CHAPTER Y
Rules Conventions GCS PRule 7 PGCS14 PChSY1 PGCS17 Guidance

SUBSIDIARY CLASSIFICATION OF METHODS OF OPERATION
(CODES Y01-Y99, O44, O48)
Includes:  OPERATIONS WITHOUT SPECIFIC SITE ANAESTHETIC METHODS
Excludes:  ANAESTHETIC WITHOUT SURGERY (Chapter X)
Note:  Codes in this chapter are not intended as primary codes

Y01 Replacement of organ NOC
 
Y01.1 Autoreplacement of organ NOC
Y01.2 Alloreplacement of organ NOC
Y01.3 Xenoreplacement of organ NOC
Y01.4 Alloreplacement of organ from cadaver heart beating NOC
Y01.5 Alloreplacement of organ from cadaver heart non-beating NOC
Y01.6 Alloreplacement of organ from cadaver NOC
Y01.8 Other specified
Y01.9 Unspecified

Y02 Placement of prosthesis in organ NOC
  Excludes:  Placement of stent in organ NOC (Y14)


Y02.1 Implantation of prosthesis into organ NOC
Y02.2 Insertion of prosthesis into organ NOC
Y02.8 Other specified
Y02.9 Unspecified

Y03 Attention to prosthesis in organ NOC
  Excludes:  Attention to stent in organ NOC (Y15)


Y03.1 Maintenance of prosthesis in organ NOC
  Includes:  Refilling of pumps NOC
Flushing of catheters NOC

Y03.2 Renewal of prosthesis in organ NOC
Y03.3 Correction of displacement of prosthesis NOC
Y03.4 Other resiting of prosthesis in organ NOC
Y03.5 Conversion to prosthesis in organ NOC
Y03.6 Adjustment to prosthesis in organ NOC
Y03.7 Removal of prosthesis from organ NOC
Y03.8 Other specified
Y03.9 Unspecified

Y04 Replantation of organ NOC
 
Y04.1 Microvascular reattachment of organ NOC
Y04.8 Other specified
Y04.9 Unspecified

Y05 Excision of organ NOC
 
Y05.1 Total excision of organ NOC
Y05.2 Partial excision of organ NOC
Y05.3 Excision of sinus track from organ NOC
  Includes:  Excision of fistula from organ NOC
Note:  Site specific chapter related code can be used only when precise identification of organ from which sinus track or fistula originates is given
This does not include skin of site of original operation otherwise X55.8 should be used

Y05.4 Ex vivo resection of organ NOC
  Includes:  Ante situm hypothermic resection of organ NOC

Y05.5 Debridement of organ NOC
Y05.6 Enucleation of organ NOC
Y05.8 Other specified
Y05.9 Unspecified

Y06 Excision of lesion of organ NOC
 
Y06.1 Marsupialisation of organ NOC
Y06.2 Deroofing of cyst of organ NOC
Y06.3 Enucleation of lesion of organ NOC
Y06.4 Excision of scar tissue NOC
Y06.5 Gamma wave excision of lesion of organ NOC
Y06.6 Vacuum excision of lesion of organ NOC
  Includes:  Vacuum assisted excision of lesion of organ NOC

Y06.7 Radiofrequency excision of lesion of organ NOC
Y06.8 Other specified
Y06.9 Unspecified

Y07 Obliteration of cavity of organ NOC
 
Y07.1 Ligation of organ NOC
Y07.2 Clipping of organ NOC
Y07.3 Obliteration of sinus track from organ NOC
  Includes:  Obliteration of fistula from organ NOC
Closure of sinus track from organ NOC
Closure of fistula from organ NOC
Note:  Site specific chapter related code can be used only when precise identification of organ from which sinus track or fistula originates is given
This does not include skin of site of original operation otherwise X55.8 should be used

Y07.4 Obliteration of diverticulum of organ NOC
Y07.5 Occlusion of organ NOC
Y07.8 Other specified
Y07.9 Unspecified

Y08 Laser therapy to organ NOC
 
Y08.1 Laser excision of organ NOC
Y08.2 Laser excision of lesion of organ NOC
Y08.3 Laser destruction of organ NOC
Y08.4 Laser destruction of lesion of organ NOC
Y08.5 Laser modification of organ NOC
Y08.6 Laser incision of organ NOC
Y08.8 Other specified
Y08.9 Unspecified

Y09 Chemical destruction of organ NOC
 
Y09.1 Injection of sclerosing substance into organ NOC
  Includes:  Sclerotherapy to organ NOC

Y09.2 Injection of other destructive substance into organ NOC
Y09.8 Other specified
Y09.9 Unspecified

Y10 Destruction of organ NOC
PRule 5

  Includes:  Destruction of tissue of organ
Note:  Principal Y11



Y10.1 Coblation of organ NOC
Y10.2 Electrocauterisation of organ NOC
PCSY1

Y10.3 Steam ablation of organ NOC
  Includes:  Thermal water vapour ablation of organ NOC

Y10.4 Vapourisation of organ NOC
Y10.8 Other specified
Y10.9 Unspecified

Y11 Other destruction of organ NOC
  Includes:  Other destruction of tissue of organ
Note:  Principal category, extended at Y10



Y11.1 Cauterisation of organ NOC
Y11.2 Cryotherapy to organ NOC
Y11.3 Curettage of organ NOC
Y11.4 Radiofrequency controlled thermal destruction of organ NOC
  Includes:  Radiofrequency ablation of organ NOC

Y11.5 Ultrasonic destruction of organ NOC
Y11.6 Microwave destruction of organ NOC
Y11.7 Gamma wave destruction of organ NOC
Y11.8 Other specified
Y11.9 Unspecified

Y12 Chemical destruction of lesion of organ NOC
 
Y12.1 Injection of sclerosing substance into lesion of organ NOC
  Includes:  Sclerotherapy to lesion of organ NOC

Y12.2 Injection of other destructive substance into lesion of organ NOC
Y12.3 Electrochemotherapy to lesion of organ NOC
PCSY14

  Includes:  Electroporation to lesion of organ NOC

Y12.8 Other specified
Y12.9 Unspecified

Y13 Other destruction of lesion of organ NOC
  Note:  Principal category, extended at Y17



Y13.1 Cauterisation of lesion of organ NOC
Y13.2 Cryotherapy to lesion of organ NOC
Y13.3 Curettage of lesion of organ NOC
Y13.4 Radiofrequency controlled thermal destruction of lesion of organ NOC
  Includes:  Radiofrequency ablation of lesion of organ NOC

Y13.5 Ultrasonic destruction of lesion of organ NOC
Y13.6 Photodynamic therapy of lesion of organ NOC
Y13.7 Microwave destruction of lesion of organ NOC
Y13.8 Other specified
Y13.9 Unspecified

Y14 Placement of stent in organ NOC
 
Y14.1 Insertion of expanding covered metal stent into organ NOC
Y14.2 Insertion of expanding metal stent into organ NOC
Y14.3 Insertion of metal stent into organ NOC
Y14.4 Insertion of plastic stent into organ NOC
Y14.5 Insertion of stent graft into organ NOC
Y14.6 Insertion of biodegradable stent into organ NOC
Y14.8 Other specified
Y14.9 Unspecified

Y15 Attention to stent in organ NOC
  Includes:  Attention to stent graft in organ NOC


Y15.1 Maintenance of stent in organ NOC
Y15.2 Renewal of stent in organ NOC
Y15.3 Correction of displacement of stent NOC
Y15.4 Other resiting of stent in organ NOC
Y15.5 Conversion to stent in organ NOC
Y15.6 Adjustment to stent in organ NOC
Y15.7 Removal of stent from organ NOC
Y15.8 Other specified
Y15.9 Unspecified

Y16 Connection of organ NOC
 
Y16.1 Exteriorisation of organ NOC
Y16.2 Anastomosis of organ NOC
Y16.3 Bypass of organ NOC
Y16.8 Other specified
Y16.9 Unspecified

Y17 Destruction of lesion of organ NOC
PRule 5

  Note:  Principal Y13



Y17.1 Electrocauterisation of lesion of organ NOC
PCSY1

Y17.2 Morcellation of lesion of organ NOC
Y17.3 Lithotripsy of lesion of organ NOC
  Excludes:  Electrohydraulic lithotripsy of lesion of organ NOC (Y17.6)

Y17.4 Vapourisation of lesion of organ NOC
Y17.5 Steam ablation of lesion of organ NOC
  Includes:  Thermal water vapour ablation of lesion of organ NOC

Y17.6 Electrohydraulic lithotripsy of lesion of organ NOC
Y17.8 Other specified
Y17.9 Unspecified

Y18 Release of organ NOC
 
Y18.1 Freeing of adhesions of organ NOC
Y18.8 Other specified
Y18.9 Unspecified

Y20 Biopsy of organ NOC
 
Y20.1 Stereotactic biopsy of lesion of organ NOC
Y20.2 Stereotactic biopsy of organ NOC
Y20.3 Biopsy of lesion of organ NOC
Y20.4 Fine needle aspiration NOC
Y20.5 Percutaneous biopsy NOC
Y20.6 Plugged biopsy NOC
Y20.7 Vacuum biopsy of lesion of organ NOC
  Includes:  Vacuum assisted biopsy of lesion of organ NOC

Y20.8 Other specified
Y20.9 Unspecified

Y21 Cytology of organ NOC
 
Y21.1 Brush cytology of organ NOC
Y21.8 Other specified
Y21.9 Unspecified

Y22 Drainage of organ NOC
 
Y22.1 Aspiration of haematoma of organ NOC
Y22.2 Aspiration of other lesion of organ NOC
Y22.3 Irrigation of organ NOC
  Includes:  Lavage of organ NOC
Washout of organ NOC

Y22.8 Other specified
Y22.9 Unspecified

Y24 Microvascular repair of organ NOC
 
Y24.1 Microvascular reconstruction of organ NOC
Y24.2 Attention to microvascular repair of organ NOC
Y24.8 Other specified
Y24.9 Unspecified

Y25 Suture of organ NOC
 
Y25.1 Suture of laceration of organ NOC
Y25.2 Resuture of organ NOC
Y25.3 Removal of retained suture from organ NOC
Y25.4 Removal of other suture from organ NOC
Y25.5 Other attention to suture of organ NOC
Y25.8 Other specified
Y25.9 Unspecified

Y26 Other repair of organ NOC
PCSY13

 
Y26.1 Reconstruction of organ NOC
Y26.2 Plastic repair of organ NOC
Y26.3 Stapling of organ NOC
Y26.4 Removal of other repair material from organ NOC
Y26.5 Other attention to repair of organ NOC
Y26.6 Partial removal of mesh from organ NOC
Y26.7 Total removal of mesh from organ NOC
Y26.8 Other specified
Y26.9 Unspecified

Y27 Graft to organ NOC
PGCS12 PCSS3

 
Y27.1 Autograft to organ NOC
Y27.2 Allograft to organ NOC
Y27.3 Xenograft to organ NOC
Y27.4 Attention to graft of organ NOC
Y27.5 Vein graft NOC
Y27.6 Prosthetic graft NOC
Y27.8 Other specified
Y27.9 Unspecified

Y28 Insertion of other material into organ NOC
PCSY13

 
Y28.1 Insertion of synthetic mesh into organ NOC
Y28.2 Insertion of biological mesh into organ NOC
Y28.3 Insertion of composite mesh into organ NOC
Y28.4 Insertion of mesh into organ NOC
Y28.8 Other specified
Y28.9 Unspecified

Y29 Removal of foreign body from organ NOC
 
Y29.1 Surgical removal of foreign body from organ NOC
Y29.2 Manipulative removal of foreign body from organ NOC
Y29.8 Other specified
Y29.9 Unspecified

Y30 Incision of organ NOC
 
Y30.1 Incision of lesion of organ NOC
Y30.8 Other specified
Y30.9 Unspecified

Y31 Exploration of organ NOC
 
Y31.1 Exploration of sinus track from organ NOC
  Includes:  Exploration of fistula from organ NOC
Note:  Site specific chapter related code can be used only when precise identification of organ from which sinus track or fistula originates is given
This does not include skin of site of original operation otherwise X55.8 should be used

Y31.8 Other specified
Y31.9 Unspecified

Y32 Re-exploration of organ NOC
 
Y32.1 Re-exploration of organ and surgical arrest of postoperative bleeding NOC
Y32.2 Re-exploration of organ and other repair of organ NOC
  Includes:  Re-exploration of organ and resuture of organ NOC

Y32.3 Re-exploration of organ and packing of organ NOC
Y32.8 Other specified
Y32.9 Unspecified

Y33 Puncture of organ NOC
 
Y33.1 Acupuncture of organ NOC
Y33.2 Drilling of organ NOC
Y33.8 Other specified
Y33.9 Unspecified

Y35 Introduction of removable radioactive material into organ NOC
PCSX20

 
Y35.1 Introduction of radioactive caesium into organ NOC
Y35.2 Introduction of iridium wire into organ NOC
Y35.3 Introduction of radium into organ NOC
Y35.4 Introduction of radioactive substance into organ for brachytherapy NOC
Y35.5 Insertion of radioactive marker into organ NOC
  Includes:  Insertion of radioactive marker for localisation of lesion

Y35.8 Other specified
Y35.9 Unspecified

Y36 Introduction of non-removable material into organ NOC
PCSX20

 
Y36.1 Introduction of gold seeds into organ NOC
Y36.2 Introduction of therapeutic implant into organ NOC
Y36.3 Radioactive seed implantation NOC
Y36.4 Introduction of non-removable radioactive substance into organ for brachytherapy NOC
Y36.5 Introduction of biological scaffold into organ NOC
PCSW8

  Includes:  Introduction of acellular dermal matrix into organ NOC
Introduction of biological conduit into organ NOC

Y36.6 Introduction of synthetic scaffold into organ NOC
PCSW8

  Includes:  Introduction of synthetic conduit into organ NOC

Y36.7 Introduction of other scaffold into organ NOC
PCSW8

  Includes:  Introduction of other conduit into organ NOC

Y36.8 Other specified
PCSY2

Y36.9 Unspecified

Y37 Introduction of other substance into organ NOC
 
Y37.1 Introduction of photodynamic substance into organ NOC
PCSM5

  Includes:  Instillation of photodynamic substance into organ NOC

Y37.2 Introduction of substance into organ using drug-eluting balloon NOC
PCSK2 PCSK3 PCSK4 PCSK9 PChSL3 PCSY15

Y37.3 Insertion of wire marker into organ NOC
  Includes:  Insertion of wire for localisation of lesion
Excludes:  Introduction of iridium wire into organ NOC (Y35.2)

Y37.4 Insertion of marker into organ NOC
  Includes:  Insertion of marker for localisation of lesion

Y37.8 Other specified
Y37.9 Unspecified

Y38 Injection of therapeutic substance into organ NOC
 
Y38.1 Continuous injection of therapeutic substance into organ NOC
Y38.8 Other specified
Y38.9 Unspecified

Y39 Injection of other substance into organ NOC
 
Y39.1 Injection of radiocontrast substance into sinus track from organ NOC
  Includes:  Injection of radiocontrast substance into fistula from organ NOC
Fistulogram NOC
Sinogram NOC
Note:  Site specific chapter related code can be used only when precise identification of organ from which sinus track or fistula originates is given
This does not include skin of site of original operation otherwise X55.8 should be used

Y39.2 Other injection of radiocontrast substance into organ NOC
Y39.3 Injection of inert substance into organ NOC
Y39.4 Lipofilling injection into organ NOC
PCSY3

Y39.5 Tattooing of organ NOC
PCSY4

  Includes:  Tattooing of lesion of organ

Y39.8 Other specified
Y39.9 Unspecified

Y40 Dilation of organ NOC
 
Y40.1 Dilation of stricture of organ NOC
Y40.2 Stretching of organ NOC
Y40.3 Balloon dilation of organ NOC
Y40.8 Other specified
Y40.9 Unspecified

Y41 Examination of organ NOC
 
Y41.1 Examination of organ under anaesthetic NOC
Y41.2 Endoscopic ultrasound staging examination of organ NOC
PCSY5

Y41.3 Endoscopic ultrasound examination of organ NOC
Y41.8 Other specified
Y41.9 Unspecified

Y42 Manipulation of organ NOC
 
Y42.1 External manipulation of organ NOC
Y42.8 Other specified
Y42.9 Unspecified

Y44 Other methods of operation on organ NOC
 
Y44.1 Evacuation of contents of organ NOC
Y44.2 Monitoring of pressure in organ NOC
Y44.3 Temporary occlusion of organ NOC
PGCS19

  Includes:  Temporary occlusion of vessel NOC

Y44.4 Removal of calculus from organ NOC
Y44.8 Other specified
Y44.9 Unspecified

Y45 Approach to organ under other control
PCSY6

  Excludes:  Approach to organ under image control (Y53)


Y45.1 Approach to organ under electromyography control
Y45.2 Approach to organ under robotic control NEC
  Excludes:  Robotic assisted minimal access approach (Y74.3, Y75.3, Y76.5)

Y45.3 Approach to organ under seed marker guided control
Y45.8 Other specified
Y45.9 Unspecified

Y46 Open approach to contents of cranium
PCSY6

 
Y46.1 Trans-sphenoidal open approach to contents of cranium
Y46.2 Frontal open approach to contents of cranium
Y46.3 Transoral open approach to contents of cranium
Y46.4 Transmastoid open approach to contents of cranium
Y46.5 Supratentorial open approach to contents of cranium
Y46.6 Infratentorial open approach to contents of cranium
Y46.7 Craniectomy approach to contents of cranium
Y46.8 Other specified
Y46.9 Unspecified

Y47 Burrhole approach to contents of cranium
PCSY6

 
Y47.1 Trans-sphenoidal burrhole approach to contents of cranium
Y47.2 Frontal burrhole approach to contents of cranium
Y47.3 Transoral burrhole approach to contents of cranium
Y47.4 Transmastoid burrhole approach to contents of cranium
Y47.5 Supratentorial burrhole approach to contents of cranium
Y47.6 Infratentorial burrhole approach to contents of cranium
Y47.8 Other specified
Y47.9 Unspecified

Y48 Approach to spine through back
PCSY6

 
Y48.1 Laminectomy approach to cervical spine
Y48.2 Laminectomy approach to thoracic spine
Y48.3 Laminectomy approach to lumbar spine
Y48.4 Pre-sacral paracoccygeal approach to spine
Y48.8 Other specified
Y48.9 Unspecified
  Includes:  Laminectomy approach to spine NEC


Y49 Approach through thoracic cavity
PCSY6

  Excludes:  Minimal access to thoracic cavity (Y74)


Y49.1 Median sternotomy approach
Y49.2 Transthoracic approach to spine
Y49.3 Thoracotomy approach NEC
Y49.4 Transapical approach to heart
  Includes:  Transventricular approach to heart

Y49.8 Other specified
Y49.9 Unspecified

Y50 Approach through abdominal cavity
PCSY6

  Excludes:  Minimal access to abdominal cavity (Y75)


Y50.1 Transperitoneal approach to spine
Y50.2 Laparotomy approach NEC
Y50.3 Vaginal approach
Y50.8 Other specified
Y50.9 Unspecified

Y51 Approach to organ through artificial opening into gastrointestinal tract
PCSY6

 
Y51.1 Approach to organ through oesophagostomy
Y51.2 Approach to organ through gastrostomy
Y51.3 Approach to organ through ileostomy
Y51.4 Approach to organ through colostomy
Y51.5 Approach to organ through appendicostomy
Y51.8 Other specified
Y51.9 Unspecified

Y52 Approach to organ through other opening
PCSY6

  Excludes:  Minimal access approach to other body cavity (Y76)


Y52.1 Approach to organ through tracheostomy
Y52.2 Approach to organ through urethrostomy
Y52.3 Approach to organ through cystostomy
Y52.4 Peranal transrectal approach to organ
Y52.8 Other specified
Y52.9 Unspecified

Y53 Approach to organ under image control
PCSY7 PCSY11

  Includes:  Percutaneous approach to organ under image control
Excludes:  Arteriotomy approach to organ under image control (Y78)
Note:  Principal category, extended at Y68



Y53.1 Approach to organ under radiological control
Y53.2 Approach to organ under ultrasonic control
  Excludes:  Laparoscopic ultrasonic approach to abdominal cavity (Y75.5)
Endoscopic ultrasonic approach to other body cavity (Y76.4)

Y53.3 Approach to organ under computed tomography scan control
  Includes:  Approach to organ under stereotactic control

Y53.4 Approach to organ under fluoroscopic control
Y53.5 Approach to organ under image intensifier
Y53.6 Approach to organ under video control
  Excludes:  Thoracoscopic video-assisted approach to thoracic cavity (Y74.4)

Y53.7 Approach to organ under magnetic resonance imaging control
Y53.8 Other specified
Y53.9 Unspecified

Y54 Harvest of nerve
PGCS12 PCSS3

 
Y54.1 Harvest of sural nerve
Y54.2 Harvest of nerve of head
  Includes:  Harvest of nerve of neck

Y54.3 Harvest of peripheral nerve NEC
Y54.4 Harvest of multiple nerves
Y54.8 Other specified
Y54.9 Unspecified

Y55 Harvest of random pattern flap of skin from limb
PGCS12 PChSS2 PCSS3 PCSX12

 
Y55.1 Harvest of random pattern flap of skin from hand
Y55.2 Harvest of random pattern flap of skin from upper arm
Y55.3 Harvest of random pattern flap of skin from arm NEC
Y55.4 Harvest of random pattern flap of skin from foot
Y55.5 Harvest of random pattern flap of skin from thigh
Y55.6 Harvest of random pattern flap of skin from leg NEC
Y55.8 Other specified
Y55.9 Unspecified

Y56 Harvest of random pattern flap of skin from other site
PGCS12 PChSS2 PCSS3 PCSX12

 
Y56.1 Harvest of random pattern flap of skin from head
  Includes:  Harvest of random pattern flap of skin from neck

Y56.2 Harvest of random pattern flap of skin from back
Y56.3 Harvest of random pattern flap of skin from chest
Y56.4 Harvest of random pattern flap of skin from abdomen
Y56.8 Other specified
Y56.9 Unspecified

Y57 Harvest of axial pattern flap of skin
PGCS12 PChSS2 PCSS3 PCSX12

 
Y57.1 Harvest of axial pattern flap of skin from forehead
Y57.2 Harvest of axial pattern cross lip flap of skin
Y57.3 Harvest of axial pattern flap of skin from scapular region
Y57.4 Harvest of axial pattern flap of skin from deltopectoral region
Y57.5 Harvest of axial pattern flap of skin from inferior epigastric region
Y57.6 Harvest of axial pattern flap of skin from groin
Y57.8 Other specified
Y57.9 Unspecified

Y58 Harvest of skin for graft
PGCS12 PCSS3 PCSX12

 
Y58.1 Harvest of full thickness skin from post auricular region
Y58.8 Other specified
Y58.9 Unspecified

Y59 Harvest of flap of skin and fascia
PGCS12 PChSS2 PCSS3 PCSX12

 
Y59.1 Harvest of temporalis flap of skin and fascia
Y59.2 Harvest of radial artery flap of skin and fascia
Y59.3 Harvest of ulnar artery flap of skin and fascia
Y59.4 Harvest of lateral arm flap of skin and fascia
Y59.5 Harvest of posterior interosseous flap of skin and fascia
Y59.6 Harvest of lower leg flap of skin and fascia
Y59.8 Other specified
Y59.9 Unspecified

Y60 Other harvest of fascia
PGCS12 PCSS3

 
Y60.1 Harvest of sheet of fascia from fascia lata
Y60.2 Harvest of fascia from fascia lata NEC
Y60.3 Harvest of sheet of fascia from abdominal wall
Y60.4 Harvest of fascia from abdominal wall NEC
Y60.5 Harvest of sheet of fascia from pleural cavity
Y60.8 Other specified
Y60.9 Unspecified

Y61 Harvest of flap of skin and muscle of trunk
PGCS12 PChSS2 PCSS3 PCSX12

 
Y61.1 Harvest of flap of skin and trapezius muscle
Y61.2 Harvest of flap of skin and pectoralis major muscle
Y61.3 Harvest of flap of skin and latissimus dorsi muscle
Y61.4 Harvest of flap of skin and gluteus maximus muscle
Y61.5 Harvest of flap of skin and rectus abdominis muscle
Y61.8 Other specified
Y61.9 Unspecified

Y62 Harvest of flap of skin and muscle of other site
PGCS12 PChSS2 PCSS3 PCSX12

 
Y62.1 Harvest of flap of skin and sternomastoid muscle
Y62.2 Harvest of flap of skin and tensor fasciae latae muscle
Y62.3 Harvest of flap of skin and gastrocnemius muscle
Y62.8 Other specified
Y62.9 Unspecified

Y63 Harvest of flap of muscle of trunk
PGCS12 PCSS3

 
Y63.1 Harvest of flap of latissimus dorsi muscle NEC
Y63.2 Harvest of flap of serratus anterior muscle
Y63.3 Harvest of flap of inferior epigastric muscle
Y63.8 Other specified
Y63.9 Unspecified

Y64 Harvest of flap of muscle of other site
PGCS12 PCSS3

 
Y64.1 Harvest of flap of temporalis muscle
Y64.2 Harvest of flap of gracilis muscle
Y64.3 Harvest of flap of gastrocnemius muscle NEC
Y64.4 Harvest of flap of soleus muscle
Y64.5 Harvest of flap of extensor digitorum brevis muscle
Y64.8 Other specified
Y64.9 Unspecified

Y65 Harvest of tendon
PGCS12 PCSS3

 
Y65.1 Harvest of palmaris longus tendon
Y65.2 Harvest of plantaris tendon
Y65.3 Harvest of extensor tendon of toe
Y65.8 Other specified
Y65.9 Unspecified

Y66 Harvest of bone
PGCS12 PCSS3

 
Y66.1 Harvest of bone from skull
Y66.2 Harvest of bone from rib
Y66.3 Harvest of bone from iliac crest
Y66.4 Harvest of bone from radius
Y66.5 Harvest of bone from ulna
Y66.6 Harvest of bone from fibula
Y66.7 Harvest of bone marrow
PCSX8

Y66.8 Other specified
Y66.9 Unspecified

Y67 Harvest of other multiple tissue
PGCS12 PCSS3 PCSX12

 
Y67.1 Harvest of composite of skin and cartilage from ear
  Excludes:  Harvest of cartilage from ear (Y69.2)

Y67.2 Harvest of composite of skin and fat
  Includes:  Harvest of dermis fat NEC

Y67.3 Harvest of osteochondral tissue
  Includes:  Harvest of cartilage and bone

Y67.8 Other specified
Y67.9 Unspecified

Y68 Other approach to organ under image control
PCSY7

  Includes:  Percutaneous approach to organ under image control
Excludes:  Arteriotomy approach to organ under image control (Y78)
Note:  Principal Y53



Y68.1 Approach to organ under contrast enhanced ultrasonic control
  Excludes:  Laparoscopic ultrasonic approach to abdominal cavity (Y75.5)
Endoscopic ultrasonic approach to other body cavity (Y76.4)

Y68.8 Other specified
Y68.9 Unspecified

Y69 Harvest of other tissue
PGCS12 PCSS3

 
Y69.1 Harvest of omentum
Y69.2 Harvest of cartilage from ear
Y69.3 Harvest of vein
Y69.4 Harvest of cartilage NEC
Y69.5 Harvest of buccal mucosa
Y69.8 Other specified
Y69.9 Unspecified

Y70 Early operations NOC
 
Y70.1 Emergency operations NOC
Y70.2 Immediate operations NOC
Y70.3 First stage of staged operations NOC
PGCS18

Y70.4 Primary operations NOC
Y70.5 Temporary operations
PGCS19

Y70.8 Other specified
Y70.9 Unspecified

Y71 Late operations NOC
PGCS18

  Note:  Principal category, extended at Y72



Y71.1 Subsequent stage of staged operations NOC
Y71.2 Secondary operations NOC
Y71.3 Revisional operations NOC
Y71.4 Failed minimal access approach converted to open NEC
PGCS4

Y71.5 Failed percutaneous transluminal approach converted to open
PGCS4

Y71.6 Second revisional operation NOC
Y71.7 Third or greater revisional operation NOC
PGCS18

Y71.8 Other specified
Y71.9 Unspecified

Y72 Other late operations NOC
PRule 5

  Note:  Principal Y71



Y72.1 Failed robotic minimal access approach converted to open
PGCS4

  Includes:  Failed robotic assisted minimal access approach converted to open

Y72.2 Failed video-assisted minimal access approach converted to open
PGCS4

Y72.8 Other specified
Y72.9 Unspecified

Y73 Facilitating operations NOC
  Note:  Principal category, extended at O48



Y73.1 Cardiopulmonary bypass
PCSY8

Y73.2 Extracorporeal circulation NEC
Y73.3 Ventilatory support
Y73.4 Modified ultrafiltration adjunct to cardiopulmonary bypass
PCSY8

Y73.5 Circulatory arrest
Y73.6 Intraoperative fluid monitoring
PCSY9

Y73.7 Ex utero intrapartum approach to fetus
Y73.8 Other specified
Y73.9 Unspecified

Y74 Minimal access to thoracic cavity
PCSY6 PGCS1

 
Y74.1 Thoracoscopically assisted approach to thoracic cavity
Y74.2 Thoracoscopic approach to thoracic cavity NEC
Y74.3 Robotic minimal access approach to thoracic cavity
  Includes:  Robotic assisted minimal access approach to thoracic cavity

Y74.4 Thoracoscopic video-assisted approach to thoracic cavity
  Excludes:  Approach to organ under video control NEC (Y53.6)

Y74.5 Mediastinoscopic approach to mediastinal cavity
Y74.8 Other specified
Y74.9 Unspecified
  Includes:  Minimally invasive approach to thoracic cavity NEC


Y75 Minimal access to abdominal cavity
PCSY6 PGCS1

 
Y75.1 Laparoscopically assisted approach to abdominal cavity
Y75.2 Laparoscopic approach to abdominal cavity NEC
Y75.3 Robotic minimal access approach to abdominal cavity
  Includes:  Robotic assisted minimal access approach to abdominal cavity

Y75.4 Hand assisted minimal access approach to abdominal cavity
Y75.5 Laparoscopic ultrasonic approach to abdominal cavity
  Excludes:  Approach to organ under ultrasonic control NEC (Y53.2)

Y75.8 Other specified
Y75.9 Unspecified
  Includes:  Minimally invasive approach to abdominal cavity NEC


Y76 Minimal access to other body cavity
PCSY6 PGCS1

  Includes:  Minimal access to other body area


Y76.1 Functional endoscopic sinus surgery
Y76.2 Functional endoscopic nasal surgery
PCSY6

  Includes:  Endoscopic nasal surgery
Excludes:  Endonasal endoscopic approach to other body cavity (Y76.6)

Y76.3 Endoscopic approach to other body cavity
Y76.4 Endoscopic ultrasonic approach to other body cavity
  Excludes:  Approach to organ under ultrasonic control (Y53.2)

Y76.5 Robotic assisted minimal access approach to other body cavity
  Includes:  Robotic minimal access approach to other body cavity

Y76.6 Endonasal endoscopic approach to other body cavity
  Excludes:  Functional endoscopic nasal surgery (Y76.2)

Y76.7 Arthroscopic approach to joint
Y76.8 Other specified
Y76.9 Unspecified
PChSC1

  Includes:  Minimally invasive approach to other body area NEC
Minimally invasive approach to other body cavity NEC


Y77 Other approach to organ
PCSY6 PGCS1

 
Y77.1 Approach to hip joint using surgical dislocation of hip joint
  Includes:  Approach to hip joint using osteotomy of the trochanter
Approach to hip joint using trochanteric flip
Note:  Do not code fixation of trochanter separately

Y77.2 Approach to organ through groin
Y77.8 Other specified
Y77.9 Unspecified

Y78 Arteriotomy approach to organ under image control
PCSY7

 
Y78.1 Arteriotomy approach to organ using image guidance with fluoroscopy
Y78.2 Arteriotomy approach to organ using image guidance with computed tomography
Y78.3 Arteriotomy approach to organ using image guidance with ultrasound
Y78.4 Arteriotomy approach to organ using image guidance with image intensifier
Y78.5 Arteriotomy approach to organ using image guidance with video control
Y78.6 Arteriotomy approach to organ using image guidance with magnetic resonance imaging control
Y78.8 Other specified
Y78.9 Unspecified

Y79 Approach to organ through artery
 
Y79.1 Transluminal approach to organ through subclavian artery
  Includes:  Transluminal approach to organ through axillary artery

Y79.2 Transluminal approach to organ through brachial artery
Y79.3 Transluminal approach to organ through femoral artery
Y79.4 Transluminal approach to organ through aortic artery
Y79.5 Transluminal approach to organ through radial artery
Y79.8 Other specified
Y79.9 Unspecified

ANAESTHETICS

Y80 General anaesthetic
PCSY10 PCSX20 PCSX17

 
Y80.1 Inhalation anaesthetic using muscle relaxant
Y80.2 Inhalation anaesthetic using endotracheal intubation NEC
Y80.3 Inhalation anaesthetic NEC
Y80.4 Intravenous anaesthetic NEC
Y80.5 Rapid sequence induction of anaesthetic
Y80.8 Other specified
Y80.9 Unspecified

Y81 Spinal anaesthetic
PCSY10 PCSX17

 
Y81.1 Epidural anaesthetic using lumbar approach
  Includes:  Epidural anaesthetic NEC

Y81.2 Epidural anaesthetic using sacral approach
Y81.8 Other specified
Y81.9 Unspecified

Y82 Local anaesthetic
PCSY10 PCSX17

  Excludes:  Local anaesthetics for ophthalmology procedures (C90)


Y82.1 Local anaesthetic nerve block
  Excludes:  Destructive nerve block (Chapter A)

Y82.2 Injection of local anaesthetic NEC
Y82.3 Application of local anaesthetic NEC
Y82.8 Other specified
Y82.9 Unspecified

Y84 Other anaesthetic
PCSY10 PCSX17

 
Y84.1 Gas and air analgesia in labour
Y84.2 Sedation NEC
Y84.3 Intravenous sedation
Y84.4 Inhalation sedation
Y84.8 Other specified
Y84.9 Unspecified

Y89 Brachytherapy
PCSX20

 
Y89.1 High dose rate brachytherapy treatment
Y89.2 Pulsed dose rate brachytherapy treatment
Y89.8 Other specified
Y89.9 Unspecified

Y91 External beam radiotherapy
PCSX20

  Note:  Principal category, extended at O44



Y91.1 Megavoltage treatment for complex radiotherapy
Y91.2 Megavoltage treatment for simple radiotherapy
Y91.3 Superficial or orthovoltage treatment for radiotherapy
Y91.4 Megavoltage treatment for adaptive radiotherapy
Y91.5 Megavoltage treatment for hypofractionated stereotactic radiotherapy
Y91.6 Intraoperative electron beam radiotherapy
Y91.7 Electron beam radiotherapy NEC
Y91.8 Other specified
Y91.9 Unspecified

Y92 Support for preparation for radiotherapy
PCSX20

 
Y92.1 Technical support for preparation for radiotherapy
Y92.8 Other specified
Y92.9 Unspecified

Y93 Gallium-67 imaging
PCSU3

 
Y93.1 Gallium-67 imaging scan
Y93.8 Other specified
Y93.9 Unspecified

Y94 Radiopharmaceutical imaging
PCSU3

  Excludes:  Gallium-67 imaging (Y93)


Y94.1 Dopamine transporter scan
Y94.2 Octreotide imaging
Y94.3 Metaiodobenzylguanidine imaging
Y94.4 Diethylenetriamine pentacetic acid imaging
Y94.8 Other specified
Y94.9 Unspecified

Y95 Gestational age
PCSY11

 
Y95.1 Over 20 weeks gestational age
Y95.2 From 14 weeks to 20 weeks gestational age
Y95.3 From 9 weeks to < 14 weeks gestational age
Y95.4 Under 9 weeks gestational age
Y95.8 Other specified
Y95.9 Unspecified

Y96 In vitro fertilisation
PCSQ3

 
Y96.1 In vitro fertilisation with donor sperm
Y96.2 In vitro fertilisation with donor eggs
Y96.3 In vitro fertilisation with intracytoplasmic sperm injection
Y96.4 In vitro fertilisation with intracytoplasmic sperm injection and donor egg
Y96.5 In vitro fertilisation with pre-implantation for genetic diagnosis
Y96.6 In vitro fertilisation with surrogacy
Y96.8 Other specified
Y96.9 Unspecified

Y97 Radiology with contrast
PCSU2

 
Y97.1 Radiology with pre and post contrast
Y97.2 Radiology with pre contrast
Y97.3 Radiology with post contrast
Y97.8 Other specified
Y97.9 Unspecified

Y98 Radiology procedures
PCSU2

 
Y98.1 Radiology of one body area (or < 20 minutes)
Y98.2 Radiology of two body areas
Y98.3 Radiology of three body areas (or 20-40 minutes)
Y98.4 Radiology of four body areas
Y98.5 Radiology of > 4 body areas (or > 40 minutes)
Y98.6 Mobile and or intraoperative procedures of any/all body areas
Y98.7 Extensive patient repositioning to obtain required image series
Y98.8 Other specified
Y98.9 Unspecified

Y99 Donor status
PCSY12

 
Y99.1 Cadaveric donor
Y99.2 Live related donor NEC
Y99.3 Live unrelated donor
Y99.4 ABO incompatible donor
Y99.5 Live matched related donor
Y99.6 Live unmatched related donor
PCSE5

Y99.8 Other specified
Y99.9 Unspecified

O44 Other external beam radiotherapy
PCSX20 PRule 5

  Note:  Principal Y91



O44.1 Proton radiotherapy
O44.8 Other specified
O44.9 Unspecified

O48 Other facilitating operations NOC
PCSE5 PRule 5

  Note:  Principal Y73



O48.1 Prone positioning of patient
  Note:  Use as a supplementary code when associated with ventilation support (E85) or high flow nasal oxygen therapy (X52.2)

O48.8 Other specified
O48.9 Unspecified

NON-OPERATIONS

Within OPCS-4 more specific terms are available within the main chapters therefore the codes below should not be used

Y90 Other non-operations
 
Y90.1 Application of transcutaneous electrical nerve stimulator
Y90.2 Radiotherapy NEC
Y90.3 Scanning NEC
Y90.4 Barium meal
Y90.5 Barium enema NEC
Y90.8 Other specified
Y90.9 Unspecified

CHAPTER Z
Rules Conventions GCS PRule 7 PChSZ1 PGCS10 PGCS14

SUBSIDIARY CLASSIFICATION OF SITES OF OPERATION
(CODES Z01-Z99, O11-O14, O16, O28, O30-O31, O33-O34, O36, O42-O43, O45-O47, O50, O52-O53)
Note:  Codes in this chapter are not intended as primary codes

Z01 Tissue of brain
  Note:  Principal category, extended at O46



Z01.1 Tissue of frontal lobe of brain
Z01.2 Tissue of temporal lobe of brain
Z01.3 Tissue of parietal lobe of brain
Z01.4 Tissue of occipital lobe of brain
Z01.5 Tissue of cerebellum
Z01.6 Tissue of brain stem NEC
Z01.7 Cingulate gyrus
Z01.8 Specified tissue of brain NEC
Z01.9 Tissue of brain NEC

Z02 Ventricle of brain
 
Z02.1 Lateral ventricle of brain
Z02.2 Third ventricle of brain
Z02.3 Fourth ventricle of brain
Z02.4 Fifth ventricle of brain
Z02.8 Specified ventricle of brain NEC
Z02.9 Ventricle of brain NEC

Z03 Upper cranial nerve
 
Z03.1 Olfactory nerve (i)
Z03.2 Optic nerve (ii)
  Includes:  Optic chiasm

Z03.3 Oculomotor nerve (iii)
Z03.4 Trochlear nerve (iv)
Z03.5 Trigeminal nerve (v)
Z03.6 Abducens nerve (vi)
Z03.8 Specified upper cranial nerve NEC
Z03.9 Upper cranial nerve NEC

Z04 Other cranial nerve
 
Z04.1 Facial nerve (vii)
Z04.2 Acoustic nerve (viii)
Z04.3 Glossopharyngeal nerve (ix)
Z04.4 Vagus nerve (x)
Z04.5 Accessory nerve (xi)
Z04.6 Hypoglossal nerve (xii)
Z04.7 Lower cranial nerve NEC
Z04.8 Specified cranial nerve NEC
Z04.9 Cranial nerve NEC

Z05 Meninges of brain
 
Z05.1 Suprasellar meninges of brain
Z05.2 Meninges of middle fossa
Z05.3 Meninges of cerebellopontine angle
Z05.4 Meninges of clivus
Z05.5 Meninges of foramen magnum
Z05.6 Intraventricular meninges of brain
Z05.7 Meninges surrounding optic nerve
Z05.8 Specified meninges of brain NEC
Z05.9 Meninges of brain NEC

Z06 Spinal cord
 
Z06.1 Cervical spinal cord
Z06.2 Thoracic spinal cord
Z06.3 Lumbar spinal cord
Z06.4 Meninges of spinal cord
Z06.5 Cerebrospinal fluid
Z06.8 Specified spinal cord NEC
Z06.9 Spinal cord NEC

Z07 Spinal nerve root
 
Z07.1 Spinal nerve root of cervical spine
Z07.2 Spinal nerve root of thoracic spine
Z07.3 Spinal nerve root of lumbar spine
Z07.4 Spinal nerve root of sacral spine
Z07.8 Specified spinal nerve root NEC
Z07.9 Spinal nerve root NEC

Z08 Brachial plexus
 
Z08.1 Medial cord of brachial plexus
Z08.2 Lateral cord of brachial plexus
Z08.3 Posterior cord of brachial plexus
Z08.8 Specified brachial plexus NEC
Z08.9 Brachial plexus NEC

Z09 Peripheral nerve of arm
 
Z09.1 Circumflex nerve
Z09.2 Median nerve
Z09.3 Radial nerve
Z09.4 Ulnar nerve
Z09.5 Posterior interosseous nerve
Z09.6 Anterior interosseous nerve
Z09.7 Digital nerve of finger
Z09.8 Specified peripheral nerve of arm NEC
Z09.9 Peripheral nerve of arm NEC

Z10 Lumbar plexus
 
Z10.1 Femoral nerve
Z10.2 Obturator nerve
Z10.3 Lateral cutaneous nerve of thigh
Z10.4 Ilioinguinal nerve
Z10.5 Iliohypogastric nerve
Z10.8 Specified lumbar plexus NEC
Z10.9 Lumbar plexus NEC

Z11 Sacral plexus
 
Z11.1 Sciatic nerve
Z11.2 Sacral nerve
Z11.3 Pudendal nerve
Z11.8 Specified sacral plexus NEC
Z11.9 Sacral plexus NEC

Z12 Other nerve
  Note:  Principal category, extended at O52



Z12.1 Popliteal nerve
Z12.2 Posterior tibial nerve
Z12.3 Sural nerve
Z12.4 Plantar nerve
Z12.5 Digital nerve of toe
Z12.6 Peripheral nerve of leg NEC
Z12.7 Sympathetic nerve
Z12.8 Specified other nerve NEC
Z12.9 Other nerve NEC
  Includes:  Peripheral nerve NEC


Z13 Endocrine gland of neck
 
Z13.1 Thyroid gland
Z13.2 Aberrant thyroid tissue
Z13.3 Thyroglossal cyst
Z13.4 Thyroglossal tract
Z13.5 Parathyroid gland
Z13.8 Specified endocrine gland of neck NEC
Z13.9 Endocrine gland of neck NEC

Z14 Other endocrine gland
 
Z14.1 Pituitary gland
Z14.2 Pineal gland
Z14.3 Thymus gland
Z14.4 Adrenal gland
Z14.5 Aberrant adrenal tissue
Z14.8 Specified endocrine gland NEC
Z14.9 Endocrine gland NEC

Z15 Breast
 
Z15.1 Upper inner quadrant of breast
Z15.2 Upper outer quadrant of breast
Z15.3 Lower inner quadrant of breast
Z15.4 Lower outer quadrant of breast
Z15.5 Axillary tail of breast
Z15.6 Nipple
  Includes:  Skin of nipple

Z15.7 Areola
  Includes:  Skin of areola

Z15.8 Specified breast NEC
Z15.9 Breast NEC

Z16 External structure of eye
 
Z16.1 Orbit
Z16.2 Eyebrow
  Includes:  Skin of eyebrow

Z16.3 Canthus
Z16.4 Eyelid
  Includes:  Skin of eyelid

Z16.5 Lacrimal gland
Z16.6 Lacrimal sac
Z16.7 Lacrimal apparatus
  Includes:  Lacrimal duct NEC

Z16.8 Specified external structure of eye NEC
Z16.9 External structure of eye NEC

Z17 Muscle of eye
  Includes:  Tendon of muscle of eye


Z17.1 Medial rectus muscle of eye
Z17.2 Lateral rectus muscle of eye
Z17.3 Superior rectus muscle of eye
Z17.4 Inferior rectus muscle of eye
Z17.5 Superior oblique muscle of eye
Z17.6 Inferior oblique muscle of eye
Z17.7 Combinations of muscles of eye
Z17.8 Specified muscle of eye NEC
Z17.9 Muscle of eye NEC

Z18 Anterior chamber of eye
 
Z18.1 Conjunctiva
Z18.2 Cornea
Z18.3 Sclera
Z18.4 Iris
Z18.8 Specified anterior chamber of eye NEC
Z18.9 Anterior chamber of eye NEC

Z19 Other part of eye
 
Z19.1 Lens
Z19.2 Vitreous body
Z19.3 Retina
Z19.4 Choroid
Z19.8 Specified part of eye NEC
Z19.9 Eye NEC

Z20 Outer ear
 
Z20.1 External ear
  Includes:  Skin of external ear

Z20.2 External auditory canal
Z20.3 Mastoid
  Includes:  Attic

Z20.4 Eardrum
Z20.8 Specified outer ear NEC
Z20.9 Outer ear NEC

Z21 Other part of ear
 
Z21.1 Ossicle of ear
Z21.2 Middle ear
Z21.3 Eustachian canal
Z21.4 Cochlea
Z21.5 Vestibular apparatus
Z21.6 Inner ear
Z21.8 Specified part of ear NEC
Z21.9 Ear NEC

Z22 Nose
 
Z22.1 External nose
  Includes:  Skin of external nose

Z22.2 Septum of nose
Z22.3 Turbinate of nose
Z22.4 Internal nose
Z22.5 Adenoid
Z22.6 Nasopharynx
  Includes:  Postnasal space

Z22.8 Specified nose NEC
Z22.9 Nose NEC

Z23 Nasal sinus
 
Z23.1 Maxillary antrum
Z23.2 Frontal sinus
Z23.3 Ethmoid sinus
Z23.4 Sphenoid sinus
Z23.8 Specified nasal sinus NEC
Z23.9 Nasal sinus NEC

Z24 Other respiratory tract
  Note:  Principal category, extended at Z88



Z24.1 Pharynx
  Excludes:  Nasopharynx (Z22.6)

Z24.2 Larynx
Z24.3 Trachea
Z24.4 Carina
Z24.5 Bronchus
Z24.6 Lung
Z24.7 Mediastinum
Z24.8 Specified other respiratory tract NEC
Z24.9 Other respiratory tract NEC

Z25 Mouth
  Note:  Principal category, extended at O36



Z25.1 Lip
  Includes:  Skin of lip

Z25.2 Wisdom tooth
Z25.3 Tooth NEC
Z25.4 Gingiva
Z25.5 Tongue
Z25.6 Palate
Z25.7 Tonsil
  Includes:  Peritonsillar region

Z25.8 Specified mouth NEC
Z25.9 Mouth NEC

Z26 Salivary apparatus
 
Z26.1 Parotid gland
Z26.2 Submandibular gland
Z26.3 Sublingual gland
Z26.4 Salivary gland
Z26.5 Parotid duct
Z26.6 Submandibular duct
Z26.7 Salivary duct
Z26.8 Specified salivary apparatus NEC
Z26.9 Salivary apparatus NEC

Z27 Upper digestive tract
  Note:  Principal category, extended at O11



Z27.1 Oesophagus
Z27.2 Stomach
Z27.3 Pylorus
Z27.4 Duodenum
Z27.5 Jejunum
Z27.6 Ileum
Z27.7 Small intestine
Z27.8 Specified upper digestive tract NEC
Z27.9 Upper digestive tract NEC

Z28 Large intestine
  Note:  Principal category, extended at O30



Z28.1 Appendix
Z28.2 Caecum
Z28.3 Ascending colon
Z28.4 Transverse colon
Z28.5 Descending colon
Z28.6 Sigmoid colon
Z28.7 Colon NEC
Z28.8 Specified large intestine NEC
Z28.9 Large intestine NEC

Z29 Other part of bowel
 
Z29.1 Rectum
Z29.2 Anus
Z29.3 Perianal tissue
Z29.4 Colorectal
  Includes:  Rectosigmoid

Z29.8 Specified part of bowel NEC
Z29.9 Bowel NEC

Z30 Biliary tract
  Note:  Principal category, extended at O34



Z30.1 Liver NEC
Z30.2 Gall bladder
Z30.3 Common bile duct
Z30.4 Bile duct NEC
  Includes:  Hepatic duct

Z30.5 Sphincter of Oddi
Z30.6 Papilla of Vater
Z30.7 Ampulla of Vater
Z30.8 Specified biliary tract NEC
Z30.9 Biliary tract NEC

Z31 Other abdominal organ
 
Z31.1 Pancreas
Z31.2 Pancreatic duct
Z31.3 Spleen
Z31.8 Specified abdominal organ NEC
Z31.9 Abdominal organ NEC

Z32 Valve of heart
 
Z32.1 Mitral valve
Z32.2 Aortic valve
Z32.3 Tricuspid valve
Z32.4 Pulmonary valve
Z32.5 Truncal valve
Z32.8 Specified valve of heart NEC
Z32.9 Valve of heart NEC

Z33 Other part of heart
  Note:  Principal category, extended at O43



Z33.1 Septum of atrium
Z33.2 Septum of ventricle of heart
Z33.3 Wall of heart
Z33.4 Coronary artery
Z33.5 Pericardium
Z33.6 Atrium of heart
Z33.7 Ventricle of heart
Z33.8 Specified other part of heart NEC
Z33.9 Heart NEC

Z34 Aorta
  Note:  Principal category, extended at O45



Z34.1 Ascending aorta
Z34.2 Aortic arch
Z34.3 Descending thoracic aorta
Z34.4 Thoracic aorta NEC
Z34.5 Suprarenal abdominal aorta
Z34.6 Infrarenal abdominal aorta
Z34.7 Abdominal aorta NEC
Z34.8 Specified aorta NEC
Z34.9 Aorta NEC

Z35 Cerebral artery
  Note:  Principal category, extended at O28



Z35.1 Anterior cerebral artery
Z35.2 Ophthalmic artery
Z35.3 Anterior communicating artery
Z35.4 Middle cerebral artery
Z35.5 Posterior cerebral artery
Z35.6 Posterior communicating artery
Z35.7 Artery of circle of Willis
Z35.8 Specified cerebral artery NEC
Z35.9 Cerebral artery NEC

Z36 Branch of thoracic aorta
  Note:  Principal category, extended at Z95



Z36.1 Carotid artery NEC
  Excludes:  Specified carotid artery (Z95)

Z36.2 Subclavian artery
Z36.3 Axillary artery
Z36.4 Brachial artery
Z36.5 Vertebral artery
Z36.6 Internal mammary artery
Z36.7 Brachiocephalic artery
  Includes:  Innominate artery

Z36.8 Specified branch of thoracic aorta NEC
Z36.9 Branch of thoracic aorta NEC

Z37 Lateral branch of abdominal aorta
  Note:  Principal category, extended at Z96



Z37.1 Renal artery
Z37.2 Coeliac artery
Z37.3 Superior mesenteric artery
Z37.4 Inferior mesenteric artery
Z37.5 Suprarenal artery
Z37.6 Hepatic artery
Z37.7 Splenic artery
Z37.8 Specified lateral branch of abdominal aorta NEC
Z37.9 Lateral branch of abdominal aorta NEC

Z38 Terminal branch of aorta
  Excludes:  Bifurcation of aorta (O45.1)
Note:  Principal category, extended at Z97



Z38.1 Common iliac artery
Z38.2 Internal iliac artery
  Excludes:  Branches of internal iliac artery (Z97)

Z38.3 Common femoral artery
Z38.4 Deep femoral artery
Z38.5 Superficial femoral artery
Z38.6 Popliteal artery
Z38.7 Prostate artery
Z38.8 Specified terminal branch of aorta NEC
Z38.9 Terminal branch of aorta NEC

Z39 Vein
  SEE ALSO Z91, Z93, Z98



Z39.1 Superior vena cava
Z39.2 Inferior vena cava
Z39.3 Portal vein
Z39.4 Renal vein
Z39.5 Saphenous vein NEC
  Excludes:  Specified saphenous vein (Z98)

Z39.6 Hepatic vein
Z39.7 Adrenal vein
Z39.8 Specified vein NEC
Z39.9 Vein NEC

Z40 Other vascular tissue
 
Z40.1 Pulmonary artery
Z40.2 Pulmonary vein
Z40.3 Carotid body
Z40.4 Jugular body
Z40.5 Aortic body
Z40.6 Vascular body
Z40.7 Artery NEC
Z40.8 Specified vascular tissue NEC
Z40.9 Vascular tissue NEC

Z41 Upper urinary tract
 
Z41.1 Kidney
Z41.2 Ureteric orifice
  Includes:  Meatus of ureter

Z41.3 Ureter NEC
Z41.4 Renal pelvis NEC
Z41.8 Specified upper urinary tract NEC
Z41.9 Upper urinary tract NEC

Z42 Lower urinary tract
  Note:  Principal category, extended at O53



Z42.1 Bladder NEC
Z42.2 Prostate
Z42.3 Outlet of bladder
Z42.4 Urethral orifice
  Includes:  Meatus of urethra

Z42.5 Urethra NEC
Z42.6 Prepuce
  Includes:  Skin of prepuce

Z42.7 Penis
  Includes:  Skin of penis

Z42.8 Specified lower urinary tract NEC
Z42.9 Lower urinary tract NEC

Z43 Male genital organ
 
Z43.1 Scrotum
  Includes:  Skin of scrotum

Z43.2 Testis
Z43.3 Epididymis
Z43.4 Spermatic cord
Z43.5 Seminal vesicle
Z43.6 Male perineum
  Includes:  Skin of male perineum

Z43.8 Specified male genital organ NEC
Z43.9 Male genital organ NEC

Z44 Vagina
 
Z44.1 Clitoris
Z44.2 Bartholin gland
  Includes:  Bartholin duct

Z44.3 Vulva
  Includes:  Skin of vulva

Z44.4 Female perineum
  Includes:  Skin of female perineum

Z44.5 Introitus of vagina
Z44.6 Pouch of Douglas
Z44.7 Labia
  Includes:  Skin of labia

Z44.8 Specified vagina NEC
Z44.9 Vagina NEC

Z45 Uterus
 
Z45.1 Cervix uteri
Z45.2 Gravid uterus
  Includes:  Delivered uterus

Z45.3 Fetus
Z45.4 Placenta
Z45.5 Amniotic membrane
Z45.8 Specified uterus NEC
Z45.9 Uterus NEC

Z46 Other female genital tract
 
Z46.1 Fimbria
Z46.2 Fallopian tube
Z46.3 Ovary
Z46.4 Broad ligament of uterus
Z46.8 Specified female genital tract NEC
Z46.9 Female genital tract NEC

Z47 Skin of face
  Includes:  Subcutaneous tissue of face
Excludes:  Eyebrow (Z16.2)
Skin of eyelid (Z16.4)
Skin of external ear (Z20.1)
Skin of external nose (Z22.1)
Lip (Z25.1)


Z47.1 Skin of forehead
Z47.2 Skin of temple
Z47.3 Skin of cheek
Z47.4 Skin of nasolabial area
Z47.5 Skin of chin
Z47.8 Specified skin of face NEC
Z47.9 Skin of face NEC

Z48 Skin of other part of head or neck
  Includes:  Subcutaneous tissue of other part of head or neck


Z48.1 Skin of scalp
Z48.2 Skin of neck
Z48.8 Skin of specified part of head NEC
Z48.9 Skin of head NEC

Z49 Skin of trunk
  Includes:  Subcutaneous tissue of trunk
Excludes:  Skin of prepuce (Z42.6)
Skin of penis (Z42.7)
Skin of scrotum (Z43.1)
Skin of male perineum (Z43.6)
Skin of vulva (Z44.3)
Skin of female perineum (Z44.4)


Z49.1 Skin of breast
  Excludes:  Nipple (Z15.6)

Z49.2 Skin of axilla
Z49.3 Skin of anterior trunk
Z49.4 Skin of back
Z49.5 Skin of buttock
Z49.6 Skin of shoulder
Z49.7 Skin of groin
Z49.8 Specified skin of trunk NEC
Z49.9 Skin of trunk NEC

Z50 Skin of other site
  Includes:  Subcutaneous tissue of other site


Z50.1 Skin of arm
Z50.2 Skin of hand
Z50.3 Skin of finger
Z50.4 Skin of leg NEC
Z50.5 Skin of foot NEC
Z50.6 Skin of toe
Z50.7 Skin of ankle
Z50.8 Skin of specified site NEC
Z50.9 Skin NEC

Z51 Nail
 
Z51.1 Nail bed
Z51.8 Specified nail NEC
Z51.9 Nail NEC

Z52 Chest wall
 
Z52.1 Pleura
Z52.2 Pleural cavity
Z52.8 Specified chest wall NEC
Z52.9 Chest wall NEC

Z53 Abdominal wall
 
Z53.1 Diaphragm
Z53.2 Umbilicus
  Includes:  Skin of umbilicus

Z53.3 Peritoneum
Z53.4 Peritoneal cavity
Z53.5 Omentum
Z53.6 Mesentery
Z53.7 Abdominal cavity
Z53.8 Specified abdominal wall NEC
Z53.9 Abdominal wall NEC

Z54 Muscle of shoulder or upper arm
  Includes:  Tendon of muscle of shoulder or upper arm


Z54.1 Deltoid
Z54.2 Rotator cuff of shoulder
Z54.3 Pectoralis
Z54.4 Biceps brachii
  Includes:  Brachial muscle NEC

Z54.5 Triceps brachii
Z54.8 Specified muscle of shoulder or upper arm NEC
Z54.9 Muscle of shoulder or upper arm NEC

Z55 Muscle of forearm
  Includes:  Tendon of muscle of forearm


Z55.1 Flexor muscle of forearm
Z55.2 Extensor muscle of forearm
Z55.3 Supinator muscle of forearm
Z55.4 Pronator muscle of forearm
Z55.5 Palmaris longus
Z55.8 Specified muscle of forearm NEC
Z55.9 Muscle of forearm NEC

Z56 Muscle of hand
  Includes:  Tendon of muscle of hand


Z56.1 Flexor pollicis longus
Z56.2 Thenar muscle
Z56.3 Flexor digitorum superficialis
Z56.4 Flexor digitorum profundus
Z56.5 Hypothenar muscle
Z56.6 Interosseous muscle of hand
  Includes:  Lumbrical muscle of hand

Z56.7 Extensor muscle of hand
Z56.8 Specified muscle of hand NEC
Z56.9 Muscle of hand NEC

Z57 Muscle of hip or thigh
  Includes:  Tendon of muscle of hip or thigh


Z57.1 Gluteus
  Includes:  Short hip rotator muscle

Z57.2 Iliopsoas
Z57.3 Quadriceps
Z57.4 Adductor muscle of thigh
  Includes:  Adductor muscle of hip

Z57.5 Tensor fasciae latae
Z57.6 Biceps femoris
Z57.7 Hamstring
Z57.8 Specified muscle of hip or thigh NEC
Z57.9 Muscle of hip or thigh NEC

Z58 Muscle of lower leg
  Includes:  Tendon of lower leg


Z58.1 Triceps surae
  Includes:  Tendo achillis

Z58.2 Peroneus
Z58.3 Tibialis posterior
Z58.4 Tibialis anterior
Z58.5 Extensor hallucis longus
Z58.6 Extensor digitorum muscle of foot
Z58.7 Infrapatellar tendon
Z58.8 Specified muscle of lower leg NEC
Z58.9 Muscle of lower leg NEC

Z59 Muscle of foot
  Includes:  Tendon of muscle of foot


Z59.1 Flexor hallucis longus
Z59.2 Flexor digitorum muscle of foot
Z59.3 Short hallux muscle
Z59.4 Short sole muscle
Z59.5 Interosseous muscle of foot
Z59.6 Lumbrical muscle of foot
Z59.8 Specified muscle of foot NEC
Z59.9 Muscle of foot NEC

Z60 Other muscle
  Includes:  Tendon of muscle NEC


Z60.1 Muscle of face
Z60.2 Muscle of neck
Z60.3 Muscle of anterior abdominal wall
Z60.4 Muscle of back
Z60.5 Muscle of chest
  Includes:  Muscle of thorax

Z60.8 Specified muscle NEC
Z60.9 Muscle NEC

Z61 Lymph node
  Note:  Principal category, extended at O14



Z61.1 Cervical lymph node
Z61.2 Scalene lymph node
Z61.3 Axillary lymph node
Z61.4 Mediastinal lymph node
Z61.5 Para-aortic lymph node
Z61.6 Inguinal lymph node
Z61.7 Retroperitoneal lymph node
Z61.8 Specified lymph node NEC
Z61.9 Lymph node NEC

Z62 Other soft tissue
 
Z62.1 Fascia
Z62.2 Lymphatic duct
Z62.3 Lymphatic tissue
Z62.4 Connective tissue
Z62.8 Specified soft tissue NEC
Z62.9 Soft tissue NEC

Z63 Bone of cranium
  Excludes:  Mastoid (Z20.3)


Z63.1 Frontal bone
Z63.2 Parietal bone
Z63.3 Temporal bone
Z63.4 Occipital bone
Z63.8 Specified bone of cranium NEC
Z63.9 Bone of cranium NEC

Z64 Bone of face
 
Z64.1 Nasoethmoid complex of bones
Z64.2 Nasal bone
Z64.3 Zygomatic complex of bones
Z64.4 Maxilla
Z64.8 Specified bone of face NEC
Z64.9 Bone of face NEC

Z65 Jaw
 
Z65.1 Mandible
Z65.2 Temporomandibular joint
Z65.8 Specified jaw NEC
Z65.9 Jaw NEC

Z66 Vertebra
 
Z66.1 Atlas
Z66.2 Axis bone
Z66.3 Cervical vertebra
Z66.4 Thoracic vertebra
Z66.5 Lumbar vertebra
Z66.8 Specified vertebra NEC
Z66.9 Vertebra NEC

Z67 Intervertebral joint
 
Z67.1 Atlanto-occipital joint
Z67.2 Atlantoaxial joint
Z67.3 Cervical intervertebral joint
Z67.4 Thoracic intervertebral joint
Z67.5 Lumbar intervertebral joint
Z67.6 Lumbosacral joint
Z67.7 Sacrococcygeal joint
Z67.8 Specified intervertebral joint NEC
Z67.9 Intervertebral joint NEC

Z68 Bone of shoulder girdle
 
Z68.1 Clavicle
Z68.2 Acromion process of scapula
Z68.3 Coracoid process of scapula
Z68.4 Glenoid cavity of scapula
Z68.5 Scapula NEC
Z68.8 Specified bone of shoulder girdle NEC
Z68.9 Bone of shoulder girdle NEC

Z69 Humerus
 
Z69.1 Head of humerus
Z69.2 Tuberosity of humerus
  Includes:  Tubercle of humerus

Z69.3 Neck of humerus
Z69.4 Mid shaft of humerus
Z69.5 Lateral condyle of humerus
Z69.6 Medial epicondyle of humerus
Z69.7 Lower end of humerus NEC
  Includes:  Articular surface of humerus at elbow

Z69.8 Specified humerus NEC
Z69.9 Humerus NEC

Z70 Radius
 
Z70.1 Head of radius
Z70.2 Neck of radius
Z70.3 Shaft of radius NEC
Z70.4 Styloid process of radius
Z70.5 Lower end of radius NEC
  Includes:  Articular surface of radius at wrist

Z70.8 Specified radius NEC
Z70.9 Radius NEC

Z71 Ulna
 
Z71.1 Olecranon process of ulna
Z71.2 Shaft of ulna NEC
Z71.3 Coronoid process of ulna
Z71.4 Head of ulna
Z71.5 Styloid process of ulna
Z71.6 Lower end of ulna NEC
Z71.8 Specified ulna NEC
Z71.9 Ulna NEC

Z72 Other bone of arm or wrist
 
Z72.1 Shafts of radius and ulna in combination
Z72.2 Scaphoid bone
Z72.3 Lunate
Z72.4 Carpal bone NEC
  Includes:  Articular surface of carpus at wrist

Z72.5 Trapezium
Z72.8 Specified bone of arm or wrist NEC
Z72.9 Bone of arm or wrist NEC

Z73 Other bone of hand
 
Z73.1 First metacarpal
Z73.2 Metacarpal NEC
Z73.3 Phalanx of thumb
Z73.4 Phalanx of finger
Z73.5 Multiple metacarpals
Z73.8 Specified bone of hand NEC
Z73.9 Bone of hand NEC

Z74 Rib cage
 
Z74.1 Manubrium sterni
Z74.2 Sternum NEC
Z74.3 First rib
Z74.4 Second to tenth rib
Z74.5 Eleventh or twelfth rib
Z74.6 Rib NEC
Z74.8 Specified rib cage NEC
Z74.9 Rib cage NEC

Z75 Bone of pelvis
 
Z75.1 Body of sacrum
Z75.2 Ala of sacrum
Z75.3 Wing of ilium
Z75.4 Ischium
Z75.5 Ramus of pubis
Z75.6 Acetabulum
Z75.7 Coccyx
Z75.8 Specified bone of pelvis NEC
Z75.9 Bone of pelvis NEC

Z76 Femur
 
Z76.1 Head of femur
Z76.2 Neck of femur
Z76.3 Trochanter of femur
Z76.4 Shaft of femur
Z76.5 Lower end of femur NEC
  Includes:  Articular surface of femur at knee NEC

Z76.6 Trochlear surface of femur
Z76.8 Specified femur NEC
Z76.9 Femur NEC

Z77 Tibia
 
Z77.1 Condyle of tibia
Z77.2 Shaft of tibia NEC
Z77.3 Medial malleolus
Z77.4 Upper end of tibia NEC
  Includes:  Articular surface of tibia at knee

Z77.5 Lower end of tibia NEC
  Includes:  Articular surface of tibia at ankle

Z77.6 Tuberosity of tibia
  Includes:  Tubercle of tibia

Z77.8 Specified tibia NEC
Z77.9 Tibia NEC

Z78 Other bone of lower leg
 
Z78.1 Shafts of tibia and fibula in combination
Z78.2 Head of fibula
Z78.3 Shaft of fibula NEC
Z78.4 Lateral malleolus
Z78.5 Lower end of fibula NEC
  Includes:  Articular surface of fibula at ankle

Z78.6 Fibula NEC
Z78.7 Patella
Z78.8 Specified bone of lower leg NEC
Z78.9 Bone of lower leg NEC

Z79 Bone of tarsus
 
Z79.1 Talus
  Includes:  Articular surface of talus at ankle

Z79.2 Os calcis
Z79.3 Navicular bone of foot
Z79.4 Cuboid bone
Z79.5 Cuneiform bone
Z79.8 Specified bone of tarsus NEC
Z79.9 Bone of tarsus NEC

Z80 Other bone of foot
 
Z80.1 First metatarsal
Z80.2 Metatarsal NEC
Z80.3 Phalanx of great toe
Z80.4 Phalanx of toe NEC
Z80.5 Multiple metatarsals
Z80.8 Specified bone of foot NEC
Z80.9 Bone of foot NEC

Z81 Joint of shoulder girdle or arm
  Note:  For operations on one bone of joint use site code for bone in preference to site code for joint (Z68-Z80)


Z81.1 Sternoclavicular joint
Z81.2 Acromioclavicular joint
Z81.3 Glenohumeral joint
Z81.4 Shoulder joint
Z81.5 Elbow joint
Z81.6 Superior radioulnar joint
Z81.7 Inferior radioulnar joint
Z81.8 Specified joint of shoulder girdle or arm NEC
Z81.9 Joint of shoulder girdle or arm NEC

Z82 Joint of wrist or hand
  Note at  Z81 applies


Z82.1 Radiocarpal joint
Z82.2 Intercarpal joint
Z82.3 Carpometacarpal joint of thumb
Z82.4 Carpometacarpal joint of finger
Z82.5 Scapholunate joint
Z82.6 Lunotriquetral joint
Z82.7 Scaphotrapeziotrapezoidal joint
Z82.8 Specified joint of wrist or hand NEC
Z82.9 Joint of wrist or hand NEC

Z83 Joint of finger
  Note at  Z81 applies


Z83.1 Metacarpophalangeal joint of thumb
Z83.2 Metacarpophalangeal joint of finger
Z83.3 Interphalangeal joint of thumb
Z83.4 Proximal interphalangeal joint of finger
Z83.5 Distal interphalangeal joint of finger
Z83.6 Interphalangeal joint of finger NEC
Z83.8 Specified joint of finger NEC
Z83.9 Joint of finger NEC

Z84 Joint of pelvis or upper leg
  Note at  Z81 applies


Z84.1 Sacroiliac joint
Z84.2 Pubic symphysis
Z84.3 Hip joint
Z84.4 Patellofemoral joint
Z84.5 Tibiofemoral joint
Z84.6 Knee joint
Z84.8 Specified joint of pelvis or upper leg NEC
Z84.9 Joint of pelvis or upper leg NEC

Z85 Joint of lower leg or tarsus
  Note at  Z81 applies


Z85.1 Upper tibiofibular joint
Z85.2 Lower tibiofibular joint
Z85.3 Talocalcaneal joint
Z85.4 Talonavicular joint
Z85.5 Calcaneocuboid joint
Z85.6 Ankle joint
Z85.7 Naviculo-cuneiform joint
  Includes:  Cuneonavicular joint

Z85.8 Specified joint of lower leg or tarsus NEC
Z85.9 Joint of lower leg or tarsus NEC

Z86 Other joint of foot
  Note at  Z81 applies
Note:  Principal category, extended at O50



Z86.1 Midtarsal joint
Z86.2 Intertarsal joint
Z86.3 Tarsometatarsal joint
Z86.4 Metatarsophalangeal joint of great toe
Z86.5 Metatarsophalangeal joint of toe NEC
Z86.6 Interphalangeal joint of toe NEC
Z86.7 Interphalangeal joint of great toe
Z86.8 Specified other joint of foot NEC
Z86.9 Other joint of foot NEC

Z87 Other part of musculoskeletal system
 
Z87.1 Bone NEC
Z87.2 Ligament of joint
Z87.3 Capsule of joint
Z87.4 Joint NEC
Z87.8 Specified part of musculoskeletal system NEC
Z87.9 Musculoskeletal system NEC

Z88 Respiratory tract
PRule 5

  Note:  Principal Z24



Z88.1 Hyoid
Z88.2 Epiglottis
Z88.3 Glottis
Z88.4 Supraglottis
Z88.5 Subglottis
Z88.8 Specified respiratory tract NEC
Z88.9 Respiratory tract NEC

Z89 Arm region
  Note:  Principal category, extended at O31
These codes should not normally be used when more specific site codes may be identified (Z01-Z87)


Z89.1 Shoulder NEC
Z89.2 Upper arm NEC
Z89.3 Forearm NEC
Z89.4 Hand NEC
Z89.5 Thumb NEC
Z89.6 Finger NEC
Z89.7 Multiple digits of hand NEC
Z89.8 Specified arm region NEC
Z89.9 Arm NEC

Z90 Leg region
  Note at  Z89 applies
Note:  Principal category, extended at O13



Z90.1 Buttock NEC
Z90.2 Hip NEC
Z90.3 Upper leg NEC
Z90.4 Lower leg NEC
Z90.5 Foot NEC
Z90.6 Great toe NEC
Z90.7 Toe NEC
Z90.8 Specified leg region NEC
Z90.9 Leg region NEC

Z91 Other vein of upper body
  SEE ALSO Z39



Z91.1 Cephalic vein
Z91.2 Brachiocephalic vein
Z91.3 Brachial vein
Z91.4 Subclavian vein
Z91.5 Axillary vein
Z91.6 Basilic vein
Z91.7 Jugular vein
  Includes:  Internal jugular vein
External jugular vein

Z91.8 Specified vein of upper body NEC
Z91.9 Vein of upper body NEC

Z92 Other region of body
  Note at  Z89 applies
Note:  Principal category, extended at O16



Z92.1 Head NEC
Z92.2 Face NEC
Z92.3 Neck NEC
Z92.4 Chest NEC
Z92.5 Back NEC
Z92.6 Abdomen NEC
Z92.7 Trunk NEC
Z92.8 Specified region of body NEC
Z92.9 Region of body NEC

Z93 Other veins of pelvis
  SEE ALSO Z39



Z93.1 Iliac vein
Z93.2 Ovarian vein
Z93.3 Testicular vein
Z93.4 Vulval vein
Z93.5 Uterine vein
Z93.8 Specified vein of pelvis NEC
Z93.9 Vein of pelvis NEC

Z94 Laterality of operation
PCSZ2

 
Z94.1 Bilateral operation
Z94.2 Right sided operation
Z94.3 Left sided operation
Z94.4 Unilateral operation
Z94.8 Specified laterality NEC
Z94.9 Laterality NEC

Z95 Other branch of thoracic aorta
PRule 5

  Note:  Principal Z36



Z95.1 Intercostal artery
Z95.2 Bronchial artery
Z95.3 Ulnar artery
Z95.4 Radial artery
Z95.5 External carotid artery
Z95.6 Common carotid artery
Z95.7 Internal carotid artery
Z95.8 Specified other branch of thoracic aorta NEC
Z95.9 Other branch of thoracic aorta NEC

Z96 Other lateral branch of abdominal aorta
PRule 5

  Note:  Principal Z37



Z96.1 Gastroduodenal artery
Z96.2 Pancreaticoduodenal artery
Z96.3 Lumbar artery
Z96.4 Ovarian artery
Z96.5 Pudendal artery
Z96.6 Uterine artery
Z96.7 Testicular artery
Z96.8 Specified other lateral branch of abdominal aorta NEC
Z96.9 Other lateral branch of abdominal aorta NEC

Z97 Other terminal branch of aorta
PRule 5

  Note:  Principal Z38



Z97.1 Anterior tibial artery
Z97.2 Posterior tibial artery
Z97.3 Peroneal artery
Z97.4 Dorsalis pedis artery
Z97.5 External iliac artery
Z97.6 Iliac artery NEC
Z97.7 Tibial artery NEC
Z97.8 Specified other terminal branch of aorta NEC
Z97.9 Other terminal branch of aorta NEC

Z98 Other veins of lower limb
  SEE ALSO Z39

Excludes:  Saphenous vein unspecified (Z39.5)


Z98.1 Common femoral vein
Z98.2 Deep femoral vein
Z98.3 Superficial femoral vein
Z98.4 Popliteal vein
Z98.5 Long saphenous vein
Z98.6 Short saphenous vein
Z98.7 Tibial vein
Z98.8 Specified vein of lower limb NEC
Z98.9 Vein of lower limb NEC

Z99 Intervertebral disc
 
Z99.1 Intervertebral disc of cervical spine
Z99.2 Intervertebral disc of thoracic spine
Z99.3 Intervertebral disc of lumbar spine
Z99.8 Specified intervertebral disc NEC
Z99.9 Intervertebral disc NEC

O11 Other upper digestive tract
PRule 5

  Note:  Principal Z27



O11.1 Gastro-oesophageal junction
O11.8 Specified other upper digestive tract NEC
O11.9 Other upper digestive tract NEC

O12 Branch of external carotid artery
  Excludes:  External carotid artery (Z95.5)


O12.1 Superficial temporal artery
O12.2 Maxillary artery
O12.8 Specified branch of external carotid artery
O12.9 Branch of external carotid artery NEC

O13 Other leg region
PRule 5

  Note at  Z89 applies
Note:  Principal Z90



O13.1 Multiple digits of foot NEC
O13.2 Knee NEC
O13.8 Specified other leg region NEC
O13.9 Other leg region NEC

O14 Other lymph node
PRule 5

  Note:  Principal Z61



O14.1 Pelvic lymph node
O14.2 Sentinel lymph node
PCST3

O14.3 Mesenteric lymph node
O14.8 Specified other lymph node NEC
O14.9 Other lymph node NEC

O16 Body region
PRule 5

  Note at  Z89 applies
Note:  Principal Z92



O16.1 Pelvis NEC
  Includes:  Groin NEC

O16.2 Spine NEC
O16.3 Axilla NEC
O16.8 Specified body region NEC
O16.9 Body region NEC

O28 Other cerebral artery
PRule 5

  Note:  Principal Z35



O28.1 Basilar artery
O28.8 Specified other cerebral artery NEC
O28.9 Other cerebral artery NEC

O30 Other large intestine
PRule 5

  Note:  Principal Z28



O30.1 Hepatic flexure
O30.2 Splenic flexure
O30.8 Specified other large intestine NEC
O30.9 Other large intestine NEC

O31 Other arm region
PRule 5

  Note at  Z89 applies
Note:  Principal Z89



O31.1 Wrist NEC
O31.8 Specified other arm region NEC
O31.9 Other arm region NEC

O33 Bone of skull
  Excludes:  Bone of cranium (Z63)
Bone of face (Z64)
Jaw (Z65)


O33.1 Skull base
O33.8 Specified bone of skull NEC
O33.9 Bone of skull NEC

O34 Other biliary tract
PRule 5

  Note:  Principal Z30



O34.1 Lobe of liver NEC
O34.2 Quadrate lobe of liver
O34.3 Caudate lobe of liver
O34.4 Porta hepatis
O34.5 Falciform ligament of liver
O34.8 Specified other biliary tract NEC
O34.9 Other biliary tract NEC

O36 Other mouth
PRule 5

  Note:  Principal Z25



O36.1 Multiple teeth NEC
O36.8 Specified other mouth NEC
O36.9 Other mouth NEC

O42 Medial branch of spinal nerve
 
O42.1 Medial branch of cervical spinal nerve
O42.2 Medial branch of thoracic spinal nerve
O42.3 Medial branch of lumbosacral spinal nerve
O42.8 Other specified
O42.9 Unspecified

O43 Part of heart
PRule 5

  Note:  Principal Z33



O43.1 Cardiac vein NEC
O43.2 Coronary sinus
O43.8 Specified part of heart NEC
O43.9 Part of heart NEC

O45 Other aorta
PRule 5

  Note:  Principal Z34



O45.1 Bifurcation of aorta
O45.2 Juxtarenal abdominal aorta
O45.8 Specified other aorta NEC
O45.9 Other aorta NEC

O46 Other tissue of brain
PRule 5

  Note:  Principal Z01



O46.1 Interbrain
  Includes:  Diencephalon
Hypothalamus
Thalamus

O46.2 Midbrain
  Includes:  Cerebral aqueduct
Cerebral peduncle
Mesencephalon
Tectal plate
Tectum

O46.8 Specified other tissue of brain NEC
O46.9 Other tissue of brain NEC

O47 Other joint structure
 
O47.1 Triangular fibrocartilage complex of wrist
O47.8 Specified other joint structure NEC
O47.9 Other joint structure NEC

O50 Joint of foot
PRule 5

  Note at  Z81 applies
Note:  Principal Z86



O50.1 Proximal interphalangeal joint of toe
O50.2 Distal interphalangeal joint of toe
O50.8 Specified joint of foot NEC
O50.9 Joint of foot NEC

O52 Nerve
PRule 5

  Note:  Principal Z12



O52.1 Intercostal nerve
O52.8 Specified nerve NEC
O52.9 Nerve NEC

O53 Other lower urinary tract
PRule 5

  Note:  Principal Z42



O53.1 Prostatic urethra
O53.2 Bulbar urethra
O53.3 Penile urethra
O53.8 Specified other lower urinary tract NEC
O53.9 Other lower urinary tract NEC