Chapter XVII
Congenital malformations, deformations and chromosomal abnormalities
(Q00-Q99)

Rules Conventions GCS Guidance

Congenital malformations and deformations of the musculoskeletal system
(Q65-Q79)

Q65 Congenital deformities of hip

Excl.:
clicking hip ( R29.4)
Q65.0 Congenital dislocation of hip, unilateral
Q65.1 Congenital dislocation of hip, bilateral
Q65.2 Congenital dislocation of hip, unspecified
Q65.3 Congenital subluxation of hip, unilateral
Q65.4 Congenital subluxation of hip, bilateral
Q65.5 Congenital subluxation of hip, unspecified
Q65.6 Unstable hip
Incl.:
Dislocatable hip
Subluxatable hip
Q65.8 Other congenital deformities of hip
Incl.:
Anteversion of femoral neck
Congenital acetabular dysplasia
Congenital coxa:
  • valga
  • vara
Q65.9 Congenital deformity of hip, unspecified

Q66 Congenital deformities of feet

Excl.:
reduction defects of feet ( Q72.-)
valgus deformities (acquired) ( M21.0)
varus deformities (acquired) ( M21.1)
Q66.0 Talipes equinovarus
Q66.1 Talipes calcaneovarus
Q66.2 Metatarsus varus
Q66.3 Other congenital varus deformities of feet
Incl.:
Hallux varus, congenital
Q66.4 Talipes calcaneovalgus
Q66.5 Congenital pes planus
Incl.:
Flat foot:
  • congenital
  • rigid
  • spastic (everted)
Q66.6 Other congenital valgus deformities of feet
Incl.:
Metatarsus valgus
Q66.7 Pes cavus
Q66.8 Other congenital deformities of feet
Incl.:
Clubfoot NOS
Hammer toe, congenital
Talipes:
  • NOS
  • asymmetric
Tarsal coalition
Vertical talus
Q66.9 Congenital deformity of feet, unspecified

Q67 Congenital musculoskeletal deformities of head, face, spine and chest

Excl.:
congenital malformation syndromes classified to Q87.-
Potter syndrome ( Q60.6)
Q67.0 Facial asymmetry
Q67.1 Compression facies
Q67.2 Dolichocephaly
Q67.3 Plagiocephaly
Q67.4 Other congenital deformities of skull, face and jaw
Incl.:
Depressions in skull
Deviation of nasal septum, congenital
Hemifacial atrophy or hypertrophy
Squashed or bent nose, congenital
Excl.:
dentofacial anomalies [including malocclusion] ( K07.-)
syphilitic saddle nose ( A50.5)
Q67.5 Congenital deformity of spine
Incl.:
Congenital scoliosis:
  • NOS
  • postural
Excl.:
infantile idiopathic scoliosis ( M41.0)
scoliosis due to congenital bony malformation ( Q76.3)
Q67.6 Pectus excavatum
Incl.:
Congenital funnel chest
Q67.7 Pectus carinatum
Incl.:
Congenital pigeon chest
Q67.8 Other congenital deformities of chest
Incl.:
Congenital deformity of chest wall NOS

Q68 Other congenital musculoskeletal deformities

Excl.:
reduction defects of limb(s) ( Q71-Q73)
Q68.0 Congenital deformity of sternocleidomastoid muscle
Incl.:
Congenital (sternomastoid) torticollis
Contracture of sternocleidomastoid (muscle)
Sternomastoid tumour (congenital)
Q68.1 Congenital deformity of hand
Incl.:
Congenital clubfinger
Spade-like hand (congenital)
Q68.2 Congenital deformity of knee
Incl.:
Congenital:
  • dislocation of knee
  • genu recurvatum
Q68.3 Congenital bowing of femur
Excl.:
anteversion of femur (neck) ( Q65.8)
Q68.4 Congenital bowing of tibia and fibula
Q68.5 Congenital bowing of long bones of leg, unspecified
Q68.8 Other specified congenital musculoskeletal deformities
Incl.:
Congenital:
  • deformity of:
    • —  clavicle
    • —  elbow
    • —  forearm
    • —  scapula
  • dislocation of:
    • —  elbow
    • —  shoulder

Q69 Polydactyly

Q69.0 Accessory finger(s)
Q69.1 Accessory thumb(s)
Q69.2 Accessory toe(s)
Incl.:
Accessory hallux
Q69.9 Polydactyly, unspecified
Incl.:
Supernumerary digit(s) NOS

Q70 Syndactyly

Q70.0 Fused fingers
Incl.:
Complex syndactyly of fingers with synostosis
Q70.1 Webbed fingers
Incl.:
Simple syndactyly of fingers without synostosis
Q70.2 Fused toes
Incl.:
Complex syndactyly of toes with synostosis
Q70.3 Webbed toes
Incl.:
Simple syndactyly of toes without synostosis
Q70.4 Polysyndactyly
Q70.9 Syndactyly, unspecified
Incl.:
Symphalangy NOS

Q71 Reduction defects of upper limb

Q71.0 Congenital complete absence of upper limb(s)
Q71.1 Congenital absence of upper arm and forearm with hand present
Q71.2 Congenital absence of both forearm and hand
Q71.3 Congenital absence of hand and finger(s)
Q71.4 Longitudinal reduction defect of radius
Incl.:
Clubhand (congenital)
Radial clubhand
Q71.5 Longitudinal reduction defect of ulna
Q71.6 Lobster-claw hand
Q71.8 Other reduction defects of upper limb(s)
Incl.:
Congenital shortening of upper limb(s)
Q71.9 Reduction defect of upper limb, unspecified

Q72 Reduction defects of lower limb

Q72.0 Congenital complete absence of lower limb(s)
Q72.1 Congenital absence of thigh and lower leg with foot present
Q72.2 Congenital absence of both lower leg and foot
Q72.3 Congenital absence of foot and toe(s)
Q72.4 Longitudinal reduction defect of femur
Incl.:
Proximal femoral focal deficiency
Q72.5 Longitudinal reduction defect of tibia
Q72.6 Longitudinal reduction defect of fibula
Q72.7 Split foot
Q72.8 Other reduction defects of lower limb(s)
Incl.:
Congenital shortening of lower limb(s)
Q72.9 Reduction defect of lower limb, unspecified

Q73 Reduction defects of unspecified limb

Q73.0 Congenital absence of unspecified limb(s)
Incl.:
Amelia NOS
Q73.1 Phocomelia, unspecified limb(s)
Incl.:
Phocomelia NOS
Q73.8 Other reduction defects of unspecified limb(s)
Incl.:
Longitudinal reduction deformity of unspecified limb(s)
  • Ectromelia NOS
  • Hemimelia NOS
  • Reduction defect
  • of limb(s) NOS

Q74 Other congenital malformations of limb(s)

Excl.:
polydactyly ( Q69.-)
reduction defect of limb ( Q71-Q73)
syndactyly ( Q70.-)
Q74.0 Other congenital malformations of upper limb(s), including shoulder girdle
Incl.:
Accessory carpal bones
Cleidocranial dysostosis
Congenital pseudarthrosis of clavicle
Macrodactylia (fingers)
Madelung deformity
Radioulnar synostosis
Sprengel deformity
Triphalangeal thumb
Q74.1 Congenital malformation of knee
Incl.:
Congenital:
  • absence of patella
  • dislocation of patella
  • genu:
    • —  valgum
    • —  varum
Rudimentary patella
Excl.:
congenital:
  • dislocation of knee (Q68.2)
  • genu recurvatum (Q68.2)
nail patella syndrome ( Q87.2)
Q74.2 Other congenital malformations of lower limb(s), including pelvic girdle
Incl.:
Congenital:
  • fusion of sacroiliac joint
  • malformation (of):
    • —  ankle (joint)
    • —  sacroiliac (joint)
Excl.:
anteversion of femur (neck) ( Q65.8)
Q74.3 Arthrogryposis multiplex congenita
Q74.8 Other specified congenital malformations of limb(s)
Q74.9 Unspecified congenital malformation of limb(s)
Incl.:
Congenital anomaly of limb(s) NOS

Q75 Other congenital malformations of skull and face bones

Excl.:
congenital malformation of face NOS ( Q18.-)
congenital malformation syndromes classified to Q87.-
dentofacial anomalies [including malocclusion] ( K07.-)
musculoskeletal deformities of head and face ( Q67.0-Q67.4)
skull defects associated with congenital anomalies of brain such as:
Q75.0 Craniosynostosis
Incl.:
Acrocephaly
Imperfect fusion of skull
Oxycephaly
Trigonocephaly
Q75.1 Craniofacial dysostosis
Incl.:
Crouzon disease
Q75.2 Hypertelorism
Q75.3 Macrocephaly
Q75.4 Mandibulofacial dysostosis
Incl.:
Syndrome:
  • Franceschetti
  • Treacher-Collins
Q75.5 Oculomandibular dysostosis
Q75.8 Other specified congenital malformations of skull and face bones
Incl.:
Absence of skull bone, congenital
Congenital deformity of forehead
Platybasia
Q75.9 Congenital malformation of skull and face bones, unspecified
Incl.:
Congenital anomaly of:
  • face bones NOS
  • skull NOS

Q76 Congenital malformations of spine and bony thorax

Excl.:
congenital musculoskeletal deformities of spine and chest ( Q67.5-Q67.8)
Q76.0 Spina bifida occulta
Excl.:
meningocele (spinal) ( Q05.-)
spina bifida (aperta)(cystica) ( Q05.-)
Q76.1 Klippel-Feil syndrome
Incl.:
Cervical fusion syndrome
Q76.2 Congenital spondylolisthesis
Incl.:
Congenital spondylolysis
Excl.:
spondylolisthesis (acquired) ( M43.1)
spondylolysis (acquired) ( M43.0)
Q76.3 Congenital scoliosis due to congenital bony malformation
Incl.:
Hemivertebra fusion or failure of segmentation with scoliosis
Q76.4 Other congenital malformations of spine, not associated with scoliosis
Incl.:
  • Congenital:
    • absence of vertebra
    • fusion of spine
    • kyphosis
    • lordosis
    • malformation of lumbosacral (joint) (region)
  • Hemivertebra
  • Malformation of spine
  • Platyspondylisis
  • Supernumerary vertebra
  • unspecified or not associated with scoliosis
Q76.5 Cervical rib
Incl.:
Supernumerary rib in cervical region
Q76.6 Other congenital malformations of ribs
Incl.:
Accessory rib
Congenital:
  • absence of rib
  • fusion of ribs
  • malformation of ribs NOS
Excl.:
short rib syndrome ( Q77.2)
Q76.7 Congenital malformation of sternum
Incl.:
Congenital absence of sternum
Sternum bifidum
Q76.8 Other congenital malformations of bony thorax
Q76.9 Congenital malformation of bony thorax, unspecified

Q77 Osteochondrodysplasia with defects of growth of tubular bones and spine

Excl.:
mucopolysaccharidosis ( E76.0-E76.3)
Q77.0 Achondrogenesis
Incl.:
Hypochondrogenesis
Q77.1 Thanatophoric short stature
Q77.2 Short rib syndrome
Incl.:
Asphyxiating thoracic dysplasia [Jeune]
Q77.3 Chondrodysplasia punctata
Q77.4 Achondroplasia
Incl.:
Hypochondroplasia
Osteosclerosis congenita
Q77.5 Dystrophic dysplasia
Q77.6 Chondroectodermal dysplasia
Incl.:
Ellis-van Creveld syndrome
Q77.7 Spondyloepiphyseal dysplasia
Q77.8 Other osteochondrodysplasia with defects of growth of tubular bones and spine
Q77.9 Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified

Q78 Other osteochondrodysplasias

Q78.0 Osteogenesis imperfecta
Incl.:
Fragilitas ossium
Osteopsathyrosis
Q78.1 Polyostotic fibrous dysplasia
Incl.:
Albright(-McCune)(-Sternberg) syndrome
Q78.2 Osteopetrosis
Incl.:
Albers-Schönberg syndrome
Q78.3 Progressive diaphyseal dysplasia
Incl.:
Camurati-Engelmann syndrome
Q78.4 Enchondromatosis
Incl.:
Maffucci syndrome
Ollier disease
Q78.5 Metaphyseal dysplasia
Incl.:
Pyle syndrome
Q78.6 Multiple congenital exostoses
Incl.:
Diaphyseal aclasis
Q78.8 Other specified osteochondrodysplasias
Incl.:
Osteopoikilosis
Q78.9 Osteochondrodysplasia, unspecified
Incl.:
Chondrodystrophy NOS
Osteodystrophy NOS

Q79 Congenital malformations of the musculoskeletal system, not elsewhere classified

Excl.:
congenital (sternomastoid) torticollis ( Q68.0)
Q79.0 Congenital diaphragmatic hernia
Excl.:
congenital hiatus hernia ( Q40.1)
Q79.1 Other congenital malformations of diaphragm
Incl.:
Absence of diaphragm
Congenital malformation of diaphragm NOS
Eventration of diaphragm
Q79.2 Exomphalos
Incl.:
Omphalocele
Excl.:
umbilical hernia ( K42.-)
Q79.3 Gastroschisis
Q79.4 Prune belly syndrome
Q79.5 Other congenital malformations of abdominal wall
Excl.:
umbilical hernia ( K42.-)
Q79.6 Ehlers-Danlos syndrome
Q79.8 Other congenital malformations of musculoskeletal system
Incl.:
Absence of:
  • muscle
  • tendon
Accessory muscle
Amyotrophia congenita
Congenital:
  • constricting bands
  • shortening of tendon
Poland syndrome
Q79.9 Congenital malformation of musculoskeletal system, unspecified
Incl.:
  • Congenital:
    • anomaly NOS
    • deformity NOS
  • of musculoskeletal system NOS