NERVOUS SYSTEM (CODES A01-A84) Excludes: ANAESTHETIC PROCEDURES (Chapter Y)
Note: Use a subsidiary code for minimal access approach (Y74-Y76) Use a subsidiary code to identify method of image control (Y53)
A01Major excision of tissue of brain A01.1 Hemispherectomy A01.2 Total lobectomy of brain A01.3 Partial lobectomy of brain A01.8 Other specified A01.9 Unspecified
A02.1 Excision of lesion of tissue of frontal lobe of brain A02.2 Excision of lesion of tissue of temporal lobe of brain A02.3 Excision of lesion of tissue of parietal lobe of brain A02.4 Excision of lesion of tissue of occipital lobe of brain A02.5 Excision of lesion of tissue of cerebellum A02.6 Excision of lesion of tissue of brain stem A02.7 Excision of transcranial dermoid cyst Note: Use additional codes for concurrent procedures on the skull (V01-V13)
A02.8 Other specified A02.9 Unspecified
A03Stereotactic ablation of tissue of brain A03.1 Stereotactic leucotomy
A03.2 Stereotactic ablation of tissue of thalamus A03.3 Stereotactic ablation of tissue of globus pallidus A03.4 Stereotactic ablation of tissue of brain stem A03.8 Other specified A03.9 Unspecified
A04Open biopsy of lesion of tissue of brain Includes: Tissue of brain
A04.1 Open biopsy of lesion of tissue of frontal lobe of brain A04.2 Open biopsy of lesion of tissue of temporal lobe of brain A04.3 Open biopsy of lesion of tissue of parietal lobe of brain A04.4 Open biopsy of lesion of tissue of occipital lobe of brain A04.5 Open biopsy of lesion of tissue of cerebellum A04.6 Open biopsy of lesion of tissue of brain stem A04.8 Other specified A04.9 Unspecified
A05Drainage of lesion of tissue of brain Excludes: Drainage of subarachnoid space of brain (A22.1) Drainage of extradural space (A40)
A05.1 Drainage of abscess of tissue of brain A05.2 Evacuation of haematoma from temporal lobe of brain A05.3 Evacuation of haematoma from cerebellum A05.4 Evacuation of intracerebral haematoma NEC A05.8 Other specified A05.9 Unspecified
Note: Use an additional code for associated repair of cranium (V02.3)
A06.8 Other specified A06.9 Unspecified
A07Other open operations on tissue of brain A07.1 Open division of tissue of brain A07.2 Removal of foreign body from tissue of brain A07.3 Exploration of tissue of brain A07.4 Excision of abscess of tissue of brain A07.5 Multiple subpial transections A07.6 Complete callosotomy A07.7 Partial callosotomy A07.8 Other specified A07.9 Unspecified
A08Other biopsy of lesion of tissue of brain Includes: Tissue of brain
A08.1 Biopsy of lesion of tissue of frontal lobe of brain NEC A08.2 Biopsy of lesion of tissue of temporal lobe of brain NEC A08.3 Biopsy of lesion of tissue of parietal lobe of brain NEC A08.4 Biopsy of lesion of tissue of occipital lobe of brain NEC A08.5 Biopsy of lesion of tissue of cerebellum NEC A08.6 Biopsy of lesion of tissue of brain stem NEC A08.8 Other specified A08.9 Unspecified
A09.1 Implantation of brain neurostimulator A09.2 Maintenance of brain neurostimulator A09.3 Removal of brain neurostimulator A09.4 Operation on brain neurostimulator NEC A09.5 Insertion of neurostimulator electrodes into the brain A09.8 Other specified A09.9 Unspecified
A10Other operations on tissue of brain Note: Principal category, extended at A11
A10.1 Leucotomy NEC A10.2 Aspiration of abscess of tissue of brain A10.3 Aspiration of haematoma of tissue of brain A10.4 Aspiration of lesion of tissue of brain NEC A10.5 Puncture of tissue of brain NEC A10.6 Insertion of carmustine wafers in neoplasm of tissue of brain A10.7 Stereotactic radiosurgery on tissue of brain Note: Use an additional code to specify radiotherapy delivery (X65)
A11.1 Placement of depth electrodes for electroencephalography A11.2 Placement of surface electrodes for electroencephalography A11.3 Monitoring of pressure in tissue of brain Excludes: Monitoring of pressure in ventricle of brain (A20.3)
A12Creation of connection from ventricle of brain A12.1 Ventriculocisternostomy A12.2 Creation of ventriculovascular shunt Includes: Creation of ventriculoatrial shunt
A12.3 Creation of ventriculopleural shunt A12.4 Creation of ventriculoperitoneal shunt A12.5 Creation of subcutaneous cerebrospinal fluid reservoir A12.8 Other specified A12.9 Unspecified
A13Attention to component of connection from ventricle of brain A13.1 Maintenance of proximal catheter of cerebroventricular shunt A13.2 Maintenance of distal catheter of cerebroventricular shunt A13.3 Insertion of antisyphon device into cerebroventricular shunt A13.4 Renewal of valve of cerebroventricular shunt A13.8 Other specified A13.9 Unspecified
A14Other operations on connection from ventricle of brain A14.1 Renewal of cerebroventricular shunt A14.2 Revision of cerebroventricular shunt NEC Includes: Conversion of cerebroventricular shunt NEC
A14.3 Removal of cerebroventricular shunt A14.4 Irrigation of cerebroventricular shunt A14.5 Attention to cerebroventricular shunt NEC A14.8 Other specified A14.9 Unspecified
A16Other open operations on ventricle of brain A16.1 Open drainage of ventricle of brain NEC A16.8 Other specified A16.9 Unspecified
A17Therapeutic endoscopic operations on ventricle of brain Note: It is not necessary to code additionally any mention of diagnostic endoscopic examination of ventricle of brain (A18.9)
A17.1 Endoscopic extirpation of lesion of ventricle of brain A17.2 Endoscopic third ventriculostomy A17.8 Other specified A17.9 Unspecified
A18Diagnostic endoscopic examination of ventricle of brain A18.1 Diagnostic endoscopic examination of ventricle of brain and biopsy of lesion of ventricle of brain Includes: Diagnostic endoscopic examination of ventricle of brain and biopsy of ventricle of brain Endoscopic biopsy of lesion of brain Endoscopic biopsy of brain
A18.8 Other specified A18.9 Unspecified Includes: Ventriculoscopy of brain NEC
A20Other operations on ventricle of brain A20.1 Drainage of ventricle of brain NEC A20.2 Ventriculography of brain A20.3 Monitoring of pressure in ventricle of brain A20.8 Other specified A20.9 Unspecified
A22Operations on subarachnoid space of brain A22.1 Drainage of subarachnoid space of brain A22.2 Puncture of cistern of brain A22.3 Isotopic cisternography A22.8 Other specified A22.9 Unspecified
A24Graft to cranial nerve A24.1 Primary microsurgical graft to facial nerve (vii) A24.2 Secondary microsurgical graft to facial nerve (vii) A24.3 Microsurgical graft to facial nerve (vii) NEC A24.4 Primary microsurgical graft to cranial nerve NEC A24.5 Secondary microsurgical graft to cranial nerve NEC A24.6 Microsurgical graft to cranial nerve NEC A24.8 Other specified A24.9 Unspecified
A25Intracranial transection of cranial nerve A25.1 Intracranial transection of optic nerve (ii) A25.2 Intracranial transection of oculomotor nerve (iii) Includes: Intracranial transection of trochlear nerve (iv) Intracranial transection of abducens nerve (vi)
A25.3 Intracranial transection of trigeminal nerve (v) A25.4 Intracranial transection of facial nerve (vii) A25.5 Intracranial transection of acoustic nerve (viii) A25.6 Intracranial transection of glossopharyngeal nerve (ix) A25.7 Intracranial transection of vagus nerve (x) A25.8 Intracranial transection of specified cranial nerve NEC Includes: Intracranial transection of accessory nerve (xi) Intracranial transection of hypoglossal nerve (xii)
A25.9 Unspecified
A26Other intracranial destruction of cranial nerve A26.1 Intracranial destruction of optic nerve (ii) A26.2 Intracranial destruction of oculomotor nerve (iii) Includes: Intracranial destruction of trochlear nerve (iv) Intracranial destruction of abducens nerve (vi)
A26.3 Intracranial destruction of trigeminal nerve (v)
A27.3 Selective extracranial vagotomy NEC Includes: Selective vagotomy NEC
A27.8 Other specified A27.9 Unspecified Includes: Extracranial vagotomy NEC Vagotomy NEC
A28Extracranial extirpation of other cranial nerve A28.1 Extracranial transection of trigeminal nerve (v) NEC Includes: Transection of trigeminal nerve (v) NEC
Excludes: Neurectomy of vidian nerve NEC (E13.7) Transantral neurectomy of vidian nerve using sublabial approach (E12.4)
A28.2 Extracranial transection of accessory nerve (xi) NEC Includes: Transection of accessory nerve (xi) NEC
A28.8 Other specified A28.9 Unspecified
A29Excision of lesion of cranial nerve A29.1 Excision of lesion of optic nerve (ii) A29.2 Excision of lesion of oculomotor nerve (iii) Includes: Excision of lesion of trochlear nerve (iv) Excision of lesion of abducens nerve (vi)
A29.3 Excision of lesion of trigeminal nerve (v) A29.4 Excision of lesion of facial nerve (vii) A29.5 Excision of lesion of acoustic nerve (viii) A29.6 Excision of lesion of glossopharyngeal nerve (ix) A29.7 Excision of lesion of vagus nerve (x) A29.8 Excision of lesion of specified cranial nerve NEC Includes: Excision of lesion of accessory nerve (xi) Excision of lesion of hypoglossal nerve (xii)
A29.9 Unspecified
A30Repair of cranial nerve A30.1 Repair of optic nerve (ii) A30.2 Repair of oculomotor nerve (iii) Includes: Repair of trochlear nerve (iv) Repair of abducens nerve (vi)
A30.3 Repair of trigeminal nerve (v) A30.4 Repair of facial nerve (vii) A30.5 Repair of acoustic nerve (viii) A30.6 Repair of glossopharyngeal nerve (ix) A30.7 Repair of vagus nerve (x) A30.8 Repair of specified cranial nerve NEC Includes: Repair of accessory nerve (xi) Repair of hypoglossal nerve (xii)
A30.9 Unspecified
A31Intracranial stereotactic release of cranial nerve A31.1 Intracranial stereotactic neurolysis of optic nerve (ii) A31.2 Intracranial stereotactic neurolysis of oculomotor nerve (iii) Includes: Intracranial stereotactic neurolysis of trochlear nerve (iv) Intracranial stereotactic neurolysis of abducens nerve (vi)
A31.3 Intracranial stereotactic neurolysis of trigeminal nerve (v) A31.4 Intracranial stereotactic neurolysis of facial nerve (vii) A31.5 Intracranial stereotactic neurolysis of acoustic nerve (viii) A31.6 Intracranial stereotactic neurolysis of glossopharyngeal nerve (ix) A31.7 Intracranial stereotactic neurolysis of vagus nerve (x) A31.8 Intracranial stereotactic neurolysis of specified cranial nerve NEC Includes: Intracranial stereotactic neurolysis of accessory nerve (xi) Intracranial stereotactic neurolysis of hypoglossal nerve (xii)
A31.9 Unspecified
A32Other decompression of cranial nerve A32.1 Decompression of optic nerve (ii) A32.2 Decompression of oculomotor nerve (iii) Includes: Decompression of trochlear nerve (iv) Decompression of abducens nerve (vi)
A32.3 Decompression of trigeminal nerve (v) A32.4 Decompression of facial nerve (vii) A32.5 Decompression of acoustic nerve (viii) A32.6 Decompression of glossopharyngeal nerve (ix) A32.7 Decompression of vagus nerve (x) A32.8 Decompression of specified cranial nerve NEC Includes: Decompression of accessory nerve (xi) Decompression of hypoglossal nerve (xii)
A33.1 Implantation of cranial nerve neurostimulator A33.2 Maintenance of cranial nerve neurostimulator A33.3 Removal of cranial nerve neurostimulator A33.4 Insertion of neurostimulator electrodes adjacent to the cranial nerve A33.8 Other specified A33.9 Unspecified
A34Exploration of cranial nerve A34.1 Exploration of optic nerve (ii) A34.2 Exploration of oculomotor nerve (iii) Includes: Exploration of trochlear nerve (iv) Exploration of abducens nerve (vi)
A34.3 Exploration of trigeminal nerve (v) A34.4 Exploration of facial nerve (vii) A34.5 Exploration of acoustic nerve (viii) A34.6 Exploration of glossopharyngeal nerve (ix) A34.7 Exploration of vagus nerve (x) A34.8 Exploration of specified cranial nerve NEC Includes: Exploration of accessory nerve (xi) Exploration of hypoglossal nerve (xii)
A34.9 Unspecified
A36Other operations on cranial nerve A36.1 Hypoglossofacial anastomosis A36.2 Anastomosis of cranial nerve NEC A36.3 Biopsy of lesion of cranial nerve Includes: Biopsy of cranial nerve
A36.4 Radial optic neurotomy (ii) A36.5 Denervation of trigeminal nerve (v)
A38.1 Extirpation of lesion of meninges of cortex of brain A38.2 Extirpation of lesion of meninges of sphenoidal ridge of cranium A38.3 Extirpation of lesion of meninges of subfrontal region of brain A38.4 Extirpation of lesion of meninges of parasagittal region of brain A38.5 Extirpation of lesion of falx cerebri A38.6 Extirpation of lesion of tentorium cerebelli A38.8 Other specified A38.9 Unspecified
A39.1 Repair of meningoencephalocele Excludes: Repair of post-traumatic meningoencephalocele (A06.4)
A39.2 Repair of dura of anterior fossa of cranium A39.3 Repair of dura of middle fossa of cranium A39.4 Repair of dura of posterior fossa of cranium A39.5 Repair of dura of vault of cranium A39.8 Other specified A39.9 Unspecified
A43.1 Extirpation of lesion of meninges of skull base A43.2 Extirpation of lesion of meninges of skull clivus A43.8 Other specified A43.9 Unspecified
A44Partial extirpation of spinal cord A44.1 Chordectomy of spinal cord A44.2 Extirpation of lesion of spinal cord NEC A44.3 Excision of lesion of intradural intramedullary spinal cord A44.4 Excision of lesion of extradural spinal cord A44.5 Excision of lesion of intradural extramedullary spinal cord A44.8 Other specified A44.9 Unspecified
A45Other open operations on spinal cord Includes: Spinal tract
A45.1 Stereotactic chordotomy of spinal cord A45.2 Open chordotomy of spinal cord NEC A45.3 Myelotomy of spinal cord A45.4 Open biopsy of lesion of spinal cord Includes: Open biopsy of spinal cord
A45.5 Removal of foreign body from spinal cord A45.6 Open aspiration of lesion of spinal cord A45.8 Other specified A45.9 Unspecified
A47Other destruction of spinal cord A47.1 Needle destruction of substantia gelatinosa of cervical spinal cord A47.2 Radiofrequency controlled thermal destruction of spinothalamic tract A47.3 Percutaneous chordotomy of spinal cord A47.8 Other specified A47.9 Unspecified
A48.1 Biopsy of lesion of spinal cord NEC Includes: Biopsy of spinal cord NEC
A48.2 Aspiration of lesion of spinal cord A48.3 Implantation of spinal cord neurostimulator A48.4 Attention to spinal cord neurostimulator NEC A48.5 Reprogramming of spinal cord neurostimulator A48.6 Removal of spinal cord neurostimulator A48.7 Insertion of neurostimulator electrodes adjacent to the spinal cord A48.8 Other specified A48.9 Unspecified
A49Repair of spina bifida A49.1 Freeing of spinal tether NEC Includes: Division of tethered filum terminale
A49.2 Closure of spinal myelomeningocele A49.3 Closure of spinal meningocele A49.4 Complex freeing of spinal tether Includes: Complex reduction of abnormal tissue to free spinal cord
A49.8 Other specified A49.9 Unspecified
A51Other operations on meninges of spinal cord A51.1 Extirpation of lesion of meninges of spinal cord A51.2 Freeing of adhesions of meninges of spinal cord A51.3 Biopsy of lesion of meninges of spinal cord Includes: Biopsy of meninges of spinal cord
A51.4 Endoscopic division of epidural adhesions A51.5 Repair of dura of spinal cord Includes: Repair of thecal sac
A53Drainage of spinal canal A53.1 Cerebrospinal syringostomy A53.2 Creation of thecoperitoneal shunt A53.3 Creation of syringoperitoneal shunt A53.4 Creation of lumboperitoneal shunt A53.5 Drainage of cerebrospinal fluid NEC A53.6 Creation of lumbar subcutaneous shunt A53.8 Other specified A53.9 Unspecified
A54Therapeutic spinal puncture A54.1 Injection of destructive substance into cerebrospinal fluid
A57.6 Reimplantation of spinal nerves into spinal cord A57.7 Injection of therapeutic substance around spinal nerve root A57.8 Other specified A57.9 Unspecified
A59Excision of peripheral nerve A59.1 Total sacrifice of peripheral nerve A59.2 Partial sacrifice of peripheral nerve A59.8 Other specified A59.9 Unspecified Includes: Neurectomy NEC
A60Destruction of peripheral nerve A60.1 Enucleation of peripheral nerve A60.2 Avulsion of peripheral nerve A60.3 Transection of peripheral nerve A60.4 Radiofrequency controlled thermal destruction of peripheral nerve A60.5 Injection of destructive substance into peripheral nerve
A61.3 Radiotherapy to lesion of peripheral nerve Note: Use an additional code to specify radiotherapy delivery (X65)
A61.4 Destruction of lesion of peripheral nerve NEC A61.8 Other specified A61.9 Unspecified
A62Microsurgical repair of peripheral nerve Note: Principal category, extended at A71
A62.1 Primary microsurgical graft to peripheral nerve A62.2 Secondary microsurgical graft to peripheral nerve A62.3 Microsurgical graft to peripheral nerve NEC A62.4 Primary microsurgical repair of peripheral nerve NEC A62.5 Secondary microsurgical repair of peripheral nerve NEC A62.6 Microsurgical graft to multiple peripheral nerves NEC A62.7 Microsurgical repair of multiple peripheral nerves NEC A62.8 Other specified A62.9 Unspecified
A63Other graft to peripheral nerve A63.1 Primary graft to peripheral nerve NEC A63.2 Secondary graft to peripheral nerve NEC A63.8 Other specified A63.9 Unspecified
A64Other repair of peripheral nerve A64.1 Primary approximation of peripheral nerve A64.2 Primary repair of peripheral nerve NEC A64.3 Secondary repair of peripheral nerve and mobilisation of peripheral nerve A64.4 Secondary repair of peripheral nerve NEC A64.8 Other specified A64.9 Unspecified
A65Release of entrapment of peripheral nerve at wrist A65.1 Carpal tunnel release A65.2 Canal of Guyon release A65.8 Other specified A65.9 Unspecified
A66Release of entrapment of peripheral nerve at ankle A66.1 Tarsal tunnel release A66.8 Other specified A66.9 Unspecified
A67Release of entrapment of peripheral nerve at other site A67.1 Cubital tunnel release A67.2 Release of entrapment of lateral cutaneous nerve of thigh A67.3 Release of entrapment of plantar digital nerve A67.8 Other specified A67.9 Unspecified
A68Other release of peripheral nerve A68.1 Primary neurolysis of peripheral nerve and transposition of peripheral nerve A68.2 Secondary neurolysis of peripheral nerve and transposition of peripheral nerve A68.3 Neurolysis of peripheral nerve and transposition of peripheral nerve NEC A68.4 Primary neurolysis of peripheral nerve NEC A68.5 Secondary neurolysis of peripheral nerve NEC A68.8 Other specified A68.9 Unspecified Includes: Neurolysis of peripheral nerve NEC
A69Revision of release of peripheral nerve A69.1 Revision of neurolysis of peripheral nerve and transposition of peripheral nerve A69.2 Revision of carpal tunnel release A69.3 Revision of tarsal tunnel release A69.4 Revision of cubital tunnel release A69.8 Other specified A69.9 Unspecified Includes: Revision of neurolysis of peripheral nerve NEC Revision of release of peripheral nerve NEC
A71.1 Primary microsurgical transfer of peripheral nerve A71.2 Secondary microsurgical transfer of peripheral nerve A71.3 Microsurgical transfer of multiple peripheral nerves A71.4 Microsurgical transfer of peripheral nerve NEC A71.8 Other specified A71.9 Unspecified
A73Other operations on peripheral nerve A73.1 Biopsy of lesion of peripheral nerve Includes: Biopsy of peripheral nerve
A73.2 Freeing of adhesions of peripheral nerve NEC A73.3 Decompression of peripheral nerve NEC A73.4 Exploration of peripheral nerve A73.5 Injection of therapeutic substance around peripheral nerve
A76.1 Chemical destruction of cervical sympathetic nerve A76.2 Chemical destruction of thoracic sympathetic nerve A76.3 Chemical destruction of lumbar sympathetic nerve A76.4 Chemical destruction of perivascular sympathetic nerve A76.5 Chemical destruction of splanchnic sympathetic nerve A76.8 Other specified A76.9 Unspecified Includes: Chemical sympathectomy NEC
A79.1 Destruction of cervical sympathetic nerve NEC A79.2 Destruction of thoracic sympathetic nerve NEC A79.3 Destruction of lumbar sympathetic nerve NEC A79.4 Destruction of perivascular sympathetic nerve NEC A79.5 Destruction of splanchnic sympathetic nerve NEC A79.8 Other specified A79.9 Unspecified
A81Other operations on sympathetic nerve A81.1 Stellate ganglion blockade
ENDOCRINE SYSTEM AND BREAST (CODES B01-B45) Note: Use a subsidiary code for minimal access approach (Y74-Y76) Use a subsidiary code to identify method of image control (Y53)
B01.1 Transethmoidal hypophysectomy B01.2 Trans-sphenoidal hypophysectomy B01.3 Trans-septal hypophysectomy B01.4 Transcranial hypophysectomy B01.8 Other specified B01.9 Unspecified Includes: Hypophysectomy NEC
B02Destruction of pituitary gland B02.1 Cryotherapy to pituitary gland B02.2 Implantation of radioactive substance into pituitary gland Note: Use an additional code to specify radiotherapy delivery (X65)
B02.3 Injection of destructive substance into pituitary gland NEC B02.8 Other specified B02.9 Unspecified
B04.1 Excision of lesion of pituitary gland B04.2 Biopsy of lesion of pituitary gland Includes: Biopsy of pituitary gland
B04.3 Decompression of pituitary gland B04.4 Exploration of pituitary gland B04.5 Operations on pituitary stalk B04.8 Other specified B04.9 Unspecified
B06Operations on pineal gland B06.1 Excision of pineal gland B06.8 Other specified B06.9 Unspecified
B08Excision of thyroid gland B08.1 Total thyroidectomy B08.2 Subtotal thyroidectomy B08.3 Hemithyroidectomy B08.4 Lobectomy of thyroid gland NEC B08.5 Isthmectomy of thyroid gland B08.6 Partial thyroidectomy NEC B08.8 Other specified B08.9 Unspecified Includes: Thyroidectomy NEC
B09Operations on aberrant thyroid tissue B09.1 Excision of substernal thyroid tissue B09.2 Excision of sublingual thyroid tissue B09.8 Other specified B09.9 Unspecified
B10Operations on thyroglossal tissue B10.1 Excision of thyroglossal cyst B10.2 Excision of thyroglossal tract B10.3 Biopsy of lesion of thyroglossal tract Includes: Biopsy of thyroglossal tract
B10.4 Incision of thyroglossal cyst B10.8 Other specified B10.9 Unspecified
B12Other operations on thyroid gland B12.1 Excision of lesion of thyroid gland B12.2 Biopsy of lesion of thyroid gland Includes: Biopsy of thyroid gland
Note: Use a subsidiary code for fine needle aspiration (Y20.4)
B12.3 Incision of lesion of thyroid gland B12.4 Exploration of thyroid gland B12.5 Percutaneous drainage of lesion of thyroid gland Includes: Percutaneous drainage of thyroid gland
B12.8 Other specified B12.9 Unspecified
B14Excision of parathyroid gland B14.1 Global parathyroidectomy and transposition of parathyroid tissue B14.2 Global parathyroidectomy NEC B14.3 Partial parathyroidectomy and transposition of parathyroid tissue B14.4 Partial parathyroidectomy NEC B14.5 Excision of lesion of parathyroid gland B14.8 Other specified B14.9 Unspecified Includes: Parathyroidectomy NEC
B16Other operations on parathyroid gland B16.1 Modification of transposed parathyroid gland B16.2 Biopsy of lesion of parathyroid gland Includes: Biopsy of parathyroid gland
B16.3 Exploration of parathyroid gland B16.4 Parathyroid washout B16.8 Other specified B16.9 Unspecified
B17Transplantation of thymus gland B17.1 Allotransplantation of thymus gland B17.8 Other specified B17.9 Unspecified
B18Excision of thymus gland B18.1 Trans-sternal thymectomy B18.2 Transcervical thymectomy B18.8 Other specified B18.9 Unspecified Includes: Thymectomy NEC
B20Other operations on thymus gland B20.1 Biopsy of lesion of thymus gland Includes: Biopsy of thymus gland
B20.2 Exploration of thymus gland B20.8 Other specified B20.9 Unspecified
B22Excision of adrenal gland B22.1 Bilateral adrenalectomy and transposition of adrenal tissue B22.2 Bilateral adrenalectomy NEC B22.3 Unilateral adrenalectomy Includes: Adrenalectomy NEC
B22.4 Partial adrenalectomy B22.8 Other specified B22.9 Unspecified
B23Operations on aberrant adrenal tissue B23.1 Excision of lesion of aberrant adrenal tissue B23.2 Exploration of aberrant adrenal tissue B23.8 Other specified B23.9 Unspecified
B25Other operations on adrenal gland B25.1 Excision of lesion of adrenal gland B25.2 Biopsy of lesion of adrenal gland NEC Includes: Biopsy of adrenal gland NEC
B25.3 Embolisation of adrenal gland B25.4 Exploration of adrenal gland B25.8 Other specified B25.9 Unspecified
B27Total excision of breast Note: Use a supplementary code for removal of lymph node (T85-T87)
B27.1 Total mastectomy and excision of both pectoral muscles and part of chest wall B27.2 Total mastectomy and excision of both pectoral muscles NEC B27.3 Total mastectomy and excision of pectoralis minor muscle B27.4 Total mastectomy NEC Includes: Simple mastectomy
B27.6 Skin sparing mastectomy B27.8 Other specified B27.9 Unspecified Includes: Mastectomy NEC
B28Other excision of breast Note: Principal category, extended at B41 Use a supplementary code for removal of lymph node (T85-T87)
B28.1 Quadrantectomy of breast B28.2 Partial excision of breast NEC Includes: Wedge excision of breast NEC Wide excision of breast NEC
B28.3 Excision of lesion of breast NEC Includes: Lumpectomy of breast NEC
B28.4 Re-excision of breast margins B28.5 Wire guided partial excision of breast Includes: Wire guided wedge excision of breast Wire guided wide excision of breast
B28.6 Excision of accessory breast tissue B28.7 Wire guided excision of lesion of breast Includes: Wire guided lumpectomy of breast
B28.8 Other specified B28.9 Unspecified
B29Reconstruction of breast Excludes: Reconstruction of breast using flap of skin of buttock (B38) Reconstruction of breast using abdominal flap (B39) Reconstruction of breast using flap of thigh (B42) Reconstruction of breast using flap of chest wall (B44)
Note: Principal category, extended at B43 Use a supplementary code for insertion of prosthesis for breast (B30.1) or skin expander (S48) Use a supplementary code for attention to skin expander (S49)
B29.1 Reconstruction of breast using myocutaneous flap of latissimus dorsi muscle B29.2 Reconstruction of breast using local flap of skin NEC B29.3 Reconstruction of breast using flap of skin of abdomen NEC B29.4 Reconstruction of breast using distant flap of skin NEC B29.5 Revision of reconstruction of breast B29.6 Reconstruction of breast using glandular remodelling Includes: Reconstruction of breast using glandular flap
B29.7 Reconstruction of breast using dermoglandular flap B29.8 Other specified B29.9 Unspecified
B30Prosthesis for breast Excludes: Augmentation mammoplasty (B31.2)
B30.1 Insertion of prosthesis for breast NEC Includes: Insertion of breast prosthesis into sub-pectoral space
B30.2 Revision of prosthesis for breast NEC B30.3 Removal of prosthesis for breast NEC Includes: Removal of breast prosthesis from sub-pectoral space
B30.4 Renewal of prosthesis for breast NEC Includes: Renewal of breast prosthesis in sub-pectoral space
B30.5 Insertion of breast prosthesis into pre-pectoral space B30.6 Renewal of breast prosthesis in pre-pectoral space B30.7 Removal of breast prosthesis from pre-pectoral space B30.8 Other specified B30.9 Unspecified
B31Other plastic operations on breast B31.1 Reduction mammoplasty B31.2 Augmentation mammoplasty B31.3 Mastopexy B31.4 Revision of mammoplasty B31.8 Other specified B31.9 Unspecified
B32Biopsy of breast B32.1 Percutaneous biopsy of lesion of breast Includes: Percutaneous biopsy of breast
B32.2 Biopsy of lesion of breast NEC B32.3 Wire guided biopsy of lesion of breast B32.4 Vacuum biopsy of lesion of breast Includes: Vacuum assisted biopsy of lesion of breast
B32.8 Other specified B32.9 Unspecified
B33Incision of breast B33.1 Drainage of lesion of breast
B33.2 Capsulotomy of breast B33.3 Exploration of breast B33.8 Other specified B33.9 Unspecified
B34Operations on duct of breast B34.1 Subareolar excision of mammary duct B34.2 Excision of mammary duct NEC B34.3 Excision of lesion of mammary duct B34.4 Microdochotomy B34.5 Exploration of mammary duct NEC B34.8 Other specified B34.9 Unspecified
B35Operations on nipple and areola Includes: Skin of nipple Skin of areola
Note: Codes from Chapter S may be used to enhance these codes
B35.1 Transposition of nipple B35.2 Excision of nipple B35.3 Extirpation of lesion of nipple B35.4 Plastic operations on nipple B35.5 Biopsy of lesion of nipple Includes: Biopsy of nipple
B35.6 Eversion of nipple B35.8 Other specified B35.9 Unspecified
B36Reconstruction of nipple and areola Includes: Skin of nipple Skin of areola
Note: Codes from Chapter S may be used to enhance these codes
B36.1 Reconstruction of nipple B36.2 Nipple sharing using other tissue B36.3 Nipple sharing NEC B36.4 Tattooing of nipple B36.8 Other specified B36.9 Unspecified
B37Other operations on breast B37.1 Aspiration of lesion of breast Includes: Aspiration of breast
Note: Use a subsidiary code for fine needle aspiration (Y20.4)
B37.2 Injection into breast B37.3 Extraction of milk from breast B37.4 Capsulectomy of breast NEC B37.5 Lipofilling of breast B37.6 Partial capsulectomy of breast B37.8 Other specified B37.9 Unspecified
B38Reconstruction of breast using flap of skin of buttock Note: Use a supplementary code for insertion of prosthesis for breast (B30.1) or skin expander (S48) Use a supplementary code for attention to skin expander (S49)
B38.1 Reconstruction of breast using free superior gluteal artery perforator flap B38.2 Reconstruction of breast using free inferior gluteal artery perforator flap B38.8 Other specified B38.9 Unspecified
B39Reconstruction of breast using abdominal flap Excludes: Reconstruction of breast using flap of skin of abdomen NEC (B29.3)
Note: Use a supplementary code for insertion of prosthesis for breast (B30.1) or skin expander (S48) Use a supplementary code for attention to skin expander (S49)
B39.1 Reconstruction of breast using free transverse rectus abdominis myocutaneous flap B39.2 Reconstruction of breast using pedicled transverse rectus abdominis myocutaneous flap B39.3 Reconstruction of breast using free deep inferior epigastric perforator flap NEC Includes: Reconstruction of breast using unipedicled free deep inferior epigastric perforator flap
B39.4 Reconstruction of breast using pedicled omental flap B39.5 Reconstruction of breast using free omental flap B39.6 Reconstruction of breast using free superficial inferior epigastric artery flap B39.7 Reconstruction of breast using bipedicled free deep inferior epigastric perforator flap Includes: Reconstruction of breast using double pedicled free deep inferior epigastric perforator flap
B39.8 Other specified B39.9 Unspecified
B40Destruction of lesion of breast B40.1 Interstitial laser destruction of lesion of breast B40.8 Other specified B40.9 Unspecified
Note: Principal B28 Use a supplementary code for removal of lymph node (T85-T87)
B41.1 Radionuclide guided excision of lesion of breast Includes: Radionuclide guided lumpectomy
B41.2 Radionuclide guided partial excision of breast Includes: Radionuclide guided wedge excision of breast Radionuclide guided wide excision of breast
B41.8 Other specified B41.9 Unspecified
B42Reconstruction of breast using flap of thigh Note: Use a supplementary code for insertion of prosthesis for breast (B30.1) or skin expander (S48) Use a supplementary code for attention to skin expander (S49)
B42.1 Reconstruction of breast using free myocutaneous gracilis flap Includes: Reconstruction of breast using free transverse upper gracilis flap Reconstruction of breast using free diagonal upper gracilis flap Reconstruction of breast using free L-shaped upper gracilis flap
B42.2 Reconstruction of breast using free profunda artery perforator flap B42.8 Other specified B42.9 Unspecified
B43Other reconstruction of breast Excludes: Reconstruction of breast using flap of skin of buttock (B38) Reconstruction of breast using abdominal flap (B39) Reconstruction of breast using flap of thigh (B42) Reconstruction of breast using flap of chest wall (B44)
Note: Principal B29 Use a supplementary code for insertion of prosthesis for breast (B30.1) or skin expander (S48) Use a supplementary code for attention to skin expander (S49)
B43.1 Reconstruction of breast using free lumbar artery perforator flap B43.8 Other specified B43.9 Unspecified
B44Reconstruction of breast using flap of chest wall Note: Use a supplementary code for insertion of prosthesis for breast (B30.1) or skin expander (S48) Use a supplementary code for attention to skin expander (S49)
B44.1 Reconstruction of breast using pedicled intercostal artery perforator flap Includes: Reconstruction of breast using pedicled lateral intercostal artery perforator flap Reconstruction of breast using pedicled anterior intercostal artery perforator flap Reconstruction of breast using pedicled medial intercostal artery perforator flap
B44.2 Reconstruction of breast using pedicled thoracodorsal artery perforator flap B44.3 Reconstruction of breast using pedicled thoracic artery perforator flap Includes: Reconstruction of breast using pedicled long thoracic artery perforator flap
B45.1 Replacement of sub-pectoral space prosthesis with pre-pectoral space prosthesis B45.2 Replacement of pre-pectoral space prosthesis with sub-pectoral space prosthesis B45.8 Other specified B45.9 Unspecified
EYE (CODES C01-C91) Note: Use a subsidiary code for minimal access approach (Y76.3-Y76.9) Use a subsidiary code to identify method of image control (Y53)
C01Excision of eye Note: Use an additional code as necessary for concurrent insertion of prosthetic replacement of eye (C03)
C01.1 Exenteration of orbit C01.2 Enucleation of eye Includes: Enucleation of eyeball
C01.3 Evisceration of eye Includes: Evisceration of contents of eyeball
C01.8 Other specified C01.9 Unspecified
C02Extirpation of lesion of orbit C02.1 Excision of lesion of orbit C02.2 Destruction of lesion of orbit C02.8 Other specified C02.9 Unspecified
C03Insertion of prosthesis of eye Includes: Orbital implant
Note: Use as a secondary code when associated with concurrent excision of eye (C01)
C03.1 Insertion of prosthetic replacement for orbit Includes: Insertion of orbital wall prosthesis
C03.2 Insertion of prosthetic replacement for eyeball Includes: Insertion of central orbital prosthesis
C03.8 Other specified C03.9 Unspecified
C04Attention to prosthesis of eye Includes: Orbital implant
C04.1 Revision of prosthetic replacement for orbit Includes: Revision of prosthetic replacement for orbital wall
C04.2 Revision of prosthetic replacement for eyeball Includes: Revision of central orbital prosthesis Repair of extruding central orbital implant
C04.3 Removal of prosthetic replacement for orbit Includes: Removal of prosthetic replacement for orbital wall
C04.4 Removal of prosthetic replacement for eyeball Includes: Removal of central orbital prosthesis
C04.8 Other specified C04.9 Unspecified
C05Plastic repair of orbit Note: Use a subsidiary code to identify harvest of skin and fat (Y67.2)
C05.1 Reconstruction of cavity of orbit C05.2 Plastic repair of cavity of orbit C05.3 Enlargement of cavity of orbit C05.8 Other specified C05.9 Unspecified
C06Incision of orbit C06.1 Biopsy of lesion of orbit Includes: Biopsy of orbit
C06.2 Drainage of orbit C06.3 Decompression of orbit C06.4 Removal of foreign body from orbit C06.5 Exploration of orbit C06.8 Other specified C06.9 Unspecified Includes: Orbitotomy NEC
C08Other operations on orbit C08.1 Transposition of ligament of orbit C08.2 Open reduction of fracture of orbit C08.3 Removal of fixation from fracture of orbit C08.4 Retrobulbar injection into orbit Excludes: Peribulbar injection of therapeutic substance (C86.7)
C08.5 Internal fixation of fracture of orbit C08.8 Other specified C08.9 Unspecified
C09Replacement of canthal tendon Excludes: When associated with correction of ectropion (C15.1) or correction of entropion (C15.2)
C09.1 Replacement of lateral canthal tendon using tarsal strip C09.2 Replacement of lateral canthal tendon using periosteal strip C09.3 Replacement of medial canthal tendon using periosteal strip C09.8 Other specified C09.9 Unspecified
C10Operations on eyebrow Includes: Skin of eyebrow
Note: Codes from Chapter S may be used to enhance these codes
C10.1 Excision of lesion of eyebrow C10.2 Hair bearing flap to eyebrow C10.3 Hair bearing graft to eyebrow C10.4 Suture of eyebrow C10.5 Incision of lesion of eyebrow C10.6 Biopsy of lesion of eyebrow C10.8 Other specified C10.9 Unspecified
C11Operations on canthus Excludes: Replacement of canthal tendon (C09) Medial canthoplasty for correction of ectropion (C15.1)
Note: Codes from Chapter S may be used to enhance these codes
C11.1 Excision of lesion of canthus C11.2 Destruction of lesion of canthus C11.3 Correction of epicanthus C11.4 Correction of telecanthus C11.5 Graft of skin to canthus C11.6 Canthotomy C11.7 Biopsy of lesion of canthus C11.8 Other specified C11.9 Unspecified
C12Extirpation of lesion of eyelid Includes: Skin of eyelid
Note: Codes from Chapter S may be used to enhance these codes
C12.1 Excision of lesion of eyelid NEC C12.2 Cauterisation of lesion of eyelid C12.3 Cryotherapy to lesion of eyelid C12.4 Curettage of lesion of eyelid C12.5 Destruction of lesion of eyelid NEC C12.6 Wedge excision of lesion of eyelid C12.8 Other specified C12.9 Unspecified
C13Excision of redundant skin of eyelid Includes: Excision of orbital fat
C13.1 Blepharoplasty of both eyelids C13.2 Blepharoplasty of upper eyelid C13.3 Blepharoplasty of lower eyelid C13.4 Blepharoplasty NEC C13.8 Other specified C13.9 Unspecified
C14Reconstruction of eyelid Note: Use a subsidiary code to identify harvest of tissue (Y54-Y69)
C14.1 Flap of skin to eyelid C14.2 Graft of skin to eyelid C14.3 Graft of cartilage to eyelid C14.4 Graft of skin and fat to eyelid Includes: Dermis fat graft to eyelid
C14.5 Graft of fascia to eyelid C14.8 Other specified C14.9 Unspecified
C15Correction of deformity of eyelid C15.1 Correction of ectropion NEC Includes: Medial canthoplasty for correction of ectropion
C15.2 Correction of entropion NEC C15.3 Correction of trichiasis C15.4 Correction of cicatricial ectropion C15.5 Correction of cicatricial entropion C15.8 Other specified C15.9 Unspecified
C16Other plastic repair of eyelid Excludes: Protective tarsorrhaphy (C20)
C16.1 Central tarsorrhaphy C16.2 Lateral tarsorrhaphy C16.3 Medial tarsorrhaphy C16.4 Tarsorrhaphy NEC C16.5 Revision of tarsorrhaphy C16.8 Other specified C16.9 Unspecified
C17Other repair of eyelid Includes: Skin of eyelid
Note: Codes from Chapter S may be used to enhance these codes
C17.1 Suture of eyelid Excludes: Protective suture of eyelid (C20)
C17.2 Recession of upper eyelid HFQ C17.3 Recession of lower eyelid HFQ C17.8 Other specified C17.9 Unspecified
C18Correction of ptosis of eyelid C18.1 Correction of ptosis of eyelid using levator muscle technique C18.2 Correction of ptosis of eyelid using frontalis muscle technique C18.3 Correction of ptosis of eyelid using sling of fascia C18.4 Correction of ptosis of eyelid using superior rectus muscle technique C18.5 Tarsomullerectomy C18.6 Correction of ptosis of eyelid using aponeurosis technique C18.8 Other specified C18.9 Unspecified
C19Incision of eyelid Includes: Skin of eyelid
Note: Codes from Chapter S may be used to enhance these codes
C19.1 Drainage of lesion of eyelid C19.8 Other specified C19.9 Unspecified
C20Protective suture of eyelid Includes: Protective tarsorrhaphy
C20.1 Complete protective suture of eyelid C20.2 Central protective suture of eyelid C20.3 Lateral protective suture of eyelid C20.4 Medial protective suture of eyelid C20.5 Removal of protective suture from eyelid C20.8 Other specified C20.9 Unspecified
C22Other operations on eyelid Includes: Skin of eyelid
Note: Principal category, extended at C23 Codes from Chapter S may be used to enhance these codes
C22.1 Avulsion of nerve of eyelid C22.2 Biopsy of lesion of eyelid Includes: Biopsy of eyelid
C22.3 Removal of foreign body from eyelid C22.4 Injection into eyelid C22.5 Exploration of eyelid C22.6 Epilation of eyelash C22.7 Denervation of nerve of eyelid C22.8 Other specified C22.9 Unspecified
Note: Principal C22 Codes from Chapter S may be used to enhance these codes
C23.1 Insertion of weight into upper eyelid Includes: Insertion of gold weight into upper eyelid Insertion of platinum chain into upper eyelid
C23.2 Renewal of weight into upper eyelid Includes: Renewal of gold weight into upper eyelid Renewal of platinum chain into upper eyelid
C23.3 Removal of weight from upper eyelid Includes: Removal of gold weight from upper eyelid Removal of platinum chain from upper eyelid
C23.8 Other specified C23.9 Unspecified
C24Operations on lacrimal gland C24.1 Excision of lacrimal gland C24.2 Radiotherapy to lacrimal gland Note: Use an additional code to specify radiotherapy delivery (X65)
C24.3 Destruction of lacrimal gland NEC C24.4 Biopsy of lesion of lacrimal gland Includes: Biopsy of lacrimal gland
C24.5 Incision of lacrimal gland C24.8 Other specified C24.9 Unspecified
C25Connection between lacrimal apparatus and nose C25.1 Canaliculodacryocystorhinostomy C25.2 Conjunctivodacryocystorhinostomy C25.3 Dacryocystorhinostomy and insertion of tube HFQ C25.4 Dacryocystorhinostomy NEC C25.5 Revision of anastomosis between lacrimal apparatus and nose C25.8 Other specified C25.9 Unspecified
C26Other operations on lacrimal sac C26.1 Excision of lacrimal sac C26.2 Destruction of lesion of lacrimal sac C26.3 Biopsy of lesion of lacrimal sac Includes: Biopsy of lacrimal sac
C26.4 Incision of lacrimal sac C26.8 Other specified C26.9 Unspecified
C27Operations on nasolacrimal duct C27.1 Drainage of nasolacrimal duct Includes: Insertion of tube into nasolacrimal duct Insertion of canalicular stent
C27.2 Dilation of nasolacrimal duct C27.3 Irrigation of nasolacrimal duct Includes: Syringing of nasolacrimal duct
C27.4 Removal of tube from nasolacrimal duct C27.5 Probing of nasolacrimal duct NEC C27.8 Other specified C27.9 Unspecified
C29Other operations on lacrimal apparatus C29.1 Repair of canaliculus C29.2 Enlargement of lacrimal punctum C29.3 Occlusion of lacrimal punctum Includes: Insertion of punctal plug
C29.4 Marsupialisation of canaliculus C29.5 Canaliculotomy C29.8 Other specified C29.9 Unspecified
C31Combined operations on muscles of eye Note: Use an additional code for insertion of adjustable suture into muscle of eye (C35.3)
C31.1 Recession of medial rectus muscle and resection of lateral rectus muscle of eye C31.2 Bilateral recession of medial recti muscles of eyes C31.3 Bilateral resection of medial recti muscles of eyes C31.4 Bilateral recession of lateral recti muscles of eyes C31.5 Bilateral resection of lateral recti muscles of eyes C31.6 Recession of lateral rectus muscle and resection of medial rectus muscle of eye C31.8 Other specified C31.9 Unspecified
C32Recession of muscle of eye Excludes: Combined operations on muscles of eye (C31)
Note: Use an additional code for insertion of adjustable suture into muscle of eye (C35.3)
C32.1 Recession of medial rectus muscle of eye NEC C32.2 Recession of lateral rectus muscle of eye NEC C32.3 Recession of superior rectus muscle of eye C32.4 Recession of inferior rectus muscle of eye C32.5 Recession of superior oblique muscle of eye C32.6 Recession of inferior oblique muscle of eye C32.7 Recession of combinations of muscles of eye C32.8 Other specified C32.9 Unspecified
C33Resection of muscle of eye Includes: Advancement of muscle of eye Plication of muscle of eye Tucking of muscle of eye
Excludes: Combined operations on muscles of eye (C31)
Note: Use an additional code for insertion of adjustable suture into muscle of eye (C35.3)
C33.1 Resection of medial rectus muscle of eye NEC C33.2 Resection of lateral rectus muscle of eye NEC C33.3 Resection of superior rectus muscle of eye C33.4 Resection of inferior rectus muscle of eye C33.5 Resection of superior oblique muscle of eye C33.6 Resection of inferior oblique muscle of eye C33.7 Resection of combinations of muscles of eye C33.8 Other specified C33.9 Unspecified
C34Partial division of tendon of muscle of eye Note: Use an additional code for insertion of adjustable suture into muscle of eye (C35.3)
C34.1 Tenotomy of medial rectus muscle of eye C34.2 Tenotomy of lateral rectus muscle of eye C34.3 Tenotomy of superior rectus muscle of eye C34.4 Tenotomy of inferior rectus muscle of eye C34.5 Tenotomy of superior oblique muscle of eye C34.6 Tenotomy of inferior oblique muscle of eye C34.7 Tenotomy of combinations of muscles of eye C34.8 Other specified C34.9 Unspecified Includes: Tenotomy of muscle of eye NEC
C35Other adjustment to muscle of eye C35.1 Transposition of muscle of eye NEC C35.2 Lengthening of muscle of eye by muscle slide C35.3 Insertion of adjustable suture into muscle of eye Note: Use as an additional code when associated with concurrent procedures on muscle of the eye (C31-C37)
C35.8 Other specified C35.9 Unspecified
C37Other operations on muscle of eye Note: Use an additional code for insertion of adjustable suture into muscle of eye (C35.3)
C37.1 Excision of lesion of muscle of eye C37.2 Freeing of adhesions of muscle of eye C37.3 Biopsy of lesion of muscle of eye Includes: Biopsy of muscle of eye
C37.4 Repair of muscle of eye NEC C37.8 Other specified C37.9 Unspecified
C39Extirpation of lesion of conjunctiva C39.1 Excision of lesion of conjunctiva C39.2 Cauterisation of lesion of conjunctiva C39.3 Cryotherapy to lesion of conjunctiva C39.4 Curettage of lesion of conjunctiva C39.5 Radiotherapy to lesion of conjunctiva Note: Use an additional code to specify radiotherapy delivery (X65)
C39.8 Other specified C39.9 Unspecified
C40Repair of conjunctiva C40.1 Mucosal graft to conjunctiva C40.2 Amniotic graft to conjunctiva C40.3 Sliding graft to conjunctiva C40.4 Prosthetic replacement of conjunctiva C40.5 Suture of conjunctiva C40.8 Other specified C40.9 Unspecified
C41Incision of conjunctiva C41.1 Peritomy C41.8 Other specified C41.9 Unspecified
C43Other operations on conjunctiva C43.1 Division of adhesions of conjunctiva C43.2 Biopsy of lesion of conjunctiva Includes: Biopsy of conjunctiva
C43.3 Removal of foreign body from conjunctiva C43.4 Subconjunctival injection Excludes: Injection of bleb (C65.2)
C43.5 Exploration of conjunctiva C43.6 Creation of hood of conjunctiva C43.7 Transplantation of conjunctiva C43.8 Other specified C43.9 Unspecified
C45Extirpation of lesion of cornea C45.1 Superficial keratectomy Includes: Laser keratectomy
Note: For laser keratectomy use a subsidiary code to identify laser modification of organ (Y08.5)
C45.2 Excision of lesion of cornea NEC C45.3 Cauterisation of lesion of cornea C45.4 Cryotherapy to lesion of cornea C45.5 Radiotherapy to lesion of cornea Note: Use an additional code to specify radiotherapy delivery (X65)
C45.6 Destruction of lesion of cornea NEC C45.7 Debridement of lesion of cornea C45.8 Other specified C45.9 Unspecified
C46Plastic operations on cornea Note: Principal category, extended at C44
C46.1 Refractive keratoplasty C46.2 Lamellar graft to cornea NEC Includes: Lamellar keratoplasty NEC
C46.3 Penetrating graft to cornea Includes: Penetrating keratoplasty
C46.4 Insertion of prosthesis into cornea Excludes: Insertion of therapeutic contact lens (C51.5)
C46.5 Deep lamellar graft to cornea Includes: Deep lamellar keratoplasty
C46.6 Amniotic membrane graft to cornea C46.7 Transplant of corneal limbal cells Note: Use a subsidiary code to identify type of graft (Y27)
C46.8 Other specified C46.9 Unspecified
C47Closure of cornea C47.1 Suture of cornea C47.2 Adjustment to suture of cornea C47.3 Removal of suture from cornea C47.4 Gluing of cornea C47.8 Other specified C47.9 Unspecified
C48Removal of foreign body from cornea C48.1 Surgical removal of foreign body from cornea C48.2 Magnetic extraction of foreign body from cornea C48.8 Other specified C48.9 Unspecified
C49Incision of cornea C49.1 Section of cornea C49.2 Trephine of cornea C49.3 Radial keratotomy C49.8 Other specified C49.9 Unspecified
C51Other operations on cornea C51.1 Biopsy of lesion of cornea Includes: Biopsy of cornea
C51.2 Chelation of cornea C51.3 Exploration of cornea C51.4 Tattooing of cornea C51.5 Placement of therapeutic contact lens on to cornea Includes: Insertion of therapeutic contact lens
C51.6 Topography evaluation of cornea Includes: Corneal topography Photokeratoscopy Videokeratography
C51.8 Other specified C51.9 Unspecified
C52Excision of sclera Excludes: Excision of lesion of sclera NEC (C53.2)
C52.1 Deep sclerectomy with spacer C52.2 Deep sclerectomy without spacer Includes: Deep sclerectomy NEC
C52.8 Other specified C52.9 Unspecified
C53Extirpation of lesion of sclera C53.1 Punch resection of sclera C53.2 Excision of lesion of sclera NEC C53.3 Cauterisation of lesion of sclera C53.4 Destruction of lesion of sclera NEC C53.8 Other specified C53.9 Unspecified
C54Buckling operations for attachment of retina C54.1 Overlay scleroplasty C54.2 Imbrication of sclera C54.3 Buckling of sclera and implant HFQ C54.4 Buckling of sclera and local or encircling explant HFQ Includes: Buckling of sclera using tyres, bands or plombs
C54.5 Buckling of sclera NEC C54.6 Removal of implant or explant from sclera C54.7 Maintenance of implant or explant in sclera Includes: Renewal of implant or explant in sclera Revision of implant or explant in sclera
C54.8 Other specified C54.9 Unspecified
C55Incision of sclera C55.1 Drainage of lesion of sclera C55.2 Corneoscleral trephine C55.3 Drainage of subretinal fluid through sclera Excludes: Drainage of subretinal fluid through retina (C84.5)
C55.4 Expansion of sclera C55.8 Other specified C55.9 Unspecified Includes: Sclerotomy NEC
C57Other operations on sclera C57.1 Biopsy of lesion of sclera Includes: Biopsy of sclera
C57.2 Repair of sclera C57.3 Graft to sclera C57.4 Suture of sclera C57.8 Other specified C57.9 Unspecified
C59Excision of iris C59.1 Iridocyclectomy C59.2 Surgical iridectomy Includes: Iridectomy NEC
C59.8 Other specified C59.9 Unspecified
C60Filtering operations on iris C60.1 Trabeculectomy C60.2 Inclusion of iris C60.3 Fixation of iris C60.4 Iridoplasty NEC Includes: Pupilloplasty
C60.5 Insertion of tube into anterior chamber of eye to assist drainage of aqueous humour C60.6 Viscocanulostomy C60.8 Other specified C60.9 Unspecified
C61Other operations on trabecular meshwork of eye C61.1 Laser trabeculoplasty C61.2 Trabeculotomy C61.3 Goniotomy C61.4 Goniopuncture C61.5 Viscogonioplasty Note: Use as a supplementary code when associated with concurrent extraction of lens (C71-C74)
C61.8 Other specified C61.9 Unspecified
C62Incision of iris C62.1 Iridosclerotomy C62.2 Surgical iridotomy Includes: Iridotomy NEC
C62.3 Laser iridotomy C62.4 Correction iridodialysis NEC C62.8 Other specified C62.9 Unspecified
C64Other operations on iris C64.1 Excision of prolapsed iris C64.2 Excision of lesion of iris C64.3 Destruction of lesion of iris C64.4 Biopsy of lesion of iris Includes: Biopsy of iris
C64.5 Removal of foreign body from iris C64.6 Stretching of iris C64.7 Insertion of iris hooks Note: Use as a supplementary code when associated with concurrent extraction of lens (C71-C74)
C64.8 Other specified C64.9 Unspecified
C65Operations following glaucoma surgery C65.1 Needling of bleb C65.2 Injection of bleb C65.3 Revision of bleb NEC C65.4 Removal of releasable suture following glaucoma surgery C65.5 Laser suture lysis following glaucoma surgery C65.8 Other specified C65.9 Unspecified
C66Extirpation of ciliary body C66.1 Excision of ciliary body Includes: Excision of lesion of ciliary body
C66.2 Cauterisation of ciliary body C66.3 Cryotherapy to ciliary body C66.4 Laser photocoagulation of ciliary body C66.5 Destruction of ciliary body NEC C66.8 Other specified C66.9 Unspecified
C67Other operations on ciliary body C67.1 Separation of ciliary body Includes: Cyclodialysis
C67.8 Other specified C67.9 Unspecified
C69Other operations on anterior chamber of eye C69.1 Reformation of anterior chamber of eye C69.2 Paracentesis of anterior chamber of eye C69.3 Injection into anterior chamber of eye C69.4 Irrigation of anterior chamber of eye Includes: Washout of anterior chamber of eye
C69.8 Other specified C69.9 Unspecified
C71Extracapsular extraction of lens Note: Use as an additional code when associated with concurrent insertion of prosthetic replacement for lens (C75.1) Use a supplementary code for concurrent insertion of iris hooks (C64.7) Use a supplementary code for concurrent insertion of capsule tension ring (C77.6)
C71.1 Simple linear extraction of lens Includes: Needling of lens for cataract
C71.2 Phacoemulsification of lens C71.3 Aspiration of lens C71.8 Other specified C71.9 Unspecified
C72Intracapsular extraction of lens Note: Use as an additional code when associated with concurrent insertion of prosthetic replacement for lens (C75.1) Use a supplementary code for concurrent insertion of iris hooks (C64.7) Use a supplementary code for concurrent insertion of capsule tension ring (C77.6)
C72.1 Forceps extraction of lens C72.2 Suction extraction of lens C72.3 Cryoextraction of lens C72.8 Other specified C72.9 Unspecified
C73Incision of capsule of lens Note: Use as an additional code when associated with concurrent insertion of prosthetic replacement for lens (C75.1) Use a supplementary code for concurrent insertion of iris hooks (C64.7) Use a supplementary code for concurrent insertion of capsule tension ring (C77.6) Use a subsidiary code to identify laser incision of organ (Y08.6)
C73.1 Membranectomy of lens C73.2 Capsulotomy of anterior lens capsule C73.3 Capsulotomy of posterior lens capsule C73.4 Capsulotomy of lens NEC C73.8 Other specified C73.9 Unspecified
C74Other extraction of lens Note: Use as an additional code when associated with concurrent insertion of prosthetic replacement for lens (C75.1) Use a supplementary code for concurrent insertion of iris hooks (C64.7) Use a supplementary code for concurrent insertion of capsule tension ring (C77.6)
C74.1 Curettage of lens C74.2 Discission of cataract C74.3 Mechanical lensectomy Includes: Pars plana lensectomy
C74.8 Other specified C74.9 Unspecified
C75Prosthesis of lens Excludes: Placement of therapeutic contact lens on to cornea (C51.5)
Note: Use a supplementary code to identify method of concurrent extraction of lens (C71-C74)
C75.1 Insertion of prosthetic replacement for lens NEC C75.2 Revision of prosthetic replacement for lens C75.3 Removal of prosthetic replacement for lens C75.4 Insertion of prosthetic replacement for lens using suture fixation Includes: Suture fixation of lens implant
C75.8 Other specified C75.9 Unspecified
C77Other operations on lens C77.1 Capsulectomy C77.2 Couching of lens C77.3 Biopsy of lesion of lens Includes: Biopsy of lens
C77.4 Surgical removal of foreign body from lens C77.5 Magnetic extraction of foreign body from lens C77.6 Insertion of capsule tension ring Note: Use as a supplementary code when associated with concurrent extraction of lens (C71-C74)
C77.8 Other specified C77.9 Unspecified
C79Operations on vitreous body C79.1 Vitrectomy using anterior approach Includes: Destruction of vitreous body using anterior approach
Note: Use a supplementary code for concurrent tamponade of retina (C79.5, C79.6)
C79.2 Vitrectomy using pars plana approach Includes: Vitrectomy NEC Destruction of vitreous body using pars plana approach Destruction of vitreous body NEC
Note: Use a supplementary code for concurrent tamponade of retina (C79.5, C79.6)
C79.3 Injection of vitreous substitute into vitreous body NEC Excludes: Internal tamponade of retina using gas (C79.5) Internal tamponade of retina using liquid (C79.6)
C79.4 Injection into vitreous body NEC C79.5 Internal tamponade of retina using gas Includes: Internal tamponade of retina using air
Note: Use as a secondary code when associated with vitrectomy (C79.1, C79.2)
C79.6 Internal tamponade of retina using liquid Includes: Internal tamponade of retina using oil or heavy liquids
Note: Use as a secondary code when associated with vitrectomy (C79.1, C79.2)
C79.7 Removal of internal tamponade agent from vitreous body C79.8 Other specified C79.9 Unspecified
C80Operations on retinal membrane Includes: Macula
Excludes: Epiretinal dissection (C84.1) Excision of lesion of retina NEC (C84.2)
C80.1 Peel of epiretinal fibroglial membrane Includes: Peel of epiretinal membrane
C80.2 Peel of internal limiting membrane C80.3 Delamination of epiretinal fibrovascular membrane C80.4 Segmentation of epiretinal fibrovascular membrane C80.5 Removal of subretinal vascular membrane C80.6 Removal of subretinal membrane NEC Includes: Removal of subretinal band
C80.8 Other specified C80.9 Unspecified
C81Photocoagulation of retina for detachment C81.1 Xenon photocoagulation of retina for detachment C81.2 Laser photocoagulation of retina for detachment Includes: Laser retinopexy for detachment
C81.8 Other specified C81.9 Unspecified
C82Destruction of lesion of retina Includes: Destruction of retina
C82.1 Cauterisation of lesion of retina Includes: Photocoagulation of lesion of retina NEC Electrocoagulation of lesion of retina NEC
C82.2 Cryotherapy to lesion of retina C82.3 External beam radiotherapy to lesion of retina Includes: Radiotherapy to lesion of retina NEC
Note: Use an additional code to specify radiotherapy delivery (X65)
C82.4 Plaque radiotherapy to lesion of retina Note: Use an additional code to specify radiotherapy delivery (X65)
C82.5 Panretinal laser photocoagulation to lesion of retina Excludes: Laser photocoagulation of retina for detachment (C81.2)
Note: Panretinal applies when more than a quadrant of the retina is treated
C82.6 Laser photocoagulation to lesion of retina NEC Excludes: Laser photocoagulation of retina for detachment (C81.2)
C82.8 Other specified C82.9 Unspecified
C83Translocation of retina Includes: Pigment epithelium Macula
C83.1 Pigment epithelium translocation of retina C83.2 Macular translocation three hundred and sixty degrees C83.3 Limited macular translocation Includes: Macular translocation NEC
C83.8 Other specified C83.9 Unspecified
C84Other operations on retina Includes: Choroid
C84.1 Epiretinal dissection Excludes: Operations on retinal membrane (C80)
C84.2 Excision of lesion of retina NEC C84.3 Biopsy of lesion of retina Includes: Biopsy of retina
C84.4 Retinal vascular sheathotomy C84.5 Drainage of subretinal fluid through retina Excludes: Drainage of subretinal fluid through sclera (C55.3)
C84.6 Retinotomy NEC Includes: Relieving retinectomy
C84.8 Other specified C84.9 Unspecified
C85Fixation of retina Excludes: Laser retinopexy for retinal detachment (C81.2)
C85.1 Retinopexy using cryotherapy C85.2 Retinopexy using diathermy C85.3 Retinopexy using mechanical tacks C85.4 Retinopexy using tissue adhesive C85.5 Retinopexy NEC C85.8 Other specified C85.9 Unspecified
C86Other operations on eye C86.1 Biopsy of lesion of eye NEC Includes: Biopsy of eye NEC
C86.2 Repair of globe Includes: Repair of penetrating injury to eye
C86.3 Suture of eye NEC C86.4 Removal of foreign body from eye NEC C86.5 Fluorescein angiography of eye Includes: Fluorescein angiography of retina
C86.6 Examination of eye under anaesthetic C86.7 Injection of therapeutic substance around the eye Includes: Peribulbar injection of therapeutic substance Subtenons injection of therapeutic substance
Excludes: Retrobulbar injection into orbit (C08.4) Subconjunctival injection (C43.4) Injection into posterior segment of eye (C89.3)
C86.8 Other specified C86.9 Unspecified
C87Evaluation of retina Excludes: Examination of eye under anaesthetic (C86.6) Fluorescein angiography of eye (C86.5) Electro-oculography (A82.2) Electroretinography (A84.5)
C87.1 Digital imaging of retina C87.2 Indocyanine angiography evaluation of retina C87.3 Tomography evaluation of retina C87.4 Ultrasonic evaluation of retina C87.5 Scanning laser ophthalmoscopy evaluation of retina C87.8 Other specified C87.9 Unspecified
C88Destruction of subretinal lesion C88.1 Transpupillary thermotherapy to subretinal lesion Includes: Transpupillary thermotherapy to retinal lesion
C88.2 Photodynamic therapy to subretinal lesion Includes: Photodynamic therapy to retinal lesion
C88.8 Other specified C88.9 Unspecified
C89Operations on posterior segment of eye Note: Operations on named sites within the posterior segment are usually classified elsewhere
C89.1 Insertion of sustained release device into posterior segment of eye C89.2 Injection of steroid into posterior segment of eye C89.3 Injection of therapeutic substance into posterior segment of eye NEC Excludes: Injection of therapeutic substance around the eye (C86.7)
C89.8 Other specified C89.9 Unspecified
C90Local anaesthetics for ophthalmology procedures