ICD-11 classes
09 Diseases of the visual system
Disorders of the visual pathways or centres
9C40 — Disorder of the optic nerve

ICD-11 9C40 — Disorder of the optic nerve

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 9C40 contains 17 clarifying diagnoses:

1. 9C40.0 — Infectious optic neuropathy
2. 9C40.1 — Optic neuritis
   It contains 4 clarifying diagnoses.
3. 9C40.2 — Neuroretinitis
4. 9C40.3 — Perineuritis of optic nerve
5. 9C40.4 — Ischaemic optic neuropathy
   It contains 4 clarifying diagnoses.
6. 9C40.5 — Compressive optic neuropathy
7. 9C40.6 — Infiltrative optic neuropathy
8. 9C40.7 — Traumatic optic neuropathy
9. 9C40.8 — Hereditary optic neuropathy
10. 9C40.9 — Glaucomatous optic neuropathy
11. 9C40.A — Optic disc swelling
    It contains 4 clarifying diagnoses.
12. 9C40.B — Optic atrophy
    It contains 3 clarifying diagnoses.
13. LA13.7 — Congenital malformation of optic disc
    It contains 8 clarifying diagnoses.
14. NA04.10 — Injury of optic nerve, unilateral
    It contains 1 clarifying diagnosis.
15. 2A02.12 — Malignant neoplasm of the optic nerve
16. 9C40.Y — Other specified disorder of the optic nerve
17. 9C40.Z — Disorder of the optic nerve, unspecified

The diagnosis is coded elsewhere:

• Disorders of nerve root, plexus or peripheral nerves #7199
• Disorder of the optic nerve #7370