ICD-11 classes
08 Diseases of the nervous system
Disorders of nerve root, plexus or peripheral nerves
9C40 — Disorder of the optic nerve
9C40.A — Optic disc swelling
ICD-11 9C40.A — Optic disc swelling
This refers to swelling in the location where ganglion cell axons exit the eye to form the optic nerve. There are no light sensitive rods or cones to respond to a light stimulus at this point.
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code 9C40.A contains 4 clarifying diagnoses:
- 9C40.A0 — Papilloedema
- 9C40.A1 — Optic disc swelling associated with uveitis
- 9C40.AY — Other specified optic disc swelling
- 9C40.AZ — Optic disc swelling, unspecified
The diagnosis is coded elsewhere:
- Disorder of the optic nerve #9776
- Optic disc swelling #9804