Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for optic chiasm injury

S04.02

Injury of optic chiasm

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Injury › optic chiasm”. Page updated September 29, 2026.

About coding optic chiasm injury

The ICD-10-CM code for optic chiasm injury is S04.02 (Injury of optic chiasm).

Within S04.0 (injury of optic nerve and pathways), S04.02 is specifically for injury of optic chiasm. Related codes cover optic nerve (S04.01), optic tract and pathways (S04.03) and visual cortex (S04.04).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

Code first: any associated intracranial injury (S06.-).

Common questions about optic chiasm injury ICD-10 codes

What is the ICD-10 code for optic chiasm injury?

S04.02 — Injury of optic chiasm (a header code; report a more specific subcode).

Is S04.02 billable?

No. S04.02 is a header code. Report one of its more specific subcodes instead.