`S04.042S` Injury of visual cortex, left side, sequela

Billable ICD-10-CM code, FY2026.

Built from S04.042 with 7th character S (sequela).

Applies from S04 Injury of cranial nerve

Applicable to

The selection of side should be based on the side of the body being affected

Code first

any associated intracranial injury (S06.-)

Code also

any associated:
open wound of head (S01.-)
skull fracture (S02.-)

7th character note

The appropriate 7th character is to be added to each code from category S04

7th character required

A — initial encounter
D — subsequent encounter
S — sequela

Applies from S04.0 Injury of optic nerve and pathways

Use additional code

code to identify any visual field defect or blindness (H53.4-, H54.-)

Code annotations containing back-references to S04.042S

Back-references to S04.04

Type 1 Excludes: H47.6 Disorders of visual cortex ("injury to visual cortex S04.04-")

Back-references to S04.0

Type 2 Excludes: S05 Injury of eye and orbit ("2nd cranial [optic] nerve injury (S04.0-)")

Back-references to S04

Code Also: G96.00 Cerebrospinal fluid leak, unspecified ("head injury (S00-S09)")
Code Also: G96.08 Other cranial cerebrospinal fluid leak ("head injury (S00 - S09)")
Code Also: G96.09 Other spinal cerebrospinal fluid leak ("head injury (S00 - S09)")
Code Also: S01 Open wound of head ("injury of cranial nerve (S04.-)")

Nearby codes

S04.041D Injury of visual cortex, right side, subsequent encounter
S04.041S Injury of visual cortex, right side, sequela
S04.042 Injury of visual cortex, left side
S04.042A Injury of visual cortex, left side, initial encounter
S04.042D Injury of visual cortex, left side, subsequent encounter
S04.042S Injury of visual cortex, left side, sequela (this code)
S04.049 Injury of visual cortex, unspecified side
S04.049A Injury of visual cortex, unspecified side, initial encounter
S04.049D Injury of visual cortex, unspecified side, subsequent encounter
S04.049S Injury of visual cortex, unspecified side, sequela
S04.1 Injury of oculomotor nerve