S04.049A

Injury of visual cortex, unspecified side, initial encounter

Billable FY2026 2025-10-01 → 2026-09-30

This is the unspecified option. 2 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.

Exclusions 11 never code together

S00-S09block

Excludes2

burns and corrosions (T20-T32)T20-T32
effects of foreign body in ear (T16)T16
effects of foreign body in larynx (T17.3)T17.3
effects of foreign body in mouth NOS (T18.0)T18.0
effects of foreign body in nose (T17.0-T17.1)T17.0-T17.1
effects of foreign body in pharynx (T17.2)T17.2
effects of foreign body on external eye (T15.-)T15.-
frostbite (T33-T34)T33-T34
insect bite or sting, venomous (T63.4)T63.4

S00-T88chapter

Excludes2

birth trauma (P10-P15)P10-P15
obstetric trauma (O70-O71)O70-O71

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 3

A initial encounter this code

D subsequent encounter

S sequela

Instructional notes 22

S04code

Inclusion terms

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

Code first

any associated intracranial injury (S06.-)S06.-

Code also

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

S04.0code

Use additional code

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

S00-S09block

Includes

injuries of ear
injuries of eye
injuries of face [any part]
injuries of gum
injuries of jaw
injuries of oral cavity
injuries of palate
injuries of periocular area
injuries of scalp
injuries of temporomandibular joint area
injuries of tongue
injuries of tooth

Code also

for any associated infection

S00-T88chapter

Notes

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Use additional code

code to identify any retained foreign body, if applicable (Z18.-)Z18.-

Index entries leading here 1

Injury T14.90
- visual cortex S04.04

Alongside this code 2 same parent — S04.049

S04.049D Injury of visual cortex, unspecified side, subs S04.049S Injury of visual cortex, unspecified side, sequela

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: S04.049
Block: S00-S09
Siblings: 2

Present FY2024–FY2027.