S04.049A — Injury of visual cortex, unspecified side, initial encounter
S04.049A is a billable, specific ICD-10-CM code for injury of visual cortex, unspecified side, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category S04
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Injury of visual cortex NOS
Risk adjustment
S04.049A does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
S04.049A is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
- A56551Billing and Coding: Visual Fields Testing
- A57483Billing and Coding: Visual Fields
- A57637Billing and Coding: Visual Field Examination
Related codes at this level
Codes that share S04.049. If S04.049A is not quite right, the correct code is usually one of these.
Questions about S04.049A
- Is S04.049A a billable ICD-10-CM code?
- Yes. S04.049A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S04.049A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).