T75.838A — Effects of other war theater, initial encounter
T75.838A is a billable, specific ICD-10-CM code for effects of other war theater, 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 T75
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
T75.838A 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
T75.838A is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56612Billing and Coding: CT of the Head
Code history
What changed, and when. Derived by diffing consecutive CMS release files — which matters when you are defending a code assigned under an earlier edition.
- addedFY2024-FY2026
Effects of other war theater, initial encounter
Related codes at this level
Codes that share T75.838. If T75.838A is not quite right, the correct code is usually one of these.
Questions about T75.838A
- Is T75.838A a billable ICD-10-CM code?
- Yes. T75.838A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does T75.838A sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Other and unspecified effects of external causes (T66-T78).