Y36.511S — War operations involving direct blast effect of nuclear weapon, civilian, sequela
Y36.511S is a billable, specific ICD-10-CM code for war operations involving direct blast effect of nuclear weapon, civilian, sequela. It is valid for submission on a claim.
7th character "S" — sequela
The appropriate 7th character is to be added to each code from category Y36
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1 inherited from the categories above Y36.511S
These are not written on Y36.511S, but they bind it: a note on a category applies to every code beneath it. Billing Y36.511S with anything listed here is a denial.
Other codes that can never be billed with Y36.511S
These codes carry an Excludes1 note pointing at Y36.511S. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading Y36.511S alone.
Risk adjustment
Y36.511S 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.
Code history
Y36.511S has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share Y36.511. If Y36.511S is not quite right, the correct code is usually one of these.
Questions about Y36.511S
- Is Y36.511S a billable ICD-10-CM code?
- Yes. Y36.511S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Y36.511S sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Legal intervention, operations of war, military operations, and terrorism (Y35-Y38).
- What cannot be coded together with Y36.511S?
- Y36.511S carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Y36.511S (Y36) and apply to it just the same.