Y36.500S — War operations involving unspecified effect of nuclear weapon, military personnel, sequela
Is Y36.500S billable?
Yes, but Y36.500S is an unspecified code. Y36.500S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y36.500S is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Y36.500S — the more specific alternatives are listed below.
More specific alternatives
- Y36.510SWar operations involving direct blast effect of nuclear weapon, military personnel, sequela
- Y36.520SWar operations involving indirect blast effect of nuclear weapon, military personnel, sequela
- Y36.530SWar operations involving thermal radiation effect of nuclear weapon, military personnel, sequela
- Y36.540SWar operation involving nuclear radiation effects of nuclear weapon, military personnel, sequela
- Y36.590SWar operation involving other effects of nuclear weapons, military personnel, sequela
Y36.500S at a glance
| Code | Y36.500S |
|---|---|
| Description | War operations involving unspecified effect of nuclear weapon, military personnel, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in Y36.500S?
In Y36.500S, the 7th character S means sequela. The 7th character is required for Y36.500S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y36.500S listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y36.50, the nearest indexed parent of Y36.500S. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- War operations › dirty bomb (injuries to military personnel and civilians during war, civil insurrection and peacekeeping missions) (by) (from) (involving)
- War operations › nuclear weapon (injuries to military personnel and civilians during war, civil insurrection and peacekeeping missions) (by) (from) (involving)
- War operations › bomb › dirty (injuries to military personnel and civilians during war, civil insurrection and peacekeeping missions) (by) (from) (involving)
- War operations › weapons › nuclear (injuries to military personnel and civilians during war, civil insurrection and peacekeeping missions) (by) (from) (involving)
Excludes1 — never code together — inherited from Y36
The conditions below can never be reported together with Y36.500S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
How long has Y36.500S existed?
Y36.500S has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.