Y36.500D — War operations involving unspecified effect of nuclear weapon, military personnel, subsequent encounter
Is Y36.500D billable?
Yes, but Y36.500D is an unspecified code. Y36.500D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y36.500D 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 Y36.500D — the more specific alternatives are listed below.
More specific alternatives
- Y36.510DWar operations involving direct blast effect of nuclear weapon, military personnel, subsequent encounter
- Y36.520DWar operations involving indirect blast effect of nuclear weapon, military personnel, subsequent encounter
- Y36.530DWar operations involving thermal radiation effect of nuclear weapon, military personnel, subsequent encounter
- Y36.540DWar operation involving nuclear radiation effects of nuclear weapon, military personnel, subsequent encounter
- Y36.590DWar operation involving other effects of nuclear weapons, military personnel, subsequent encounter
Y36.500D at a glance
| Code | Y36.500D |
|---|---|
| Description | War operations involving unspecified effect of nuclear weapon, military personnel, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in Y36.500D?
In Y36.500D, the 7th character D means subsequent encounter. The 7th character is required for Y36.500D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y36.500D listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y36.50, the nearest indexed parent of Y36.500D. 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 Y36.500D 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 Y36.500D existed?
Y36.500D 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.