Y37.501D — Military operations involving unspecified effect of nuclear weapon, civilian, subsequent encounter
Is Y37.501D billable?
Yes, but Y37.501D is an unspecified code. Y37.501D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y37.501D 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 Y37.501D — the more specific alternatives are listed below.
More specific alternatives
- Y37.510DMilitary operations involving direct blast effect of nuclear weapon, military personnel, subsequent encounter
- Y37.520DMilitary operations involving indirect blast effect of nuclear weapon, military personnel, subsequent encounter
- Y37.530DMilitary operations involving thermal radiation effect of nuclear weapon, military personnel, subsequent encounter
- Y37.540DMilitary operation involving nuclear radiation effects of nuclear weapon, military personnel, subsequent encounter
- Y37.590DMilitary operation involving other effects of nuclear weapons, military personnel, subsequent encounter
Y37.501D at a glance
| Code | Y37.501D |
|---|---|
| Description | Military operations involving unspecified effect of nuclear weapon, civilian, 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 Y37.501D?
In Y37.501D, the 7th character D means subsequent encounter. The 7th character is required for Y37.501D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y37.501D listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y37.50, the nearest indexed parent of Y37.501D. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Military operations › dirty bomb (injuries to military and civilians occuring during peacetime on military property and during routine military exercises and operations) (by) (from) (involving)
- Military operations › nuclear weapon (injuries to military and civilians occuring during peacetime on military property and during routine military exercises and operations) (by) (from) (involving)
- Military operations › bomb › dirty (injuries to military and civilians occuring during peacetime on military property and during routine military exercises and operations) (by) (from) (involving)
- Military operations › weapons › nuclear (injuries to military and civilians occuring during peacetime on military property and during routine military exercises and operations) (by) (from) (involving)
Excludes1 — never code together — inherited from Y37
The conditions below can never be reported together with Y37.501D on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- military aircraft involved in aircraft accident with civilian aircraft (V97.81-)
- military vehicles involved in transport accident with civilian vehicle (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)
- military watercraft involved in water transport accident with civilian watercraft (V94.81-)
- war operations (Y36.-)
How long has Y37.501D existed?
Y37.501D 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.