Y37.521 — Military operations involving indirect blast effect of nuclear weapon, civilian
Is Y37.521 billable?
No — Y37.521 is a non-billable header code. Y37.521 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath Y37.521.
Billable codes under this header
- Y37.521AMilitary operations involving indirect blast effect of nuclear weapon, civilian, initial encounter
- Y37.521DMilitary operations involving indirect blast effect of nuclear weapon, civilian, subsequent encounter
- Y37.521SMilitary operations involving indirect blast effect of nuclear weapon, civilian, sequela
Y37.521 at a glance
| Code | Y37.521 |
|---|---|
| Description | Military operations involving indirect blast effect of nuclear weapon, civilian |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is Y37.521 listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y37.52, the nearest indexed parent of Y37.521. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Military operations › nuclear weapon › indirect blast (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 › indirect blast (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 Y37.521 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.-)
What codes fall under Y37.521? (3)
- Y37.521AMilitary operations involving indirect blast effect of nuclear weapon, civilian, initial encounter
- Y37.521DMilitary operations involving indirect blast effect of nuclear weapon, civilian, subsequent encounter
- Y37.521SMilitary operations involving indirect blast effect of nuclear weapon, civilian, sequela
How long has Y37.521 existed?
Y37.521 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.