Y37.A — Blast overpressure in military operations
Not billable
Is Y37.A billable?
No — Y37.A is a non-billable header code. Y37.A 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 6 billable codes beneath Y37.A.
Billable codes under this header
- Y37.A1XALow level blast overpressure in military operations, initial encounter
- Y37.A1XDLow level blast overpressure in military operations, subsequent encounter
- Y37.A1XSLow level blast overpressure in military operations, sequela
- Y37.A2XAHigh level blast overpressure in military operations, initial encounter
- Y37.A2XDHigh level blast overpressure in military operations, subsequent encounter
- Y37.A2XSHigh level blast overpressure in military operations, sequela
Y37.A at a glance
| Code | Y37.A |
|---|---|
| Description | Blast overpressure in military operations |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Code also
Two codes may be needed to describe the condition fully. Whether Y37.A is sequenced first depends on the reason for the encounter.
Excludes1 — never code together — inherited from Y37
The conditions below can never be reported together with Y37.A 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.A? (2)
How long has Y37.A existed?
Y37.A first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the Y37 family? (9)
- Y37.0Military operations involving explosion of marine weaponsnot billable
- Y37.1Military operations involving destruction of aircraftnot billable
- Y37.2Military operations involving other explosions and fragmentsnot billable
- Y37.3Military operations involving fires, conflagrations and hot substancesnot billable
- Y37.4Military operations involving firearm discharge and other forms of conventional warfarenot billable
- Y37.5Military operations involving nuclear weaponsnot billable
- Y37.6Military operations involving biological weaponsnot billable
- Y37.7Military operations involving chemical weapons and other forms of unconventional warfarenot billable
- Y37.9Other and unspecified military operationsnot billable