Y37.90XS — Military operations, unspecified, sequela
Is Y37.90XS billable?
Yes, but Y37.90XS is an unspecified code. Y37.90XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y37.90XS 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 Y37.90XS — the more specific alternatives are listed below.
More specific alternatives
- Y37.000SMilitary operations involving explosion of unspecified marine weapon, military personnel, sequela
- Y37.100SMilitary operations involving unspecified destruction of aircraft, military personnel, sequela
- Y37.200SMilitary operations involving unspecified explosion and fragments, military personnel, sequela
- Y37.300SMilitary operations involving unspecified fire, conflagration and hot substance, military personnel, sequela
- Y37.410SMilitary operations involving rubber bullets, military personnel, sequela
- Y37.500SMilitary operations involving unspecified effect of nuclear weapon, military personnel, sequela
- Y37.6X0SMilitary operations involving biological weapons, military personnel, sequela
- Y37.7X0SMilitary operations involving chemical weapons and other forms of unconventional warfare, military personnel, sequela
- Y37.A1XSLow level blast overpressure in military operations, sequela
Y37.90XS at a glance
| Code | Y37.90XS |
|---|---|
| Description | Military operations, unspecified, 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 Y37.90XS?
In Y37.90XS, the 7th character S means sequela. The 7th character is required for Y37.90XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y37.90XS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y37.90, the nearest indexed parent of Y37.90XS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Military operations (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 Y37.90XS 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 Y37.90XS existed?
Y37.90XS 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.