Y36.90XS — War operations, unspecified, sequela
Is Y36.90XS billable?
Yes, but Y36.90XS is an unspecified code. Y36.90XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y36.90XS 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 Y36.90XS — the more specific alternatives are listed below.
More specific alternatives
- Y36.000SWar operations involving explosion of unspecified marine weapon, military personnel, sequela
- Y36.100SWar operations involving unspecified destruction of aircraft, military personnel, sequela
- Y36.200SWar operations involving unspecified explosion and fragments, military personnel, sequela
- Y36.300SWar operations involving unspecified fire, conflagration and hot substance, military personnel, sequela
- Y36.410SWar operations involving rubber bullets, military personnel, sequela
- Y36.500SWar operations involving unspecified effect of nuclear weapon, military personnel, sequela
- Y36.6X0SWar operations involving biological weapons, military personnel, sequela
- Y36.7X0SWar operations involving chemical weapons and other forms of unconventional warfare, military personnel, sequela
- Y36.810SExplosion of mine placed during war operations but exploding after cessation of hostilities, military personnel, sequela
- Y36.A1XSLow level blast overpressure in war operations, sequela
Y36.90XS at a glance
| Code | Y36.90XS |
|---|---|
| Description | War 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 Y36.90XS?
In Y36.90XS, the 7th character S means sequela. The 7th character is required for Y36.90XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y36.90XS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y36.90, the nearest indexed parent of Y36.90XS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- War operations (injuries to military personnel and civilians during war, civil insurrection and peacekeeping missions) (by) (from) (involving)
- WoundNEC › battle (accidental)
Excludes1 — never code together — inherited from Y36
The conditions below can never be reported together with Y36.90XS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
How long has Y36.90XS existed?
Y36.90XS 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.