Y36.300A — War operations involving unspecified fire, conflagration and hot substance, military personnel, initial encounter
Is Y36.300A billable?
Yes, but Y36.300A is an unspecified code. Y36.300A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y36.300A 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 Y36.300A — the more specific alternatives are listed below.
More specific alternatives
- Y36.310AWar operations involving gasoline bomb, military personnel, initial encounter
- Y36.320AWar operations involving incendiary bullet, military personnel, initial encounter
- Y36.330AWar operations involving flamethrower, military personnel, initial encounter
- Y36.390AWar operations involving other fires, conflagrations and hot substances, military personnel, initial encounter
Y36.300A at a glance
| Code | Y36.300A |
|---|---|
| Description | War operations involving unspecified fire, conflagration and hot substance, military personnel, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in Y36.300A?
In Y36.300A, the 7th character A means initial encounter. The 7th character is required for Y36.300A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y36.300A listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y36.30, the nearest indexed parent of Y36.300A. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- War operations › fire (injuries to military personnel and civilians during war, civil insurrection and peacekeeping missions) (by) (from) (involving)
Excludes1 — never code together — inherited from Y36
The conditions below can never be reported together with Y36.300A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from Y36.3
The conditions below can never be reported together with Y36.300A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- war operations involving fires and conflagrations aboard military aircraft (Y36.1-)
- war operations involving fires and conflagrations aboard military watercraft (Y36.0-)
- war operations involving fires and conflagrations caused indirectly by conventional weapons (Y36.2-)
- war operations involving fires and thermal effects of nuclear weapons (Y36.53-)
How long has Y36.300A existed?
Y36.300A 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.