Y36.391A — War operations involving other fires, conflagrations and hot substances, civilian, initial encounter
Is Y36.391A billable?
Yes — Y36.391A is billable for FY2027. Y36.391A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Y36.391A may be submitted for encounters from October 1, 2026 through September 30, 2027.
Y36.391A at a glance
| Code | Y36.391A |
|---|---|
| Description | War operations involving other fires, conflagrations and hot substances, civilian, 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 Y36.391A?
In Y36.391A, the 7th character A means initial encounter. The 7th character is required for Y36.391A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y36.391A listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y36.39, the nearest indexed parent of Y36.391A. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- War operations › fire › specified NEC (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 Y36.391A 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 Y36.391A 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 Y36.391A existed?
Y36.391A 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.