X05.XXXA — Exposure to ignition or melting of nightwear, initial encounter
Is X05.XXXA billable?
Yes — X05.XXXA is billable for FY2027. X05.XXXA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. X05.XXXA may be submitted for encounters from October 1, 2026 through September 30, 2027.
X05.XXXA at a glance
| Code | X05.XXXA |
|---|---|
| Description | Exposure to ignition or melting of nightwear, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is X05.XXXA listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under X05, the nearest indexed parent of X05.XXXA. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Burn, burned, burning › nightwear (accidental) (by) (from) (on)
- Ignition › nightwear (accidental)
- Melting › nightwear (due to fire)
- Ignition › apparel › nightwear (accidental)
- Melting › clothes, clothing NEC › nightwear (due to fire)
- Burn, burned, burning › blowtorch › with ignition of clothing NEC › nightwear (accidental) (by) (from) (on)
- Burn, burned, burning › candle › with ignition of clothing NEC › nightwear (accidental) (by) (from) (on)
- Burn, burned, burning › cigar › with ignition of clothing NEC › nightwear (accidental) (by) (from) (on)
Excludes2 — not included here
The conditions below are not part of X05.XXXA, but a patient may have both at the same time. When documentation supports it, X05.XXXA and the excluded code may both be reported.
- exposure to uncontrolled fire in building or structure (X00.-)
- exposure to uncontrolled fire, not in building or structure (X01.-)
- exposure to controlled fire in building or structure (X02.-)
- exposure to controlled fire, not in building or structure (X03.-)
- exposure to ignition of highly flammable materials (X04.-)
Excludes1 — never code together — inherited from X00-X08
The conditions below can never be reported together with X05.XXXA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- arson (X97)
Excludes2 — not included here — inherited from X00-X08
The conditions below are not part of X05.XXXA, but a patient may have both at the same time. When documentation supports it, X05.XXXA and the excluded code may both be reported.
Excludes2 — not included here — inherited from X05
The conditions below are not part of X05.XXXA, but a patient may have both at the same time. When documentation supports it, X05.XXXA and the excluded code may both be reported.
- exposure to uncontrolled fire in building or structure (X00.-)
- exposure to uncontrolled fire, not in building or structure (X01.-)
- exposure to controlled fire in building or structure (X02.-)
- exposure to controlled fire, not in building or structure (X03.-)
- exposure to ignition of highly flammable materials (X04.-)
How long has X05.XXXA existed?
X05.XXXA 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.