X08.8XXS — Exposure to other specified smoke, fire and flames, sequela
Is X08.8XXS billable?
Yes, but X08.8XXS is an unspecified code. X08.8XXS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, X08.8XXS 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 X08.8XXS.
X08.8XXS at a glance
| Code | X08.8XXS |
|---|---|
| Description | Exposure to other specified smoke, fire and flames, 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 X08.8XXS?
In X08.8XXS, the 7th character S means sequela. The 7th character is required for X08.8XXS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is X08.8XXS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under X08.8, the nearest indexed parent of X08.8XXS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Ignition (accidental)
- Burn, burned, burning › blowtorch (accidental) (by) (from) (on)
- Burn, burned, burning › candle (accidental) (by) (from) (on)
- Burn, burned, burning › cigar (accidental) (by) (from) (on)
- Burn, burned, burning › lamp (accidental) (by) (from) (on)
- Burn, burned, burning › lighter (accidental) (by) (from) (on)
- Burn, burned, burning › matches (accidental) (by) (from) (on)
- Burn, burned, burning › torch, welding (accidental) (by) (from) (on)
Excludes1 — never code together — inherited from X00-X08
The conditions below can never be reported together with X08.8XXS 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 X08.8XXS, but a patient may have both at the same time. When documentation supports it, X08.8XXS and the excluded code may both be reported.
How long has X08.8XXS existed?
X08.8XXS 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.