X08.21XS — Exposure to other furniture fire due to burning cigarette, sequela
Is X08.21XS billable?
Yes — X08.21XS is billable for FY2027. X08.21XS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. X08.21XS may be submitted for encounters from October 1, 2026 through September 30, 2027.
X08.21XS at a glance
| Code | X08.21XS |
|---|---|
| Description | Exposure to other furniture fire due to burning cigarette, 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 X08.21XS?
In X08.21XS, the 7th character S means sequela. The 7th character is required for X08.21XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is X08.21XS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under X08.21, the nearest indexed parent of X08.21XS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Exposure › fire, flames › uncontrolled › in building or structure › furniture NEC › due to › cigarette (to)
Excludes1 — never code together — inherited from X00-X08
The conditions below can never be reported together with X08.21XS 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 X08.21XS, but a patient may have both at the same time. When documentation supports it, X08.21XS and the excluded code may both be reported.
How long has X08.21XS existed?
X08.21XS 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.