W36.9XXS — Explosion and rupture of unspecified gas cylinder, sequela
Is W36.9XXS billable?
Yes, but W36.9XXS is an unspecified code. W36.9XXS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, W36.9XXS 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 W36.9XXS — the more specific alternatives are listed below.
W36.9XXS at a glance
| Code | W36.9XXS |
|---|---|
| Description | Explosion and rupture of unspecified gas cylinder, 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 W36.9XXS?
In W36.9XXS, the 7th character S means sequela. The 7th character is required for W36.9XXS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W36.9XXS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W36.9, the nearest indexed parent of W36.9XXS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Explosion › gas › cylinder (accidental) (of) (with secondary fire)
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W36.9XXS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
How long has W36.9XXS existed?
W36.9XXS 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.