W40.0XXS — Explosion of blasting material, sequela
Is W40.0XXS billable?
Yes — W40.0XXS is billable for FY2027. W40.0XXS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W40.0XXS may be submitted for encounters from October 1, 2026 through September 30, 2027.
W40.0XXS at a glance
| Code | W40.0XXS |
|---|---|
| Description | Explosion of blasting material, 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 W40.0XXS?
In W40.0XXS, the 7th character S means sequela. The 7th character is required for W40.0XXS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W40.0XXS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W40.0, the nearest indexed parent of W40.0XXS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Explosion › blasting (accidental) (of) (with secondary fire)
- Explosion › detonator (accidental) (of) (with secondary fire)
- Explosion › dynamite (accidental) (of) (with secondary fire)
- Explosion › explosive › in blasting operation (accidental) (of) (with secondary fire)
Inclusion terms
Alternative wording in documentation that is classified to W40.0XXS.
- Explosion of blasting cap
- Explosion of detonator
- Explosion of dynamite
- Explosion of explosive (any) used in blasting operations
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W40.0XXS 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 W40
The conditions below can never be reported together with W40.0XXS 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 W40.0XXS existed?
W40.0XXS 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.