W40.8 — Explosion of other specified explosive materials
Is W40.8 billable?
No — W40.8 is a non-billable header code. W40.8 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath W40.8.
W40.8 at a glance
| Code | W40.8 |
|---|---|
| Description | Explosion of other specified explosive materials |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is W40.8 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W40.8 — how the injury happened, rather than what the injury was.
- Explosion › antipersonnel bomb (accidental) (of) (with secondary fire)
- Explosion › dump (accidental) (of) (with secondary fire)
- Explosion › factory (accidental) (of) (with secondary fire)
- Explosion › fertilizer bomb (accidental) (of) (with secondary fire)
- Explosion › grain store (accidental) (of) (with secondary fire)
- Explosion › grenade (accidental) (of) (with secondary fire)
- Explosion › letter bomb (accidental) (of) (with secondary fire)
- Explosion › missile NEC (accidental) (of) (with secondary fire)
- Explosion › mortar bomb (accidental) (of) (with secondary fire)
- Explosion › munitions (accidental) (of) (with secondary fire)
- Explosion › shellNEC (accidental) (of) (with secondary fire)
- Explosion › explosive › specified NEC (accidental) (of) (with secondary fire)
Excludes1 — never code together
The conditions below can never be reported together with W40.8 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Inclusion terms
Alternative wording in documentation that is classified to W40.8.
- Explosion in dump NOS
- Explosion in factory NOS
- Explosion in grain store
- Explosion in munitions
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W40.8 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 W40.8 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under W40.8? (3)
How long has W40.8 existed?
W40.8 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.