W40.9XXA
W40.9XXA: Explosion of unspecified explosive materials, initial encounter
Billable / specific codeICD-10-CMPOA exempt
W40.9XXA is a billable, specific ICD-10-CM code for explosion of unspecified explosive materials, initial encounter. It is valid for submission on a claim.
Check W40.9XXA with the rest of the claim: free scrubber7th character "A": initial encounter
The appropriate 7th character is to be added to each code from category W40
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Explosion NOS
Excludes1 inherited from the categories above W40.9XXA
A category’s note binds every code beneath it.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.