W39: Discharge of firework
Codes under W39 (Discharge of firework). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| W39.XXXA | Discharge of firework, initial encounter | ✓ |
| W39.XXXA | Discharge of firework, initial encounter | ✓ |
| W39.XXXD | Discharge of firework, subsequent encounter | ✓ |
| W39.XXXD | Discharge of firework, subsequent encounter | ✓ |
| W39.XXXS | Discharge of firework, sequela | ✓ |
| W39.XXXS | Discharge of firework, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code W39?
W39 is an ICD-10-CM category covering Discharge of firework. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is W39 a billable code?
No — W39 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example W39.XXXA — Discharge of firework, initial encounter). 6 of the 6 codes under W39 are billable.
What codes fall under W39?
W39 includes W39.XXXA, W39.XXXA, W39.XXXD, W39.XXXD, W39.XXXS, plus 1 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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