ICD-10-CM category
W34: Accidental discharge and malfunction from other and unspecified firearms and guns
Codes under W34 (Accidental discharge and malfunction from other and unspecified firearms and guns). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| W34.0 | Accidental discharge from other and unspecified firearms and guns | — |
| W34.0 | Accidental discharge from other and unspecified firearms and guns | — |
| W34.00 | Accidental discharge from unspecified firearms or gun | — |
| W34.00 | Accidental discharge from unspecified firearms or gun | — |
| W34.00XA | Accidental discharge from unspecified firearms or gun, initial encounter | ✓ |
| W34.00XA | Accidental discharge from unspecified firearms or gun, initial encounter | ✓ |
| W34.00XD | Accidental discharge from unspecified firearms or gun, subsequent encounter | ✓ |
| W34.00XD | Accidental discharge from unspecified firearms or gun, subsequent encounter | ✓ |
| W34.00XS | Accidental discharge from unspecified firearms or gun, sequela | ✓ |
| W34.00XS | Accidental discharge from unspecified firearms or gun, sequela | ✓ |
| W34.01 | Accidental discharge of gas, air or spring-operated guns | — |
| W34.01 | Accidental discharge of gas, air or spring-operated guns | — |
| W34.1 | Accidental malfunction from other and unspecified firearms and guns | — |
| W34.1 | Accidental malfunction from other and unspecified firearms and guns | — |
| W34.09 | Accidental discharge from other specified firearms | — |
| W34.09 | Accidental discharge from other specified firearms | — |
| W34.09XA | Accidental discharge from other specified firearms, initial encounter | ✓ |
| W34.09XA | Accidental discharge from other specified firearms, initial encounter | ✓ |
| W34.09XD | Accidental discharge from other specified firearms, subsequent encounter | ✓ |
| W34.09XD | Accidental discharge from other specified firearms, subsequent encounter | ✓ |
| W34.09XS | Accidental discharge from other specified firearms, sequela | ✓ |
| W34.09XS | Accidental discharge from other specified firearms, sequela | ✓ |
| W34.010 | Accidental discharge of airgun | — |
| W34.010 | Accidental discharge of airgun | — |
| W34.10 | Accidental malfunction from unspecified firearms or gun | — |
| W34.10 | Accidental malfunction from unspecified firearms or gun | — |
| W34.010A | Accidental discharge of airgun, initial encounter | ✓ |
| W34.010A | Accidental discharge of airgun, initial encounter | ✓ |
| W34.010D | Accidental discharge of airgun, subsequent encounter | ✓ |
| W34.010D | Accidental discharge of airgun, subsequent encounter | ✓ |
| W34.010S | Accidental discharge of airgun, sequela | ✓ |
| W34.010S | Accidental discharge of airgun, sequela | ✓ |
| W34.10XA | Accidental malfunction from unspecified firearms or gun, initial encounter | ✓ |
| W34.10XA | Accidental malfunction from unspecified firearms or gun, initial encounter | ✓ |
| W34.10XD | Accidental malfunction from unspecified firearms or gun, subsequent encounter | ✓ |
| W34.10XD | Accidental malfunction from unspecified firearms or gun, subsequent encounter | ✓ |
| W34.10XS | Accidental malfunction from unspecified firearms or gun, sequela | ✓ |
| W34.10XS | Accidental malfunction from unspecified firearms or gun, sequela | ✓ |
| W34.011 | Accidental discharge of paintball gun | — |
| W34.011 | Accidental discharge of paintball gun | — |
| W34.11 | Accidental malfunction of gas, air or spring-operated guns | — |
| W34.11 | Accidental malfunction of gas, air or spring-operated guns | — |
| W34.011A | Accidental discharge of paintball gun, initial encounter | ✓ |
| W34.011A | Accidental discharge of paintball gun, initial encounter | ✓ |
| W34.011D | Accidental discharge of paintball gun, subsequent encounter | ✓ |
| W34.011D | Accidental discharge of paintball gun, subsequent encounter | ✓ |
| W34.011S | Accidental discharge of paintball gun, sequela | ✓ |
| W34.011S | Accidental discharge of paintball gun, sequela | ✓ |
| W34.018 | Accidental discharge of other gas, air or spring-operated gun | — |
| W34.018 | Accidental discharge of other gas, air or spring-operated gun | — |
| W34.018A | Accidental discharge of other gas, air or spring-operated gun, initial encounter | ✓ |
| W34.018A | Accidental discharge of other gas, air or spring-operated gun, initial encounter | ✓ |
| W34.018D | Accidental discharge of other gas, air or spring-operated gun, subsequent encounter | ✓ |
| W34.018D | Accidental discharge of other gas, air or spring-operated gun, subsequent encounter | ✓ |
| W34.018S | Accidental discharge of other gas, air or spring-operated gun, sequela | ✓ |
| W34.018S | Accidental discharge of other gas, air or spring-operated gun, sequela | ✓ |
| W34.19 | Accidental malfunction from other specified firearms | — |
| W34.19 | Accidental malfunction from other specified firearms | — |
| W34.19XA | Accidental malfunction from other specified firearms, initial encounter | ✓ |
| W34.19XA | Accidental malfunction from other specified firearms, initial encounter | ✓ |
| W34.19XD | Accidental malfunction from other specified firearms, subsequent encounter | ✓ |
| W34.19XD | Accidental malfunction from other specified firearms, subsequent encounter | ✓ |
| W34.19XS | Accidental malfunction from other specified firearms, sequela | ✓ |
| W34.19XS | Accidental malfunction from other specified firearms, sequela | ✓ |
| W34.110 | Accidental malfunction of airgun | — |
| W34.110 | Accidental malfunction of airgun | — |
| W34.110A | Accidental malfunction of airgun, initial encounter | ✓ |
| W34.110A | Accidental malfunction of airgun, initial encounter | ✓ |
| W34.110D | Accidental malfunction of airgun, subsequent encounter | ✓ |
| W34.110D | Accidental malfunction of airgun, subsequent encounter | ✓ |
| W34.110S | Accidental malfunction of airgun, sequela | ✓ |
| W34.110S | Accidental malfunction of airgun, sequela | ✓ |
| W34.111 | Accidental malfunction of paintball gun | — |
| W34.111 | Accidental malfunction of paintball gun | — |
| W34.111A | Accidental malfunction of paintball gun, initial encounter | ✓ |
| W34.111A | Accidental malfunction of paintball gun, initial encounter | ✓ |
| W34.111D | Accidental malfunction of paintball gun, subsequent encounter | ✓ |
| W34.111D | Accidental malfunction of paintball gun, subsequent encounter | ✓ |
| W34.111S | Accidental malfunction of paintball gun, sequela | ✓ |
| W34.111S | Accidental malfunction of paintball gun, sequela | ✓ |
| W34.118 | Accidental malfunction of other gas, air or spring-operated gun | — |
| W34.118 | Accidental malfunction of other gas, air or spring-operated gun | — |
| W34.118A | Accidental malfunction of other gas, air or spring-operated gun, initial encounter | ✓ |
| W34.118A | Accidental malfunction of other gas, air or spring-operated gun, initial encounter | ✓ |
| W34.118D | Accidental malfunction of other gas, air or spring-operated gun, subsequent encounter | ✓ |
| W34.118D | Accidental malfunction of other gas, air or spring-operated gun, subsequent encounter | ✓ |
| W34.118S | Accidental malfunction of other gas, air or spring-operated gun, sequela | ✓ |
| W34.118S | Accidental malfunction of other gas, air or spring-operated gun, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code W34?
W34 is an ICD-10-CM category covering Accidental discharge and malfunction from other and unspecified firearms and guns. It contains 88 more specific diagnosis codes, 60 of which are billable.
Is W34 a billable code?
No — W34 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 W34.0 — Accidental discharge from other and unspecified firearms and guns). 60 of the 88 codes under W34 are billable.
What codes fall under W34?
W34 includes W34.0, W34.0, W34.00, W34.00, W34.00XA, plus 83 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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