ICD-10 · PDGM grouping
W34 Accidental discharge and malfunction from other and unspecified firearms and guns
All 30 codes in the W34 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
30
Can lead a claim
0
Cannot lead a claim
30
What CMS assigns to W34
None of the 30 codes is assigned a clinical group. None of the 30 is assigned a comorbidity subgroup. None can lead a claim.
Every code in W34
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| W34.0 Accidental discharge from other and unspecified firearms and guns | ||||
| W34.00 Accidental discharge from unspecified firearms or gun | ||||
| W34.00XA | Accidental discharge from unspecified firearms or gun, initial encounterCMS: Accidental discharge from unsp firearms or gun, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.00XD | Accidental discharge from unspecified firearms or gun, subsequent encounterCMS: Accidental discharge from unsp firearms or gun, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.00XS | Accidental discharge from unspecified firearms or gun, sequelaCMS: Accidental discharge from unsp firearms or gun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.01 Accidental discharge of gas, air or spring-operated guns | ||||
| W34.010 Accidental discharge of airgun | ||||
| W34.010A | Accidental discharge of airgun, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.010D | Accidental discharge of airgun, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.010S | Accidental discharge of airgun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.011 Accidental discharge of paintball gun | ||||
| W34.011A | Accidental discharge of paintball gun, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.011D | Accidental discharge of paintball gun, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.011S | Accidental discharge of paintball gun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| 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 encounterCMS: Accidental discharge of gas, air or sprng-op gun, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.018D | Accidental discharge of other gas, air or spring-operated gun, subsequent encounterCMS: Accidental discharge of gas, air or sprng-op gun, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.018S | Accidental discharge of other gas, air or spring-operated gun, sequelaCMS: Accidental discharge of gas, air or sprng-op gun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.09 Accidental discharge from other specified firearms | ||||
| W34.09XA | Accidental discharge from other specified firearms, initial encounterCMS: Accidental discharge from oth firearms, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.09XD | Accidental discharge from other specified firearms, subsequent encounterCMS: Accidental discharge from oth firearms, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.09XS | Accidental discharge from other specified firearms, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.1 Accidental malfunction from other and unspecified firearms and guns | ||||
| W34.10 Accidental malfunction from unspecified firearms or gun | ||||
| W34.10XA | Accidental malfunction from unspecified firearms or gun, initial encounterCMS: Accidental malfunction from unsp firearms or gun, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.10XD | Accidental malfunction from unspecified firearms or gun, subsequent encounterCMS: Accidental malfunction from unsp firearms or gun, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.10XS | Accidental malfunction from unspecified firearms or gun, sequelaCMS: Accidental malfunction from unsp firearms or gun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.11 Accidental malfunction of gas, air or spring-operated guns | ||||
| W34.110 Accidental malfunction of airgun | ||||
| W34.110A | Accidental malfunction of airgun, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.110D | Accidental malfunction of airgun, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.110S | Accidental malfunction of airgun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.111 Accidental malfunction of paintball gun | ||||
| W34.111A | Accidental malfunction of paintball gun, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.111D | Accidental malfunction of paintball gun, subsequent encounterCMS: Accidental malfunction of paintball gun, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.111S | Accidental malfunction of paintball gun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| 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 encounterCMS: Accidental malfunction of gas, air or sprng-op gun, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.118D | Accidental malfunction of other gas, air or spring-operated gun, subsequent encounterCMS: Accidental malfunction of gas, air or sprng-op gun, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.118S | Accidental malfunction of other gas, air or spring-operated gun, sequelaCMS: Accidental malfunction of gas, air or sprng-op gun, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.19 Accidental malfunction from other specified firearms | ||||
| W34.19XA | Accidental malfunction from other specified firearms, initial encounterCMS: Accidental malfunction from oth firearms, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.19XD | Accidental malfunction from other specified firearms, subsequent encounterCMS: Accidental malfunction from oth firearms, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W34.19XS | Accidental malfunction from other specified firearms, sequelaCMS: Accidental malfunction from oth firearms, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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