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ICD-10-CM · FY 2026 APRIL UPDATE

W34.1

Accidental malfunction from other and unspecified firearms and guns

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
W34.10Accidental malfunction from unspecified firearms or gunCategory
W34.10XAAccidental malfunction from unspecified firearms or gun, initial encounterBillable
W34.10XDAccidental malfunction from unspecified firearms or gun, subsequent encounterBillable
W34.10XSAccidental malfunction from unspecified firearms or gun, sequelaBillable
W34.11Accidental malfunction of gas, air or spring-operated gunsCategory
W34.110Accidental malfunction of airgunCategory
W34.110AAccidental malfunction of airgun, initial encounterBillable
W34.110DAccidental malfunction of airgun, subsequent encounterBillable
W34.110SAccidental malfunction of airgun, sequelaBillable
W34.111Accidental malfunction of paintball gunCategory
W34.111AAccidental malfunction of paintball gun, initial encounterBillable
W34.111DAccidental malfunction of paintball gun, subsequent encounterBillable
W34.111SAccidental malfunction of paintball gun, sequelaBillable
W34.118Accidental malfunction of other gas, air or spring-operated gunCategory
W34.118AAccidental malfunction of other gas, air or spring-operated gun, initial encounterBillable
W34.118DAccidental malfunction of other gas, air or spring-operated gun, subsequent encounterBillable
W34.118SAccidental malfunction of other gas, air or spring-operated gun, sequelaBillable
W34.19Accidental malfunction from other specified firearmsCategory
W34.19XAAccidental malfunction from other specified firearms, initial encounterBillable
W34.19XDAccidental malfunction from other specified firearms, subsequent encounterBillable
W34.19XSAccidental malfunction from other specified firearms, sequelaBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.