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ICD-10-CM · FY 2026 APRIL UPDATE

W34

Accidental discharge and 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
W34.0Accidental discharge from other and unspecified firearms and gunsCategory
W34.00Accidental discharge from unspecified firearms or gunCategory
W34.00XAAccidental discharge from unspecified firearms or gun, initial encounterBillable
W34.00XDAccidental discharge from unspecified firearms or gun, subsequent encounterBillable
W34.00XSAccidental discharge from unspecified firearms or gun, sequelaBillable
W34.01Accidental discharge of gas, air or spring-operated gunsCategory
W34.010Accidental discharge of airgunCategory
W34.010AAccidental discharge of airgun, initial encounterBillable
W34.010DAccidental discharge of airgun, subsequent encounterBillable
W34.010SAccidental discharge of airgun, sequelaBillable
W34.011Accidental discharge of paintball gunCategory
W34.011AAccidental discharge of paintball gun, initial encounterBillable
W34.011DAccidental discharge of paintball gun, subsequent encounterBillable
W34.011SAccidental discharge of paintball gun, sequelaBillable
W34.018Accidental discharge of other gas, air or spring-operated gunCategory
W34.018AAccidental discharge of other gas, air or spring-operated gun, initial encounterBillable
W34.018DAccidental discharge of other gas, air or spring-operated gun, subsequent encounterBillable
W34.018SAccidental discharge of other gas, air or spring-operated gun, sequelaBillable
W34.09Accidental discharge from other specified firearmsCategory
W34.09XAAccidental discharge from other specified firearms, initial encounterBillable
W34.09XDAccidental discharge from other specified firearms, subsequent encounterBillable
W34.09XSAccidental discharge from other specified firearms, sequelaBillable
W34.1Accidental malfunction from other and unspecified firearms and gunsCategory
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

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.