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ICD-10-CM category

W33: Accidental rifle, shotgun and larger firearm discharge and malfunction

42 subcodes · 30 billable · Look up any code with the ICD-10 search

Codes under W33 (Accidental rifle, shotgun and larger firearm discharge and malfunction). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
W33.0Accidental rifle, shotgun and larger firearm discharge—
W33.00Accidental discharge of unspecified larger firearm—
W33.00XAAccidental discharge of unspecified larger firearm, initial encounter✓
W33.00XDAccidental discharge of unspecified larger firearm, subsequent encounter✓
W33.00XSAccidental discharge of unspecified larger firearm, sequela✓
W33.01Accidental discharge of shotgun—
W33.1Accidental rifle, shotgun and larger firearm malfunction—
W33.01XAAccidental discharge of shotgun, initial encounter✓
W33.01XDAccidental discharge of shotgun, subsequent encounter✓
W33.01XSAccidental discharge of shotgun, sequela✓
W33.02Accidental discharge of hunting rifle—
W33.02XAAccidental discharge of hunting rifle, initial encounter✓
W33.02XDAccidental discharge of hunting rifle, subsequent encounter✓
W33.02XSAccidental discharge of hunting rifle, sequela✓
W33.03Accidental discharge of machine gun—
W33.03XAAccidental discharge of machine gun, initial encounter✓
W33.03XDAccidental discharge of machine gun, subsequent encounter✓
W33.03XSAccidental discharge of machine gun, sequela✓
W33.09Accidental discharge of other larger firearm—
W33.09XAAccidental discharge of other larger firearm, initial encounter✓
W33.09XDAccidental discharge of other larger firearm, subsequent encounter✓
W33.09XSAccidental discharge of other larger firearm, sequela✓
W33.10Accidental malfunction of unspecified larger firearm—
W33.10XAAccidental malfunction of unspecified larger firearm, initial encounter✓
W33.10XDAccidental malfunction of unspecified larger firearm, subsequent encounter✓
W33.10XSAccidental malfunction of unspecified larger firearm, sequela✓
W33.11Accidental malfunction of shotgun—
W33.11XAAccidental malfunction of shotgun, initial encounter✓
W33.11XDAccidental malfunction of shotgun, subsequent encounter✓
W33.11XSAccidental malfunction of shotgun, sequela✓
W33.12Accidental malfunction of hunting rifle—
W33.12XAAccidental malfunction of hunting rifle, initial encounter✓
W33.12XDAccidental malfunction of hunting rifle, subsequent encounter✓
W33.12XSAccidental malfunction of hunting rifle, sequela✓
W33.13Accidental malfunction of machine gun—
W33.13XAAccidental malfunction of machine gun, initial encounter✓
W33.13XDAccidental malfunction of machine gun, subsequent encounter✓
W33.13XSAccidental malfunction of machine gun, sequela✓
W33.19Accidental malfunction of other larger firearm—
W33.19XAAccidental malfunction of other larger firearm, initial encounter✓
W33.19XDAccidental malfunction of other larger firearm, subsequent encounter✓
W33.19XSAccidental malfunction of other larger firearm, sequela✓

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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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