ICD-10 Code W33.10XS - Accidental malfunction of unspecified larger firearm, sequela

ICD-10-CM Diagnosis Code W33.10XS

Diagnosis Code: W33.10XS (Raw: W3310XS)

Description: Accidental malfunction of unspecified larger firearm, sequela

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting (Excluded from No-Fault liability reporting).

Overview & Clinical Details

ICD-10-CM code W33.10XS is designated for Accidental malfunction of unspecified larger firearm, sequela. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.