ICD-10 Code S64.02XA - Injury of ulnar nerve at wrist and hand level of left arm, initial encounter

ICD-10-CM Diagnosis Code S64.02XA

Diagnosis Code: S64.02XA (Raw: S6402XA)

Description: Injury of ulnar nerve at wrist and hand level of left arm, initial encounter

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

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code S64.02XA is designated for Injury of ulnar nerve at wrist and hand level of left arm, initial encounter. 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.