ICD-10 Code S25.321A - Major laceration of right innominate or subclavian vein, initial encounter

ICD-10-CM Diagnosis Code S25.321A

Diagnosis Code: S25.321A (Raw: S25321A)

Description: Major laceration of right innominate or subclavian vein, 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 S25.321A is designated for Major laceration of right innominate or subclavian vein, 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.