ICD-10 Code S09.302A - Unspecified injury of left middle and inner ear, initial encounter

ICD-10-CM Diagnosis Code S09.302A

Diagnosis Code: S09.302A (Raw: S09302A)

Description: Unspecified injury of left middle and inner ear, 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 S09.302A is designated for Unspecified injury of left middle and inner ear, 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.