ICD-10-CM Diagnosis Code S09.399A
Diagnosis Code: S09.399A (Raw: S09399A)
Description: Other specified injury of unspecified 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 S09.399A is designated for Other specified injury of unspecified 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.
