ICD-10-CM Diagnosis Code H90.42
Diagnosis Code: H90.42 (Raw: H9042)
Description: Sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side
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 H90.42 is designated for Sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side. 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.