ICD-10-CM Diagnosis Code H70.90
Diagnosis Code: H70.90 (Raw: H7090)
Description: Unspecified mastoiditis, unspecified ear
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 H70.90 is designated for Unspecified mastoiditis, unspecified ear. 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.