ICD-10 Code M67.221 - Synovial hypertrophy, not elsewhere classified, right upper arm

ICD-10-CM Diagnosis Code M67.221

Diagnosis Code: M67.221 (Raw: M67221)

Description: Synovial hypertrophy, not elsewhere classified, right upper arm

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 M67.221 is designated for Synovial hypertrophy, not elsewhere classified, right upper arm. 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.