Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes M00-M99 – Diseases of the musculoskeletal system and connective tissue (M00-M99) > 2024 ICD-10-CM Codes M60-M63 – Disorders of muscles (M60-M63) > 2024 ICD-10-CM Codes M61 – Calcification and ossification of muscle (M61) > 2024 ICD-10-CM Codes M61.1 – Myositis ossificans progressiva (M61.1) > 2024 ICD-10-CM Codes M61.16 – Myositis ossificans progressiva, lower leg (M61.16)