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 M86-M90 – Other osteopathies (M86-M90) > 2024 ICD-10-CM Codes M87 – Osteonecrosis (M87) > 2024 ICD-10-CM Codes M87.2 – Osteonecrosis due to previous trauma (M87.2) > 2024 ICD-10-CM Codes M87.21 – Osteonecrosis due to previous trauma, shoulder (M87.21)