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 M89 – Other disorders of bone (M89) > 2024 ICD-10-CM Codes M89.7 – Major osseous defect (M89.7) > 2024 ICD-10-CM Codes M89.73 – Major osseous defect, forearm (M89.73)