ICD-10-CM > M00-M99 > M91-M94 > M93 > M93.8 > M93.83 M93.83 Other specified osteochondropathies of forearm Non-Billable/Non-Specific Codes M93.831Other specified osteochondropathies, right forearmM93.832Other specified osteochondropathies, left forearmM93.839Other specified osteochondropathies, unspecified forearm