ICD-10-CM > M00-M99 > M91-M94 > M93 > M93.9 > M93.96 M93.96 Osteochondropathy, unspecified lower leg Non-Billable/Non-Specific Codes M93.961Osteochondropathy, unspecified, right lower legM93.962Osteochondropathy, unspecified, left lower legM93.969Osteochondropathy, unspecified, unspecified lower leg