ICD-10-CM > M00-M99 > M91-M94 > M93 > M93.9 > M93.92 M93.92 Osteochondropathy, unspecified of upper arm Non-Billable/Non-Specific Codes M93.921Osteochondropathy, unspecified, right upper armM93.922Osteochondropathy, unspecified, left upper armM93.929Osteochondropathy, unspecified, unspecified upper arm