ICD-10-CM > M00-M99 > M80-M85 > M85 > M85.8 > M85.82 M85.82 Other specified disorders of bone density and structure, upper arm Non-Billable/Non-Specific Codes M85.821Other specified disorders of bone density and structure, right upper armM85.822Other specified disorders of bone density and structure, left upper armM85.829Other specified disorders of bone density and structure, unspecified upper arm