ICD-10-CM > M00-M99 > M80-M85 > M85 > M85.8 > M85.85 M85.85 Other specified disorders of bone density and structure, thigh Non-Billable/Non-Specific Codes M85.851Other specified disorders of bone density and structure, right thighM85.852Other specified disorders of bone density and structure, left thighM85.859Other specified disorders of bone density and structure, unspecified thigh