ICD-10-CM > M00-M99 > M20-M25 > M21 > M21.8 > M21.85 M21.85 Other specified acquired deformities of thigh Non-Billable/Non-Specific Codes M21.851Other specified acquired deformities of right thighM21.852Other specified acquired deformities of left thighM21.859Other specified acquired deformities of unspecified thigh