ICD-10-CM > M00-M99 > M86-M90 > M88 > M88.8 > M88.85 M88.85 Osteitis deformans of thigh Non-Billable/Non-Specific Codes M88.851Osteitis deformans of right thighM88.852Osteitis deformans of left thighM88.859Osteitis deformans of unspecified thigh