ICD-10-CM > M00-M99 > M86-M90 > M89 > M89.4 > M89.45 M89.45 Other hypertrophic osteoarthropathy, thigh Non-Billable/Non-Specific Codes M89.451Other hypertrophic osteoarthropathy, right thighM89.452Other hypertrophic osteoarthropathy, left thighM89.459Other hypertrophic osteoarthropathy, unspecified thigh