ICD-10-CM > M00-M99 > M60-M63 > M61 > M61.4 > M61.45 M61.45 Other calcification of muscle, thigh Non-Billable/Non-Specific Codes M61.451Other calcification of muscle, right thighM61.452Other calcification of muscle, left thighM61.459Other calcification of muscle, unspecified thigh