ICD-10-CM > M00-M99 > M60-M63 > M61 > M61.2 > M61.25 M61.25 Paralytic calcification and ossification of muscle, thigh Non-Billable/Non-Specific Codes M61.251Paralytic calcification and ossification of muscle, right thighM61.252Paralytic calcification and ossification of muscle, left thighM61.259Paralytic calcification and ossification of muscle, unspecified thigh