ICD-10-CM > M00-M99 > M60-M63 > M61 > M61.3 > M61.35 M61.35 Calcification and ossification of muscles associated with burns, thigh Non-Billable/Non-Specific Codes M61.351Calcification and ossification of muscles associated with burns, right thighM61.352Calcification and ossification of muscles associated with burns, left thighM61.359Calcification and ossification of muscles associated with burns, unspecified thigh