ICD-10-CM > M00-M99 > M60-M63 > M61 > M61.3 > M61.32 M61.32 Calcification and ossification of muscles associated with burns, upper arm Non-Billable/Non-Specific Codes M61.321Calcification and ossification of muscles associated with burns, right upper armM61.322Calcification and ossification of muscles associated with burns, left upper armM61.329Calcification and ossification of muscles associated with burns, unspecified upper arm