M61.521 Other ossification of muscle, right upper armBillable ICD-10-CM code, FY2026.
Defines the logic of DRG(s) 557-558 in MDC 08.
728.19 Other muscular calcification and ossification (approximate)M61.51 Other ossification of muscle, shoulderM61.511 Other ossification of muscle, right shoulderM61.512 Other ossification of muscle, left shoulderM61.519 Other ossification of muscle, unspecified shoulderM61.52 Other ossification of muscle, upper armM61.521 Other ossification of muscle, right upper arm (this code)M61.522 Other ossification of muscle, left upper armM61.529 Other ossification of muscle, unspecified upper armM61.53 Other ossification of muscle, forearmM61.531 Other ossification of muscle, right forearmM61.532 Other ossification of muscle, left forearm