M61.53 Other ossification of muscle, forearmNon-billable header with 3 child codes.
M61.531 Other ossification of muscle, right forearmM61.532 Other ossification of muscle, left forearmM61.539 Other ossification of muscle, unspecified forearmM61.519 Other ossification of muscle, unspecified shoulderM61.52 Other ossification of muscle, upper armM61.521 Other ossification of muscle, right upper armM61.522 Other ossification of muscle, left upper armM61.529 Other ossification of muscle, unspecified upper armM61.53 Other ossification of muscle, forearm (this code)M61.531 Other ossification of muscle, right forearmM61.532 Other ossification of muscle, left forearmM61.539 Other ossification of muscle, unspecified forearmM61.54 Other ossification of muscle, handM61.541 Other ossification of muscle, right hand