M25.21 Flail joint, shoulderNon-billable header with 3 child codes.
M25.211 Flail joint, right shoulderM25.212 Flail joint, left shoulderM25.219 Flail joint, unspecified shoulderM25.175 Fistula, left footM25.176 Fistula, unspecified footM25.18 Fistula, other specified siteM25.2 Flail jointM25.20 Flail joint, unspecified jointM25.21 Flail joint, shoulder (this code)M25.211 Flail joint, right shoulderM25.212 Flail joint, left shoulderM25.219 Flail joint, unspecified shoulderM25.22 Flail joint, elbowM25.221 Flail joint, right elbow