M25.27 Flail joint, ankle and footNon-billable header with 3 child codes.
M25.271 Flail joint, right ankle and footM25.272 Flail joint, left ankle and footM25.279 Flail joint, unspecified ankle and footM25.259 Flail joint, unspecified hipM25.26 Flail joint, kneeM25.261 Flail joint, right kneeM25.262 Flail joint, left kneeM25.269 Flail joint, unspecified kneeM25.27 Flail joint, ankle and foot (this code)M25.271 Flail joint, right ankle and footM25.272 Flail joint, left ankle and footM25.279 Flail joint, unspecified ankle and footM25.28 Flail joint, other siteM25.3 Other instability of joint