Myotonia (acquisita) (intermittens)

Myotonia (acquisita) (intermittens) is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). The Index lists M62.89 for the term on its own. It has 9 subterms and 10 code entries. First-level subterms include atrophica, chondrodystrophic, congenita, drug-induced, dystrophica, fluctuans, levior, permanens and more. Confirm any code you find here in the Tabular List before you report it.