Myotonic disorders
Non-billable header
G71.1 is a non-billable header code. Use one of the more specific codes below.
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from G71)
- certain infectious and parasitic diseases (A00-B99) (from G71)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from G71)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from G71)
- endocrine, nutritional and metabolic diseases (E00-E88) (from G71)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from G71)
- neoplasms (C00-D49) (from G71)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from G71)
- arthrogryposis multiplex congenita (Q74.3) (from G71)
- metabolic disorders (E70-E88) (from G71)
- myositis (M60.-) (from G71)