From parent levels
ChapterVIDiseases of the nervous systemOpen
Exclusions
- certain conditions originating in the perinatal period (P00-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O99)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E90)
- injury, poisoning and certain other consequences of external causes (S00-T98)
- neoplasms (C00-D48)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockG70-G73Diseases of myoneural junction and muscleOpen
Myotonic disorders
Coding note
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Inclusions
- Dystrophia myotonica [Steinert]
- Myotonia: chondrodystrophic
- Myotonia: drug-induced
- Myotonia: symptomatic
- Myotonia congenita: NOS
- Myotonia congenita: dominant [Thomsen]
- Myotonia congenita: recessive [Becker]
- Neuromyotonia [Isaacs]
- Paramyotonia congenita
- Pseudomyotonia