359.22 MYOTONIA CONGENITA


Code Information

Diagnosis Code: 359.22

Short Description: Myotonia congenita

Long Description: Myotonia congenita

Code Classification:

  • Diseases of the nervous system (320–359)
    • Disorders of the peripheral nervous system (350-359)
      • 359 Muscular dystrophies and other myopathies
        • 359.22 Myotonia congenita

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 359.22 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Becker's
    • disease
      • myotonia congenita, recessive form 359.22
    • dystrophy 359.22
  • Disease, diseased - see also Syndrome
    • Becker's
      • myotonia congenita, recessive form 359.22
    • Thomsen's 359.22
  • Dystrophy, dystrophia 783.9
    • Becker's type 359.22
    • muscular 359.1
      • congenital (hereditary) 359.0
        • myotonic 359.22
  • Myotonia (acquisita) (intermittens) 728.85
    • congenita 359.22
      • acetazolamide responsive 359.22
      • dominant form 359.22
      • recessive form 359.22
    • levior 359.22
  • Thomsen's disease 359.22

Crosswalk Information

The code 359.22 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
359.22 Right Arrow G71.12 Myotonia congenita
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
359.0 Congenital hereditary muscular dystrophy
359.1 Hereditary progressive muscular dystrophy
359.21 Myotonic muscular dystrophy
359.23 Myotonic chondrodystrophy
359.24 Drug- induced myotonia
359.29 Other specified myotonic disorder
359.3 Periodic paralysis
359.4 Toxic myopathy
359.5 Myopathy in endocrine diseases classified elsewhere
359.6 Symptomatic inflammatory myopathy in diseases classified elsewhere
359.71 Inclusion body myositis
359.79 Other inflammatory and immune myopathies, NEC
359.81 Critical illness myopathy
359.89 Other myopathies
359.9 Myopathy, unspecified


This page was last updated on: 10/1/2014