Home > 2008 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Peripheral Nervous System 350-359 > Muscular dystrophies and other myopathies 359-
Specific code 2008 ICD-9-CM Diagnosis Code 359.22
Myotonia congenita
  • ICD-9-CM 359.22 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 359.22 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2008 version of ICD-9-CM 359.22.
  • More recent version(s) of ICD-9-CM 359.22: 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 359.22 converts directly to:
  • 2015/16 ICD-10-CM G71.12 Myotonia congenita
Approximate Synonyms
  • Autosomal dominant myotonia
  • Becker muscular dystrophy
  • Beckers muscular dystrophy
  • Congenital myotonia, autosomal dominant form
  • Muscular dystrophy, Becker
  • Myotonia, autosomal dominant
Applies To
  • Acetazolamide responsive myotonia congenita
  • Dominant form (Thomsen's disease)
  • Recessive form (Becker's disease)
ICD-9-CM Volume 2 Index entries containing back-references to 359.22:
  • Becker's
    • disease
      • idiopathic mural endomyocardial disease 425.2
      • myotonia congenita, recessive form 359.22
    • dystrophy 359.22
  • Disease, diseased - see also Syndrome
    • Becker's
      • idiopathic mural endomyocardial disease 425.2
      • myotonia congenita, recessive form 359.22
    • Thomsen's 359.22
  • Dystrophy, dystrophia 783.9
    • Becker's type 359.22
  • Myotonia (acquisita) (intermittens) 728.85
    • congenita 359.22
      • acetazolamide responsive 359.22
      • dominant form 359.22
      • recessive form 359.22
  • Thomsen's disease 359.22
 359.21 ICD9Data.com 359.23 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 359.22 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2008 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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