Specific code 2014 ICD-9-CM Diagnosis Code 359.9
Myopathy, unspecified
  • Billable Code
  • Short description: Myopathy NOS.
  • ICD-9-CM 359.9 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 359.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Disorder of muscle
  • Disorder of skeletal AND/OR smooth muscle (disorder)
  • Mitochondrial myopathy
  • Myopathy
  • Myopathy, mitochondrial
Clinical Information
  • Acquired, familial, and congenital disorders of skeletal muscle and smooth muscle.
  • Impairment of health or a condition of abnormal functioning of the muscle.
  • Your muscles help you move and help your body work. Different types of muscles have different jobs. There are many problems that can affect muscles. Muscle disorders can cause weakness, pain or even paralysis. There may be no known cause for a muscle disorder. Some known causes include
    • injury or overuse, such as sprains or strains, cramps or tendinitis
    • genetics, such as muscular dystrophy
    • some cancers
    • inflammation, such as myositis
    • diseases of nerves that affect muscles
    • infections
    • certain medicines
Convert to ICD-10-CM: 359.9 converts approximately to:
  • 2014 ICD-10-CM G72.9 Myopathy, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 359.9:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 359.9 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.