ICD-10 Diagnosis Code M63

Disorders of muscle in diseases classified elsewhere

Diagnosis Code M63

ICD-10: M63
Short Description: Disorders of muscle in diseases classified elsewhere
Long Description: Disorders of muscle in diseases classified elsewhere
This is the 2018 version of the ICD-10-CM diagnosis code M63

Not Valid for Submission
The code M63 is a "header" and not valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the musculoskeletal system and connective tissue (M00–M99)
    • Disorders of muscles (M60-M63)
      • Disorders of muscle in diseases classified elsewhere (M63)

Information for Patients


Muscle Disorders

Also called: Myopathy

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.

Causes of muscle disorders include

  • Injury or overuse, such as sprains or strains, cramps or tendinitis
  • A genetic disorder, such as muscular dystrophy
  • Some cancers
  • Inflammation, such as myositis
  • Diseases of nerves that affect muscles
  • Infections
  • Certain medicines

Sometimes the cause is not known.

  • Caring for muscle spasticity or spasms (Medical Encyclopedia)
  • Compartment syndrome (Medical Encyclopedia)
  • Contracture deformity (Medical Encyclopedia)
  • Creatine phosphokinase test (Medical Encyclopedia)
  • Electromyography (Medical Encyclopedia)
  • Eyelid twitch (Medical Encyclopedia)
  • Hypotonia (Medical Encyclopedia)
  • Muscle aches (Medical Encyclopedia)
  • Muscle atrophy (Medical Encyclopedia)
  • Muscle function loss (Medical Encyclopedia)
  • Muscle twitching (Medical Encyclopedia)
  • Rhabdomyolysis (Medical Encyclopedia)
  • Weakness (Medical Encyclopedia)


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