ICD-10 Diagnosis Code G70.00

Myasthenia gravis without (acute) exacerbation

Diagnosis Code G70.00

ICD-10: G70.00
Short Description: Myasthenia gravis without (acute) exacerbation
Long Description: Myasthenia gravis without (acute) exacerbation
This is the 2018 version of the ICD-10-CM diagnosis code G70.00

Valid for Submission
The code G70.00 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the nervous system (G00–G99)
    • Diseases of myoneural junction and muscle (G70-G73)
      • Myasthenia gravis and other myoneural disorders (G70)

Information for Medical Professionals

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 358.00 - Mysthna grvs w/o ac exac

  • Abnormality of synaptic vesicles
  • Combined disorder of muscle AND peripheral nerve
  • Congenital end-plate acetylcholinesterase deficiency
  • Decrease of motor end-plate potential amplitude without acetylcholine receptor deficiency
  • Deficiency of acetylcholinesterase
  • Generalized myasthenia
  • Genetically determined myasthenia
  • Genetically determined myasthenia
  • Genetically determined myasthenia
  • Genetically determined myasthenia
  • Juvenile or adult myasthenia gravis
  • Myasthenia gravis
  • Myasthenia gravis associated with thymoma
  • Myasthenia gravis without exacerbation
  • Myasthenia gravis, adult form
  • Myasthenia gravis, juvenile form
  • Myopathy in myasthenia gravis
  • Neonatal myasthenia gravis
  • Ocular myasthenia
  • Ocular myasthenia with strabismus
  • Persistent neonatal myasthenia gravis
  • Putative defect in acetylcholine synthesis or packaging

Index of Diseases and Injuries
References found for the code G70.00 in the Index of Diseases and Injuries:

Information for Patients

Myasthenia Gravis

Myasthenia gravis is a disease that causes weakness in your voluntary muscles. These are the muscles that you control. For example, you may have weakness in the muscles for eye movement, facial expressions, and swallowing. You can also have weakness in other muscles. This weakness gets worse with activity, and better with rest.

Myasthenia gravis is an autoimmune disease. Your body's immune system makes antibodies that block or change some of the nerve signals to your muscles. This makes your muscles weaker.

Other conditions can cause muscle weakness, so myasthenia gravis can be hard to diagnose. Tests used to make a diagnosis include blood, nerve, muscle, and imaging tests.

With treatment, the muscle weakness often gets much better. Medicines can help improve nerve-to-muscle messages and make muscles stronger. Other drugs keep your body from making so many abnormal antibodies. These medicines can have major side effects, so they should be used carefully. There are also treatments which filter abnormal antibodies from the blood or add healthy antibodies from donated blood. Sometimes, surgery to take out the thymus gland helps.

Some people with myasthenia gravis go into remission. This means that they do not have symptoms. The remission is usually temporary, but sometimes it can be permanent.

NIH: National Institute of Neurological Disorders and Stroke

  • Acetylcholine receptor antibody (Medical Encyclopedia)
  • Myasthenia gravis (Medical Encyclopedia)

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Myasthenia gravis Myasthenia gravis is a disorder that causes weakness of the skeletal muscles, which are muscles that the body uses for movement. The weakness most often starts in the muscles around the eyes, causing drooping of the eyelids (ptosis) and difficulty coordinating eye movements, which results in blurred or double vision. In a form of the disorder called ocular myasthenia, the weakness remains confined to the eye muscles. In most people with myasthenia gravis, however, additional muscles in the face and neck are affected. Affected individuals may have unusual facial expressions, difficulty holding up the head, speech impairment (dysarthria), and chewing and swallowing problems (dysphagia) that may lead to choking, gagging, or drooling.Other muscles in the body are also affected in some people with myasthenia gravis. The muscles of the arms and legs may be involved, causing affected individuals to have changes in their gait or trouble with lifting objects, rising from a seated position, or climbing stairs. The muscle weakness tends to fluctuate over time; it typically worsens with activity and improves with rest.Weakness of the muscles in the chest wall and the muscle that separates the abdomen from the chest cavity (the diaphragm) can cause breathing problems in some people with myasthenia gravis. About 10 percent of people with this disorder experience a potentially life-threatening complication in which these respiratory muscles weaken to the point that breathing is dangerously impaired, and the affected individual requires ventilation assistance. This respiratory failure, called a myasthenic crisis, may be triggered by stresses such as infections or reactions to medications.People can develop myasthenia gravis at any age. For reasons that are unknown, it is most commonly diagnosed in women younger than age 40 and men older than age 60. It is uncommon in children, but some infants born to women with myasthenia gravis show signs and symptoms of the disorder for the first few days or weeks of life. This temporary occurrence of symptoms is called transient neonatal myasthenia gravis.
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