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Myasthenia gravis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Myasthenia gravis is the most common acquired auto-antibody mediated neuromuscular transmission disorder. Prevalence is 1–2 per 10,000 persons. Fluctuating weakness increasing with repeated activity and improving after a period of rest is the hallmark. Myasthenia Gravis with antibodies directed against postsynaptic proteins, usually the nicotinic acetylcholine receptor are the most prevalent. Other types are Myasthenia Gravis associated with muscle-specific kinase antibodies and MG with unknown autoantibodies (seronegative) Myasthenia Gravis. There are three groups: 1. Purely ocular Myasthenia Gravis 2. Early-onset (<40-50 years) generalised Myasthenia Gravis 3. Late-onset generalised MG. In about 15%, the disease can be classified as paraneoplastic, usually associated with a thymoma.

code elsewhere

• Transient neonatal myasthenia gravis  (KB08.0)

sections/codes in this section (8C60-8C60)

• Drug-induced myasthenia gravis  (8C60.0)
• Other specified myasthenia gravis  (8C60.Y)
• Myasthenia gravis, unspecified  (8C60.Z)

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