Myasthenia Gravis
Myasthenia Gravis is indexed under Neurological & Neurodegenerative, Neuromuscular Junction. Also known as MG.
- US prevalence
- ~20 per 100,000 people worldwide; no condition-matched U.S. national prevalence count identified in the reviewed NIH source Source: NIH MedlinePlus Genetics — Myasthenia gravis. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
- ICD-10-CM codes
- G70.0
- Typical onset
- Women: 20-40 years; Men: 50-70 years
- Course
- managed
- Body systems
- neurological, musculoskeletal
- Sex differences
- F:M ~2:1 overall; reverses in late-onset
- Racial and ethnic differences
- May be more common in Black Americans
What this page does not establish
These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.
Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.
Browse all indexed conditions · Source registry · Methodology · Known limitations