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Acetylcholine Receptor (AChR) Antibody

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Also known as: Muscle nicotinic Acetylcholine Receptor (AChR) Binding Antibody; AChR Antibody; Myasthenia Gravis Antibodies
Formal name: Acetylcholine Receptor Binding Antibody; Acetylcholine Receptor Blocking Antibody; Acetylcholine Receptor Modulating Antibody
Related tests: Anti-MuSK (muscle-specific kinase) Antibody, Striated Muscle Antibody, Rheumatoid Factor, Thyroid Panel, Antinuclear Antibody (ANA), Autoantibodies

At a Glance

Why Get Tested?

To help diagnose myasthenia gravis (MG) and to distinguish between MG and other conditions with similar symptoms; sometimes to monitor MG

When to Get Tested?

When you have symptoms that suggest MG, such as a drooping eyelid, double vision, difficulty chewing or swallowing, and/or weakness in specific muscles 

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None