Acetylcholine Receptor Antibody Test
The acetylcholine receptor antibody test measures the concentration of an unusual protein, acetylcholine receptor antibody, in your blood. Acetylcholine is a neurotransmitter that sends messages between nerves and muscles, and the protein interferes with that process.
Most patients with myasthenia gravis have abnormally elevated levels of acetylcholine receptor antibodies.
Acetylcholine Receptor Antibody (Blood)
Acetylcholine is a chemical that helps muscles contract. This test measures the concentration of acetylcholine receptor (AChR) antibody in your blood.