Acetylcholine Receptor Antibody
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AChR (AChR-binding antibody, AChR-blocking antibody, and AChR-modulating antibody).
To assist in confirming the diagnosis of myasthenia gravis (MG).
Serum collected in a red-top tube.
(Method: Radioimmunoassay) AChR-binding antibody: Less than 0.4 nmol/L; AChR-blocking antibody: Less than 25% blocking; and AChR-modulating antibody: Less than 30% modulating.