Acetylcholine Receptor (AChR)-binding Antibodies

Myasthenia Gravis Antibody

8 days

This assay measures antibodies that precipitate solublized muscle AChR that has been complexed with radiolabeled alpha-bungarotoxin (αBTX). Antibodies that bind to the receptor regions that are not sterically blocked by the αBTX are detected.

Cause for Rejection: Gross Haemolysis, Gross icterus, Gross lipemia

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Detects antibodies binding to AChRs. A primary test for diagnosing myasthenia gravis.

Serum

1 mL

Red-top tube or gel-barrier tube

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.