Acetylcholine Receptor Blocking Antibody

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An acetylcholine receptor (AChR) antibody test is used to help diagnose myasthenia gravis (MG) and to distinguish it from other conditions that can cause similar symptoms, such as chronic muscle fatigue and weakness. Three types of AChR antibodies can be tested: Antibodies that bind to AChR. AChR blocking antibodies.

Also Known asAChR Antibody, Muscle nicotinic Acetylcholine Receptor (AChR) Binding Antibody, Myasthenia Gravis Antibodies, Acetylcholine Receptor Binding Antibody, Acetylcholine Receptor Blocking Antibody, Acetylcholine Receptor Modulating Antibody, Myasthenia Gravis (MG) Evaluation, Acetylcholine Receptor (AChR) Antibody
Test PurposeTo help diagnose myasthenia gravis (MG) and to distinguish between MG and other conditions with similar symptoms
Test PreparationsAvoid General Anaesthetic Or Muscle Relaxant Drugs 24 Hours Prior To Sampling. This Assay Should Not Be Requested For Patients Who Have Recently Received Radio-Isotopes Therapeutically Or Diagnostically Due To Potential Assay Interference.
Test ComponentsAChR Antibody
Specimen2 ML (1 ML Min.) Serum From 1 SST. Ship Refrigerated Or Frozen.
Stability Room8 Hrs
Stability Refrigerated1 Week
Stability Frozen4 Weeks
MethodEnzyme Immunoassay
Download ReportDownload Report
AChR Antibody
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Why get tested:

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

When to get tested:

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

Normal Value:

Negative: < 0.25 nmol/L
Equivocal: 0.25 – 0.40 nmol/L
Positive: > 0.4 nmol/L

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