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Acetylcholine Receptor (AChR)-binding Antibodies

Order Code
085902
CPT
86041
Test Details
Synonyms

Myasthenia Gravis Antibody

TAT

8 days

Methodology

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.

Remarks

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

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

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

Specimen Type

Serum

Volume

1 mL

Specimen Container

Red-top tube or gel-barrier tube

Patient Preparation

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.

Collection

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

Specimen Stability
Temperature Period
Room temperature 14 days
Refrigerated 14 days
Frozen 14 days
Order Code
085902
CPT
86041
Test Details
Synonyms

Myasthenia Gravis Antibody

TAT

8 days

Methodology

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.

Remarks

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

Performing Location

Accredited Laboratory Partner

Testing Frequency

Contact Technical Support

Test Overview

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

Specimen Type

Serum

Volume

1 mL

Specimen Container

Red-top tube or gel-barrier tube

Patient Preparation

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.

Collection

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

Specimen Stability
Temperature Period
Room temperature 14 days
Refrigerated 14 days
Frozen 14 days