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Labcorp Oklahoma, Inc.
Test Directory


Index:

Acetylcholine Receptor Binding Antibody

Order Name ACETY BND
Test Number: 5500010
Revision Date 01/02/2024
Test Name Methodology LOINC Code
Acetylcholine Receptor Binding Antibody
See Test Notes 11034-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.3) Serum Clot Activator SST Refrigerated
Alternate 1 1 mL (0.3) Serum Clot Activator (Red Top, No-Gel) Refrigerated
Instructions Notes: 0.3 mL (Note: This volume Does NOT allow for repeat testing.)
Specimen Type: Red-top tube or gel-barrier tube
Specimen Storage: Refrigerate
Specimen Collection: If red-top tube is used, transfer separated serum to a plastic transport tube.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 2 - 4 days  
Clinical Use Used to aid in the differential diagnosis of myasthenia gravis-like muscle weakness, in differentiating between generalized MG and ocular MG, and in monitoring therapeutic response. 
Performing Labcorp Test Code 085902 
Notes This assay measures antibodies that precipitate solublized muscle AChR that has been complexed with radiolabeled alpha-bungarotoxin (aBTX). Antibodies that bind to the receptor regions that are not sterically blocked by the aBTX are detected.
CPT Code(s) 86041
Lab Section Reference Lab