Acetylcholine Receptor Binding Antibody
Order Name
ACETY BND
Test Number: 5500010
Revision Date 01/02/2024
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 |
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| 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 |