Acetylcholine Receptor(AChR)-Blocking Antibodies, Serum
Test Code: 085926
Performing Lab: LabCorp
CPT Code: 86042 001
Synonym
AChR-Blocking Antibodies; ACRAB; Anti-AChR Antibody; Myasthenia Gravis Antibody
Specimen Type
Serum
Specimen Container
Red-top tube or gel-barrier tube
Volume
1 mL
Minimum Volume
0.3 mL (NOTE:This volume does NOT allow for repeat testing.)
Specimen Handling
If red-top tube is used, transfer separated serum to a plastic transport tube.
Patient Prep
No isotopes administered 24 hours prior to venipuncture
Unacceptable Conditions
Gross hemolysis, Gross icterus, Gross lipemia radioisotopes; plasma specimen
Temperature
Refrigerate
Methodology
This assay measures antibodies that inhibit the binding of radiolabeled alpha-bungarotoxin (aBTX) to solublized muscle AChR.
Stability
Room Temperature: 13 days
Refrigerated: 13 days
Frozen: 13 days
Refrigerated: 13 days
Frozen: 13 days
TAT
3 - 7 days
| Result Code | Result Name | LOINC |
|---|---|---|
| 085927 | AChR Blocking Abs, Serum | 11561-8 |
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