Acetylcholine receptor (AChR) binding Ab

Alphabetical Test listing

Acetylcholine receptor (AChR) binding Ab-994

  
Acetylcholine receptor (AChR) binding Ab
  
994
  
LAB994
  
MSO
  
AChR binding antibodies
ACRAB
Myasthenia gravis antibody
  

In vitro diagnostic semiquantitative determination of autoantibodies against the acetylcholine receptor in human serum and plasma. This assay is the primary test for confirming the diagnosis of acquired Myasthenia gravis.

  

No isotopes administered 24 hours prior to venipuncture.

  
Serum
  
  
1.0 mL
  
0.3 mL
  

Immediatley following collection, mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin
  

Gold serum separator (SST) tube

  
  
  1. Allow sample to clot
  2. Spin
  3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp) labelled as "serum" within 45 minutes of collection.

 

  
  

Ambient (preferred) - 14 days

Refrigerated - 14 days

Frozen - 14 days

   Freeze/thaw cylces - 3

  
  • Gross hemolysis
  • Gross icterus
  • Gross lipemia
  
LabCorp Burlington (085902): R-NX
  
Mn - Fr
  
2 - 4 days
  

This assay measures antibodies that precipitate solubilized 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.

  

Negative:   0.00 - 0.24 nmol/L

  
83519
  
Result 11034-6
  
11/30/2001
  
10/26/2020
  
10/26/2020