Voltage-gated calcium channel (VGCC) antibody panel

Alphabetical Test listing

Voltage-gated calcium channel (VGCC) antibody panel-994

  
Voltage-gated calcium channel (VGCC) antibody panel
  
994
  
LAB994
  
MSO
  
Lambert-Eaton
  

Detect antibodies for P/Q type and N-type voltage-gated calcium channels. Aid in the evaluation of muscle weakness in the context neuromuscular junction disorder with or without cancer, or the diagnosis of paraneoplastic neurological syndromes.

  
Serum
  
  
1.0 mL
  
0.2 mL
  

Immediately following collection, thoroughly mix sample by gently inverting 5 times

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin within two (2) hours of sample collection
  

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 two (2) hours of sample collection
  
  

Refrigerated – 2 weeks (preferred)

Ambient – 48 hours

Frozen – 1 month

  
  • Hemolysis
  • Gross lipemia
  
ARUP (3002046) via Labcorp (009985): R-NX
  
Tu
  
9 days
  

Quantitative Radioimmunoassay (RIA)

  
N-type calcium channel antibody   
Negative          0.0 - 69.9 pmol/L
Indeterminate  70.0 - 110 pmol/L
Positive   ≥110.1 pmol/L

 

P/Q-type voltage-gated dalcium channel (VGCC) antibody
Negative  0.0 - 24.5 pmol/L
Indeterminate  24.6 - 45.6 pmol/L
Positive  ≥45.7 pmol/L

 

  
83519 x 2
  
07/22/2021
  
07/23/2021