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

Test info

  
Voltage-gated calcium channel (VGCC) antibody panel
  
994
  
LAB994
  
MSO
  
Lambert-Eaton
Lambert Eaton
P/Q calcium channel
N calcium channel
VGCC Ab
  
P/Q-Type Calcium Channel Antibody
N-Type Calcium Channel Antibody
  

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.

Specimen

  
Serum
  

Gold serum separator (SST) tube

  
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

  

Red serum vial/tube, 5 mL

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

Transfer vial/tube with cap - 12mL (LabCorp)

  

Refrigerated – 2 weeks (preferred)

Ambient – 48 hours

Frozen – 1 month

  
  • Hemolysis
  • Gross lipemia

Performance

  
ARUP (3002046) via Labcorp (009985): R-NX
  
Tu
  
9 days
  

Quantitative Radioimmunoassay (RIA)

Clinical and Interpretive info

  
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

 

Billing

  
86596 x 2

Tracking

  
07/22/2021
  
12/18/2023
  
12/18/2023