Voltage-Gated Calcium Channel (VGCC) P/Q-Type Antibody

Test Code

AVGCC

Quest Code

34057

Alias/See Also

Anti-Voltage Gated Calcium Channel Antibody
LEMS Antibody
Lambert-Eaton Myasthenic Syndrome
AVGCC

CPT Codes
86596

Preferred Specimen

1 mL serum

Minimum Volume

0.2 mL

Transport Container

Plastic screw-cap vial

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 35 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received room temperature • Freeze/thaw greater than 3 cycles • Gross hemolysis • Lipemic

Methodology
Radiobinding Assay (RBA)

Setup Schedule

Set up: Wed; Report available: 4 days

Reference Range

<30 pmol/L

Clinical Significance

To diagnose Lambert-Eaton myasthenic syndrome, a paraneoplastic syndrome associated with small-cell lung carcinoma.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

Last Updated: October 11, 2019

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.