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Test ID:
VGCCAB
Voltage-Gated Calcium Channel (VGCC) Type P/Q Antibodies, Serum
Test Overview
Clinical Utility
Voltage-Gated Calcium Channel (VGCC) Type P/Q Antibody – To diagnose Lambert-Eaton myasthenic syndrome, a paraneoplastic syndrome associated with small-cell lung carcinoma.
Method
Radiobinding Assay
Result Included
Voltage-Gated Calcium Channel (VGCC) Type P/Q Antibodies
Specimen
Specimen Type
SerumVolume
Sample Volume
1 mL
Minimum Volume
0.2 mL
Collection & Handling
Handling Information
Store and send frozen.
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| 48 hours | 7 days | 35 days |
Repetitive freezing and thawing must be avoided, since this may lead to a loss of activity.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not frozen |
| Hemolysis | Gross |
| Lipemia^:Present | |
| Freeze/Thaw | Greater than 3 cycles |
Performance & Interpretation
Turnaround Time
14 days
Results
Name
Units
Reference Range
Conversion
-
VGCC Type P/Q Antibodiespmol/L<30
Referral Location
Out-of-Country
Test Version
Last Updated
2019-11-28