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Test ID:
VGCCRIPA S
Voltage-gated Calcium Channel (VGCC) Antibodies by RIPA, Serum
Test Overview
Clinical Utility
Measuring VGCC antibodies is clinically useful in differentiating between neuromuscular disease and a polyneuritis. VGCC antibody-positivity should be followed by tumor investigation. If present, cancer treatment may improve symptoms of LEMS.
Method
Radioimmunoprecipitation Assay (RIPA)
Result Included
Voltage-gated Calcium Channel (VGCC) Antibodies
Aliases/Synonyms
Lambert-Eaton Myasthenic Syndrome
Specimen
Specimen Type
SerumContainers
Collection Containers
Gold top (SST)
Volume
Sample Volume
5 mL
Minimum Volume
1 mL
Collection & Handling
Handling Information
Store and send frozen (preferred).
Stability
| Refrigerated | Frozen |
|---|---|
| 7 days | 30 days |
If the specimen thaws, it is unsuitable for analysis.
Performance & Interpretation
Turnaround Time
30 days
Results
Name
Units
Reference Range
Conversion
-
Voltage-gated Calcium Channel (VGCC) Antibodies by RIPApmol/LNegative: ≤ 30
Positive: > 30
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| VGCCRIPA S | VGCC Antibodies by RIPA | 63359 |
Test Version
Last Updated
2024-06-07