P/Q-Type Voltage-Gated Calcium Channel (VGCC) Antibody
Test Mnemonic
VOLTCA
CPT Codes
- 86596 - QTY (1)
Aliases
- Voltage-Gated Calcium Channel (VGCC) Antibody
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Separate from cells ASAP or within 2 hours of collection and transfer to standard aliquot tube. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Refrigerated | Separate from cells ASAP or within 2 hours of collection and transfer to standard aliquot tube. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | After separation from cells: 2 weeks |
| Frozen | After separation from cells: 1 month |
| Ambient | After separation from cells: 72 hours |
Days Performed
Tue
Turnaround Time
2 - 9 days
Methodology
| Name | Description |
|---|---|
| Quantitative Radioimmunoassay |
Reference Range
| P/Q-Type Calcium Channel Antibody | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Negative: 0.0 to 24.5 pmol/L | Indeterminate: 24.6 to 45.6 pmol/L | Positive: 45.7 pmol/L or greater |
Special Info
CSF will be rejected. Plasma is not acceptable. Hemolyzed or grossly lipemic specimens are unacceptable. This test is New York DOH approved.
Clinical Info
Aid in the evaluation of muscle weakness in the context neuromuscular junction disorder with or without cancer, or the diagnosis of paraneoplastic neurological syndromes.