Voltage-Gated Calcium Channel (VGCC) Antibody Panel
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.
New York DOH Approval Status
Plain Red or Serum Separator Tube (SST).
Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL to an ARUP Standard Transport Tube. (Min.: 0.2 mL)
Hemolyzed or grossly lipemic specimens.
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month
|N-Type Calcium Channel Antibody||69.9 pmol/L or less|
|P/Q-Type Calcium Channel Antibody||24.5 pmol/L or less|
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
|N-Type Calcium Channel Antibody||0.0 to 69.9 pmol/L: Negative
70.0 to 110.0 pmol/L: Indeterminate
100.1 pmol/L or greater: Positive
|Voltage-Gated Calcium Channel (VGCC) Ab||0.0 to 24.5 pmol/L: Negative
24.6 to 45.6 pmol/L: Indeterminate
45.7 pmol/L or greater: Positive
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|
|0092629||P/Q-Type Calcium Channel Antibody||33980-4|
|3002047||N-Type Calcium Channel Antibody||33979-6|
- Lambert Eaton
- N calcium channel
- N VGCC Ab
- P/Q calcium channel
- VGCC Ab