REF MISC
Voltage-gated Calcium Channel Antibody (VGCCA)
Synonyms:
VGCCA
Voltage gated Calcium Channel Antibody
LEMS Autoantibody
Lambert-Eaton Myasthenic Syndrome Antibody
VGCC Antibody
Performing Lab:
Referral Laboratory
Patient Preparation:
Patient should have no radioactive isotopes administered 24 hours prior to venipuncture.
Container Type:
Plain red-top or serum gel tube
Specimen Type:
Serum
Preferred Volume:
0.5 mL
Minimum Volume:
0.4 mL (Note: This volume does not allow for repeat testing.)
Collection Procedure:
Serum should be separated from cells within one hour and transferred to a plastic transport tube.
Specimen Processing:
Serum should be separated from cells within one hour and transferred to a plastic transport tube.
Store and Transport:
Room Temperature
Stability:
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Freeze/thaw cycles: Stable x3
Unacceptable Condition:
Nonserum specimen; gross hemolysis; gross lipemia
CPT Codes:
86596
Method:
Radioimmunoassay (RIA)
Reference Ranges:
Clinical Significance:
Measurement of P/Q-type voltage-gated calcium channel (VGCC) antibodies as an aid in the diagnosis of Lambert-Eaton myasthenic syndrome (LEMS)
Reflex Test :