Voltage-gated Calcium Channel Antibody (VGCCA):
Fasting Required: No
Lab: Quest Diagnostics
Specimen: Serum
Results: Set up on Wednesday evening. Average processing time, 9 days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Description: Used as an aid in the diagnosis of Lambert-Eaton Myasthenic Syndrome (LEMS), an autoimmune disorder that causes muscle weakness of the limbs. This disorder causes antibodies to interfere with the transmission of acetylcholine 1-3.
Alternate Name: Lambert-Eaton Test
Lab: Quest Diagnostics
Specimen: Serum
Results: Set up on Wednesday evening. Average processing time, 9 days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Description: Used as an aid in the diagnosis of Lambert-Eaton Myasthenic Syndrome (LEMS), an autoimmune disorder that causes muscle weakness of the limbs. This disorder causes antibodies to interfere with the transmission of acetylcholine 1-3.
Alternate Name: Lambert-Eaton Test
