Calcium channel antibody

Referred to Berkshire & Surrey Pathology Services, Frimley Park Hospital Frimley Park Hospital NHS Foundation Trust, Portsmouth Road, Frimley, Surrey GU16 7UJ

Alternative names, keywords

Voltage-gated Ca channel antibody, anti VGCC

Samples required

Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.

Test indications


Test information

IgG, detected by RIA

Reference range

< 45 pM negative
45 - 100 pM low positive
> 100 pM positive

Disease associations:

Lambert-Eaton Syndrome (with or without SCLC): > 85%

Cerebellar ataxia associated with SCLC: around 30%

Turnaround time

Referral lab quotes turnaround time of 8 weeks, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results.


Immunology (Referrals)