Test Index - V

Vanillylmandelic acid     see VMA
Varicella-zoster virus (VZV)     see
 - screening/ immunity/ follow-up which includes VZV serology in specific patient groups.
Vasectomy check    see post-vasectomy check
Vasoactive Intestinal Polypeptide (VIP)     see gut hormones
Very long chain fatty acids     see VLCFA
Vimpat     see lacosamide
Virology and serology tests - click here, or use A to Z index or search function to look up tests individually.
Viscosity    see plasma viscosity
Vitamin B1 (thiamine)
Vitamin B2 (riboflavin)
Vitamin B6 (pyridoxal phosphate)
Vitamin B12   see B12
Vitamin D
1,25-dihydroxyvitamin D(rarely indicated)
for ?deficiency/toxicity measure total 25OH vitamin D (detects D2 and D3 forms).
VMA (HMMA, vanillylmandelic acid)
Voltage gated calcium channel (VGCC) antibody     see calcium channel antibody
Voltage gated K channel (VGKC) antibody    see LGI1 and CASPR2 antibodies (first line investigation). Potassium channel antibody available by special request.
VZV     see varicella-zoster virus