- Walnut (Nut) IgE
- Walnut (Tree) IgE
-
Warthin-Starry for Organisms (
Warthin
) -
Wasp Venom, IgE, Serum (
Paper Wasp (polistes spp.)
) -
Watermelon, IgE, Serum (
Citrullus lanatus; Citrullus vulgaris
) -
West Nile Virus Antibody, IgG and IgM, Serum (
Arbovirus, Flavivirus, Mosquito borne encephalitis, Viral encephalitis, West Nile virus (WNV)
) - Wheat IgE
- White Ash IgE
-
White Bean, IgE, Serum (
Bean; Cannellini Bean; Great Northern Bean; Haricot Bean; Marrow Bean; Phaseolus vulgaris; Pinto Bean; White Kidney Bean
) - White Blood Cell Count and Differential
-
White Faced Hornet Venom, IgE, Serum (
Bald Faced Hornet; Dolichovespula Maculata; Hornet, White Faced Venom; Venom, White Faced Hornet; White Faced Hornet Venom
) - White Mulberry IgE
-
White Pine, IgE, Serum (
Eastern White Pine; Northern White Pine; Pine, White; Pinus Strobus; Weymouth Pine
) -
White Potato, IgE, Serum (
Irish Potato; Potato; Solanum tuberosum; Spud
) -
Willow, IgE, Serum (
Black Willow; Goat Willow; Great Sallow; Pussy Willow; Salix Caprea
) -
Wilm's Tumor (
WT-1
) -
Wormwood, IgE, Serum (
Absinthe; Artemisia absinthium; Common Wormwood; Sagebrush Wormwood; Sagewort
)