| WALNT | Walnut Tree, IgE, Serum, LAB2772 St. Luke's Hospital Cedar Rapids | 
      
        | WALNUT | Walnut-Food, IgE, Serum, LAB604 St. Luke's Hospital Cedar Rapids | 
      
        | COUMAM | Warfarin, Plasma NMS Labs | 
      
        | ALLWAS | WASP VENOM ALLERGEN [LAB2773] Pathology Laboratory Des Moines, IA | 
      
        | WMELNM | Watermelon, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WBCCNT | WBC LAB299 UnityPoint Finley | 
      
        | WBCWD | WBC with Differential LAB334 UnityPoint Finley | 
      
        | WEED5 | Weed Panel, IgE, Serum LAB2953 St. Luke's Hospital Cedar Rapids | 
      
        | WNVABM | West Nile Virus Antibody, IgG and IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WNGMM | West Nile Virus Antibody, IgG and IgM, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | WNVPCM | West Nile Virus, RNA, PCR, Molecular Detection, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | WESRAG | Western Ragweed, IgE, Serum, LAB1663 St. Luke's Hospital Cedar Rapids | 
      
        | WHEAT | Wheat, IgE, Serum, LAB590 St. Luke's Hospital Cedar Rapids | 
      
        | WHEYM | Whey, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WASHT | White Ash Tree, IgE, Serum, LAB1632 St. Luke's Hospital Cedar Rapids | 
      
        | WBEAN | White Bean, IgE, Serum, LAB1612 St. Luke's Hospital Cedar Rapids | 
      
        | WFHV | White Faced Hornet Venom, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WHICM | White Hickory, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WPINEM | White Pine, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | TATOR | White Potato, IgE, Serum, LAB637 St. Luke's Hospital Cedar Rapids | 
      
        | WEGGM | Whole Egg, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WRGRM | Wild Rye Grass, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | WILLOD | Willow Tree, IgE, Serum, LAB2789 St. Luke's Hospital Cedar Rapids | 
      
        | SCWND | Wound Culture, LAB503 St. Luke's Hospital Cedar Rapids |