| 
          FIFNY 
         | 
        
          Interferon-gamma (IFN-y) Serum Eurofins Viracor
         | 
      
      
        | 
          IL28Q 
         | 
        
          Interleukin 28B (IL28B) Variant (rs12979860), Varies Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          IL1B 
         | 
        
          Interleukin-1 Beta, Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          SIL2R 
         | 
        
          Interleukin-2 Receptor Alpha Soluble, Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          FIL4S 
         | 
        
          Interleukin-4 (IL-4) Serum Eurofins Viracor
         | 
      
      
        | 
          IL6DX 
         | 
        
          Interleukin-6, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          FIL8S 
         | 
        
          Interleukin-8 (IL-8) Serum Eurofins Viracor
         | 
      
      
        | 
          IFBA 
         | 
        
          Intrinsic Factor Blocking Antibody, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          UIOD 
         | 
        
          Iodine, 24 Hour, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          IOD 
         | 
        
          Iodine, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          IODCU 
         | 
        
          Iodine/Creatinine Ratio, Random, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          HEXP 
         | 
        
          Iohexol, Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          HEXU 
         | 
        
          Iohexol, Timed Collection, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          LAB94 
         | 
        
          Iron Altru Health System, Grand Forks, ND
         | 
      
      
        | 
          SFEC 
         | 
        
          Iron and Total Iron-Binding Capacity, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          LAB829 
         | 
        
          Iron Binding Capacity (IBC) Altru Health System, Grand Forks, ND
         | 
      
      
        | 
          FET 
         | 
        
          Iron, Liver Tissue Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          IRON 
         | 
        
          Iron, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          FIVCZ 
         | 
        
          Isavuconazole (CRESEMBA) LC-MS/MS Eurofins Viracor
         | 
      
      
        | 
          ISPCA 
         | 
        
          ISH Additional (Bill Only) Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ISA26 
         | 
        
          ISH Additional, Professional Only (Bill Only) Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ISTOA 
         | 
        
          ISH Additional, Tech Only (Bill Only) Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ISPCI 
         | 
        
          ISH Initial (Bill Only) Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ISH26 
         | 
        
          ISH Initial, Professional Only (Bill Only) Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          ISTOI 
         | 
        
          ISH Initial, Tech Only (Bill Only) Mayo Clinic Laboratories in Rochester
         |