| KLHCS | Kelch-Like Protein 11 Antibody, Cell Binding Assay, Serum Mayo Clinic Laboratories in Rochester | 
      
        | KLHCC | Kelch-Like Protein 11 Antibody, Cell Binding Assay, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | KIDST | Kidney Stone Analysis Mayo Clinic Laboratories in Rochester | 
      
        | KITQ | KIT p.Asp816Val Variant Analysis, Quantitative, Varies Mayo Clinic Laboratories in Rochester | 
      
        | KIWI | Kiwi Fruit, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | Kleihauer Betke | Kleihauer Betke FMH Laboratory | 
      
        | KOH Prep | KOH Prep FMH Microbiology | 
      
        | GALC | Krabbe Disease, GALC Gene Sequencing with Deletion/Duplication, Varies Mayo Clinic Laboratories in Rochester | 
      
        | KRASW | KRAS Somatic Mutation Analysis, Peritoneal Fluid Mayo Clinic Laboratories in Rochester |