| LACO | Lacosamide, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LDH | LACTATE DEHYDROGENASE (LDH) NRLS-Core Chemistry | 
      
        | LDBF | Lactate Dehydrogenase (LDH), Body Fluid Mayo Clinic Laboratories in Rochester | 
      
        | BFLDH | LACTATE DEHYDROGENASE (LDH), Body Fluid NRLS-Core Chemistry | 
      
        | LAPYP | Lactate Pyruvate Panel, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | LACTIC | LACTIC ACID NRLS-Core Chemistry | 
      
        | LASF1 | Lactic Acid, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | LAMO | Lamotrigine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LATX | Latex, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LDLD | LDL CHOLESTEROL DIRECT NRLS-Core Chemistry | 
      
        | PBDC | Lead, Capillary, with Demographics, Blood Mayo Clinic Laboratories in Rochester | 
      
        | PBDV | Lead, Venous, with Demographics, Blood Mayo Clinic Laboratories in Rochester | 
      
        | SLEG | Legionella pneumophila (Legionnaires Disease), Antibody, Serum Mayo Clinic Laboratories in Rochester | 
      
        | URLEGSTR | LEGIONELLA/STREPTOCOCCUS PNEUMONIAE URINARY ANTIGEN NRLS-Microbiology | 
      
        | FLEP | Leptin Esoterix Endocrinology | 
      
        | LCMS | Leukemia/Lymphoma Immunophenotyping, Flow Cytometry, Varies Mayo Clinic Laboratories in Rochester | 
      
        | RLTE4 | Leukotriene E4, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | LEVE | Levetiracetam, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LID | Lidocaine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIP | LIPASE NRLS-Core Chemistry | 
      
        | LPSBF | Lipase, Body Fluid Mayo Clinic Laboratories in Rochester | 
      
        | LIPPROF | LIPID PROFILE NRLS-Core Chemistry | 
      
        | LIPA1 | Lipoprotein(a), Serum Mayo Clinic Laboratories in Rochester | 
      
        | LISMONPCR | LISTERIA MONOCYTOGENES PCR CSF NRLS-Microbiology | 
      
        | LITH | LITHIUM NRLS-Core Chemistry |