| LACO | Lacosamide, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LAC | Lactic Acid Level CCH LABORATORY | 
      
        | LAMB | Lamellar Body Number CCH LABORATORY | 
      
        | LAMO | Lamotrigine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LATX | Latex, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LDH | LDH (Lactate Dehydrogenase) CCH LABORATORY | 
      
        | FLLDH | LDH, Body Fluid CCH LABORATORY | 
      
        | LDL | LDL Cholesterol CCH LABORATORY | 
      
        | PBDV | Lead, Venous, with Demographics, Blood Mayo Clinic Laboratories in Rochester | 
      
        | LEFLU | Leflunomide Metabolite (Teriflunomide), Serum Mayo Clinic Laboratories in Rochester | 
      
        | LAGU | Legionella Antigen, Random, Urine Mayo Clinic Laboratories in Rochester | 
      
        | LEGRP | Legionella species, Molecular Detection, PCR, Varies Mayo Clinic Laboratories in Rochester | 
      
        | LEIS | Leishmaniasis (Visceral) Antibody, Serum Mayo Clinic Laboratories in Rochester | 
      
        | FLEP | Leptin Esoterix Endocrinology | 
      
        | LEPDT | Leptospira, IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LCMS | Leukemia/Lymphoma Immunophenotyping, Flow Cytometry, Varies Mayo Clinic Laboratories in Rochester | 
      
        | TLTE4 | Leukotriene E4, 24 Hour, Urine Mayo Clinic Laboratories in Rochester | 
      
        | LEVE | Levetiracetam, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIP | Lipase CCH LABORATORY | 
      
        | FLLIP | Lipase, Body Fluid CCH LABORATORY | 
      
        | LPSBF | Lipase, Body Fluid Mayo Clinic Laboratories in Rochester | 
      
        | LPP | Lipid Profile CCH LABORATORY | 
      
        | LMPP | Lipoprotein Metabolism Profile, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIPA1 | Lipoprotein(a), Serum Mayo Clinic Laboratories in Rochester | 
      
        | LITH | Lithium CCH LABORATORY |