| LACO | Lacosamide, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LACTASE | LACTASE APH Peds Specialty Lab Only | 
      
        | LACTATE  DEHYDROGENASE | LACTATE DEHYDROGENASE All Hospitals, FSEDs, and Cancer Centers | 
      
        | BF LDH | LACTATE DEHYDROGENASE BODY FLUID ORMC, Bayfront and South Lake  Only | 
      
        | LAPYP | Lactate Pyruvate Panel, Plasma Mayo Clinic Laboratories in Rochester | 
      
        | LACTIC ACID ARTERIAL | LACTIC ACID ARTERIAL All Hospitals and FSEDs | 
      
        | LACTIC ACID VENOUS | LACTIC ACID VENOUS All Hospitals and FSEDs | 
      
        | LASF1 | Lactic Acid, Spinal Fluid Mayo Clinic Laboratories in Rochester | 
      
        | LACTOFERRIN DETECTION STOOL | LACTOFERRIN DETECTION STOOL All Hospitals except Bayfront and South Seminole | 
      
        | FLACQ | Lactoferrin, Quantitative, Stool Quest Diagnostics Nichols Institute | 
      
        | LACTULOSE MANNITOL LEAKY GU... | LACTULOSE MANNITOL LEAKY GUT AND TRANSIT APH Peds Specialty Lab Only | 
      
        | LAMO | Lamotrigine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LATX | Latex, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | PBDV | Lead, Venous, with Demographics, Blood Mayo Clinic Laboratories in Rochester | 
      
        | LEGIONELLA AND STREP PNEUMO... | LEGIONELLA AND STREP PNEUMOPHILIA ANTIGEN URINE ORMC, Bayfront, Health Central, Saint Cloud and South Lake Only Only | 
      
        | LEGIONELLA CULTURE | LEGIONELLA CULTURE ORMC Only | 
      
        | SLEG | Legionella pneumophila (Legionnaires Disease), Antibody, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LEPDT | Leptospira, IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LEVE | Levetiracetam, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LUTEINIZING HORMONE | LH ORMC, Bayfront and South Lake Only | 
      
        | LID | Lidocaine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIPASE | LIPASE All Hospitals, FSEDs and ORMC Cancer Center | 
      
        | LIPID PANEL WITH REFLEX TO ... | LIPID PANEL WITH REFLEX TO DIRECT LDL IF INDICATED All Hospitals | 
      
        | LMPP | Lipoprotein Metabolism Profile, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIPA1 | Lipoprotein(a), Serum Mayo Clinic Laboratories in Florida |