| LACO | Lacosamide, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LDH | Lactate Dehydrogenase (LD) LAB96 UnityPoint Finley | 
      
        | FLD | LACTATE DEHYDROGENASE, BODY FLUID [LAB188] St. Luke's Hospital Cedar Rapids | 
      
        | LA | Lactate LAB95 UnityPoint Finley | 
      
        | SFLAC | Lactic Acid, CSF, LAB187 St. Luke's Hospital Cedar Rapids | 
      
        | LAMBFM | Lamb, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LQUART | Lamb's Quarter Weed, IgE, Serum, LAB1657 St. Luke's Hospital Cedar Rapids | 
      
        | LAMOTM | Lamotrigine, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LATX | Latex, IgE, Serum, LAB1737 St. Luke's Hospital Cedar Rapids | 
      
        | ULEADM | Lead, 24 Hour, Urine Mayo Clinic Laboratories in Rochester | 
      
        | LEADX | LEAD, CAPILLARY BLOOD  Pathology Laboratory Des Moines, IA | 
      
        | PBDVM | Lead, Venous, with Demographics, Blood Mayo Clinic Laboratories in Rochester | 
      
        | ULEGAG | Legionella Antigen, Urine, LAB886 St. Luke's Hospital Cedar Rapids | 
      
        | LEGABM | Legionella pneumophila (Legionnaires Disease), Antibody, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LEGRPM | Legionella species, Molecular Detection, PCR, Varies Mayo Clinic Laboratories in Rochester | 
      
        | LEMON | Lemon, IgE, Serum, LAB1606 St. Luke's Hospital Cedar Rapids | 
      
        | FLEPM | Leptin Esoterix Endocrinology | 
      
        | LEPTOM | Leptospira, IgM, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LEVET | Levetiracetam (Keppra) Pathology Laboratory Des Moines, IA | 
      
        | LIMEM | Lime, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LINSM | Linseed, IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIPAS | Lipase LAB99 UnityPoint Finley | 
      
        | LIPIDP | Lipid Panel LAB18 UnityPoint Finley | 
      
        | LMPPM | Lipoprotein Metabolism Profile, Serum Mayo Clinic Laboratories in Rochester | 
      
        | LIPOAM | Lipoprotein(a), Serum Mayo Clinic Laboratories in Rochester |