| 
          LBCS 
         | 
        
          Labile Bound Copper, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
         | 
        
          Lactate Dehydrogenase (LD), Body Fluid Memorial-Belleville
         | 
      
      
        | 
           
         | 
        
          Lactate Dehydrogenase (LD), Plasma Memorial-Belleville & Siteman CC at Shiloh
         | 
      
      
        | 
          LAPYP 
         | 
        
          Lactate Pyruvate Panel, Plasma Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
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          Lactate, Plasma Memorial-Belleville & Memorial-Shiloh
         | 
      
      
        | 
           
         | 
        
          Lactate/Pyruvate Panel, Blood St. Louis Children's Hospital
         | 
      
      
        | 
           
         | 
        
          Lactate/Pyruvate Panel, CSF St. Louis Children's Hospital
         | 
      
      
        | 
           
         | 
        
          Lactoferrin No longer performed - see note.
         | 
      
      
        | 
          LAMO 
         | 
        
          Lamotrigine, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
         | 
        
          LDL-Cholesterol (Low-Density Lipoprotein), Direct Memorial-Belleville & Memorial-Shiloh
         | 
      
      
        | 
          PBPFD 
         | 
        
          Lead Profile Occupational Exposure, Blood Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          PBDV 
         | 
        
          Lead, Venous, with Demographics, Blood Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
         | 
        
          Legionella Antigen, Urine Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
          LLTOT 
         | 
        
          Leukemia and Lymphoma Immunophenotyping, Technical Only, Tissue Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
         | 
        
          Leukemia/Lymphoma Cell Marker Assessment Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
          TLTE4 
         | 
        
          Leukotriene E4, 24 Hour, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          RLTE4 
         | 
        
          Leukotriene E4, Random, Urine Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          LEVE 
         | 
        
          Levetiracetam, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
         | 
        
          Lidocaine, Serum Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
          LIME 
         | 
        
          Lime, IgE, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
           
         | 
        
          Lipase, Body Fluid Barnes-Jewish Hospital Laboratory
         | 
      
      
        | 
           
         | 
        
          Lipase, Plasma Memorial-Belleville & Memorial-Shiloh
         | 
      
      
        | 
           
         | 
        
          Lipid Panel, Plasma Memorial-Belleville & Memorial-Shiloh
         | 
      
      
        | 
          LPSC1 
         | 
        
          Lipid Panel, Serum Mayo Clinic Laboratories in Rochester
         | 
      
      
        | 
          LIPOG 
         | 
        
          Lipodystrophy Gene Panel, Varies Mayo Clinic Laboratories in Rochester
         |