| GABA | Gabapentin, Serum Mayo Clinic Laboratories in Rochester | 
      
        | APGAL | Galactose-Alpha-1,3-Galactose (Alpha-Gal) Mammalian Meat Allergy Profile, Serum Mayo Clinic Laboratories in Rochester | 
      
        | ALGAL | Galactose-Alpha-1,3-Galactose (Alpha-Gal), IgE, Serum Mayo Clinic Laboratories in Rochester | 
      
        | GGT | GAMMA-GLUTAMYLTRANSFERASE (GGT) NRLS-Core Chemistry | 
      
        | FGAGM | Ganglioside (Asialo-GM1, GM1, GM2, GD1a, GD1b, and GQ1b) Antibodies ARUP Laboratories | 
      
        | GAST | Gastrin, Serum Mayo Clinic Laboratories in Rochester | 
      
        | GIPANELPCR | GASTROINTESTINAL (GI) PANEL, PCR NRLS-Microbiology | 
      
        | GID2 | Gastrointestinal Dysmotility, Autoimmune/Paraneoplastic Evaluation, Serum Mayo Clinic Laboratories in Rochester | 
      
        | GENP | GENTAMICIN PEAK NRLS-Core Chemistry | 
      
        | GENR | GENTAMICIN RANDOM NRLS-Core Chemistry | 
      
        | GENT | GENTAMICIN TROUGH NRLS-Core Chemistry | 
      
        | GESTGLUTT2HR | GESTATIONAL GLUCOSE TOLERANCE 2 HR NRLS-Core Chemistry | 
      
        | GESTGLUTT3HR | GESTATIONAL GLUCOSE TOLERANCE 3 HR NRLS-Core Chemistry | 
      
        | DGLDN | Gliadin (Deamidated) Antibodies Evaluation, IgG and IgA, Serum Mayo Clinic Laboratories in Rochester | 
      
        | DAGL | Gliadin (Deamidated) Antibody, IgA, Serum Mayo Clinic Laboratories in Rochester | 
      
        | DGGL | Gliadin (Deamidated) Antibody, IgG, Serum Mayo Clinic Laboratories in Rochester | 
      
        | GBM | Glomerular Basement Membrane Antibodies, IgG, Serum Mayo Clinic Laboratories in Rochester | 
      
        | GLUC | GLUCOSE NRLS-Core Chemistry | 
      
        | GLU1PP | GLUCOSE 1 HR POST PRANDIAL (pregnant and non pregnant patients) NRLS-Core Chemistry | 
      
        | GLU2PP | GLUCOSE 2 HR POST PRANDIAL NRLS-Core Chemistry | 
      
        | G6PD1 | Glucose 6-Phosphate Dehydrogenase Enzyme Activity, Blood Mayo Clinic Laboratories in Rochester | 
      
        | GLUCFBS | GLUCOSE FASTING NRLS-Core Chemistry | 
      
        | GLUTT2 | GLUCOSE TOLERANCE 2 HR NRLS-Core Chemistry | 
      
        | GLUTT3 | GLUCOSE TOLERANCE 3 HR NRLS-Core Chemistry | 
      
        | GLUTT5 | GLUCOSE TOLERANCE 5 HR NRLS-Core Chemistry |