Gamma-Hydroxybutyric Acid, Serum or Plasma – Screen with Reflex to Confirmation/Quantitation Gamma-Hydroxybutyric Acid, Urine – Screen with Reflex to Confirmation/Quantitation Gastrointestinal Parasite Panel by PCR Glial Fibrillary Acidic Protein (GFAP) by Immunohistochemistry Gastrointestinal Stromal Tumor Mutation Glomerular Basement Membrane Antibody, IgG (IFA) Gastrointestinal Viral Panel by PCR Glomerular Basement Membrane Antibody, IgG by Multiplex Bead Assay GATA3 by Immunohistochemistry Glomerular Basement Membrane Antibody, IgG by Multiplex Bead Assay and IFA Gaucher Disease (GBA) 8 Mutations Glomerular Filtration Rate, Estimated Genomic SNP Microarray, Products of Conception Glucagon Gentamicin, Peak Level Glucose Screen, Pregnancy Gentamicin, Random Level Glucose Tolerance Test Gentamicin, Trough Level Glucose Tolerance Test, Pregnancy
