GALCW - Overview: Galactocerebrosidase, Leukocytes

Diagnosis of Krabbe disease Follow-up testing for evaluation of an abnormal newborn screening result for Krabbe disease This test is not intended for carrier detection.

GPI1 - Overview: Glucose Phosphate Isomerase Enzyme Activity, Blood

The evaluation of individuals with Coombs-negative chronic hemolysis

G6PD1 - Overview: Glucose 6-Phosphate Dehydrogenase Enzyme Activity, Blood

Evaluation of individuals with episodic or chronic Coombs-negative nonspherocytic hemolytic anemia Rapid testing to assess glucose 6-phosphate dehydrogenase (G6PD) enzyme capacity prior to rasburicase or other therapies that may cause...

GGUM - Overview: Guar Gum, IgE, Serum

Establishing the diagnosis of an allergy to guar gum Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization...

WGSEQ - Overview: Gamma-Globin Full Gene Sequencing, Varies

An adjunct in the interpretation of hemoglobin electrophoresis results Evaluation for suspected gamma variants or nondeletional hereditary persistence of fetal hemoglobin Assessment of unstable gamma chain variants when other tests for...

G6PDC - Overview: Glucose 6 Phosphate Dehydrogenase Enzyme Activity, Blood

Evaluation of individuals with episodic or chronic Coombs-negative nonspherocytic hemolytic anemia Rapid testing to assess glucose-6-phosphate dehydrogenase (G6PD) enzyme capacity prior to rasburicase or other therapies that may cause...

GD65C - Overview: Glutamic Acid Decarboxylase (GAD65) Antibody Assay, Spinal Fluid

Possible use in evaluating patients with autoimmune encephalitis, stiff-person syndrome, autoimmune ataxia, autoimmune epilepsy, and other acquired central nervous system disorders affecting gabaminergic neurotransmission

GMCSF - Overview: Granulocyte Monocyte-Colony Stimulating Factor, Plasma

Measuring the concentration of granulocyte macrophage-colony stimulating factor (GM-CSF) in plasma Understanding the etiology of chronic inflammatory diseases or infections, when used in conjunction with clinical information and other...

GCTF - Overview: Germ Cell Tumor (GCT), Isochromosome 12p, FISH, Tissue

Supporting the diagnosis of germ cell tumors when used conjunction with an anatomic pathology consultation

FCDUE - Overview: Gabapentin, Umbilical Cord Tissue

Gabapentin, Umbilical Cord Tissue