G-6-PD, Quant, RBC Useful in evaluation of patients with Coombs-negative nonspherocytic
hemolytic anemia. Abnormal values are usually 0% to 20% of normal mean.G-6-PD deficiency has very high…
GABA-B Receptor Ab Useful for Evaluating new onset encephalopathy encompassing 1 or more of the following: confusional states, psychosis, delirium, memory loss, hallucinations, seizures, dyss…
Gabapentin Useful For: Monitoring serum concentration of gabapentin; Assessing
compliance; Assessing signs of toxicity. Therapeutic ranges are based on specimens drawn at trough.
GAD65 Ab, CSF Possible use in evaluating patients with stiff-man syndrome, autoimmune
cerebellitis and other acquired central nervous system disorders
affecting gabaminergic neurotrans…
Galacose-alpha-1,3 IgE Previous reports (JACi 2009;123:426-433) have demonstrated that patients with IgE antibodies to galactose-a-1,3-galactose are at risk for delayed anaphylaxis, angioedema, o…
Galactokinase, Blood Useful For: Diagnosis of galactokinase deficiency, the second most
common cause of galactosemia. GALK deficiency is treated with a
lactose-restricted diet. Early treatmen…
Galactose-1-P Uridyltransferase, RBC Useful For: Diagnosis of GALT deficiency, the most common cause of
galactosemia and confirmation of abnormal state newborn screening
results.
Galactose-1-Phosphate Urdyltrns Phenotype RBC A quantitative galactose-1-phosphate uridyltransferase level (GALT/8333
Galactose-1-Phosphate Uridyltransferase [GALT], Blood) is used in
addition to the isoelectric focu…
Galactose-1-Phosphate, RBC Spin suspension 10 min at 2,000rmp, remove and discard saline. Repeat 2 more times. Freeze cell pellet in plastic vial.
Test should be scheduled in advance to be sure staf…
Galactose, QN, Plasma A comparison of plasma and urine galactose and blood
galactose-1-phosphate (Gal-1-P) levels may be useful in distinguishing
between the 3 forms of galactosemia. Positive …
Galactosemia Gene Analysis (14 mutation) Useful For: Second-tier test for confirming a diagnosis of galactosemia
(indicated by enzymatic testing or newborn screening); Carrier testing
family members of an affect…
Ganciclovir Peak level should be drawn 30-60 minutes after dosing. Trough should be
drawn no more than 30 minutes prior to next dose.
Ganglioside Ab Panel Useful For: Supporting diagnosis of neurological diseases - primarily
motor neuron disease and motor neuropathies.
Components: Z1361 IgG Monos, GM1; Z1362 IgM Monosialo G…
Gastrin Useful for: Investigation of patients with achlorhydria or pernicious
anemia, Investigation of patients suspected of having Zollinger-Ellison syndrome, Diagnosis of gastri…
Gerbil Epithelium IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
GGT GGT measurement is principally used to diagnose and monitor
hepatobiliary disease. GGT in serum can be used to ascertain whether
observed elevations of ALP is due to skel…
GHB (Gamma-hydroxybutyric Acid) Serum GHB is a CNS depressant used as an intoxicant. It has many street names, including "Georgia Home Boy", "Liquid Ecstasy", "Mils", "G", "Liquid X", and "Liquid G", as well as…
Ginger IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Gliadin Antibodies, IgG, IgA Useful For: Evaluating patients suspected of having celiac disease,
including patients with symptoms compatible with celiac disease,
patients with atypical symptoms, and …
Gliadin IgA Positive test results for deamidated gliadin antibodies, IgA or IgG, are consistent with the diagnosis of celiac disease.
Gliadin IgG For valuating patients suspected of having celiac disease. Includes
patients with symptoms compatible with celiac disease, patients with
atypical symptoms, and individual…
GLOMERULAR BASEMENT MEM IGG Antibodies to GBM occur in patients with glomerulonephritis and/or Pulmonary hemorrhage (Goodpasture's syndrome).
Glucose Normal range is ADA recommendation. Fasting specimen is preferred.
Glucose 1 HR PP Patient should have had a meal 1 hr before specimen is collected.
Glucose Tolerance - 1 Hr Prenatal Study Some physicians will instruct the patient to eat breakfast prior to the test. If the patient is not fasting only the 1hr post breakfast specimen should be drawn.
Component…
Glucose, Fluid Evaluate fluid for septic or inflammatory processes.
Components:
FGLU Glucose, Fluid
FLTYP Fluid Type
Glutamic Acid Decarb 65 Ab GAD is a neuronal enzyme involved in synthesis of the neurotransmitter
GABA. Antibodies directed against the 65-kd isoform of GAD are seen in a variety of autoimmune neuro…
Gluten IgG The clinical utility of food-specific IgG tests has not been
estabilished. It should be recognized that the presence of food-
specific IgG alone cannot be taken as eviden…
GlycoMark Variation to reference intervals may occur with certain ethnic groups.
0-17 years range is not established. A low result corresponds to high
glucose peaks.
Goat Epithelium IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Goat's Milk IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Gonadotropin Releasing Hormone Gonadotropin-Releasing Hormone, also known as Luteinizing
Hormone-Releasing Hormone, is a decapeptide secreted pulsatily from the hypothalamus. Patient should not be on an…
Gonorrhoeae Culture Isolate and identify N. gonorrhoeae; diagnose gonorrhea.
GQ1B IgG Ab, EIA GQ1B is associated with acute neuropathy with facial paralysis,
areflexia, opthalmoplegia, ataxia. Disease tested for: Miller-Fisher
syndrome
Grain Elevator Dust IgE Tests for Grain elevator dust for equal parts: Corn, Peanut, sorghum,
soybean, rye, rice oat, milo and wheat.
Grain Weevil, IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Gram Stain Determine presence of bacteria, yeast, neutrophils, and epithelial
cells; establish presence of potentially pathogenic organisms.
Granulocyte Ab Useful For: work-up of individuals having febrile, nonhemolytic
transfusion reactions; detection of individuals with autoimmune
neutropenia. A positive result in an indiv…
Grapefruit, IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Green Pepper IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Green String Bean IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Group A Strep Culture Isolate and identify beta-hemolytic Group A Streptococcus from throat
swabs.
Group A Strep, Rapid Antigen Screen Diagnose strep throat (Group A Streptococcus). Beta Strep Culture will
be reflexed on negative rapid screens.
Group B Strep by PCR Isolate and identify Group B Streptococcus in pre-partum and
intra-partum women.
Guar Gum IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Guava, IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Guinea Pig Epithelium IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms.
Gum Arabic, IgE Testing for IgE antibodies may be useful to establish the diagnosis of
an allergic disease and to define the allergens responsible for
eliciting signs and symptoms. Gum a…
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