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Labs

Labcorp

Labcorp tests

Take control of your health without referrals or insurance. Simply order your labs online, receive your requisition form by email, and bring it with you – printed or on your phone – to any LabCorp draw center.

Your blood draw will be performed at LabCorp, and you will not need to pay a separate fee for phlebotomy. Before scheduling your visit, ensure that your LabCorp requisition matches the information on your ID. Once complete, your secure results will be sent directly to your email.

Instructions
Quest Diagnostics

Quest Diagnostics tests

Skip the insurance hurdles and take charge of your wellness journey. Ordering Quest Diagnostics labs is entirely digital: once you purchase, we’ll instantly email a personalized requisition form to show on your phone or print.

With thousands of locations nationwide, finding a Quest Patient Service Center nearby is easy. The phlebotomy fee is already included at checkout, so there are no surprise costs at the front desk. Just bring a valid photo ID that exactly matches the name on your paperwork. After your visit, your confidential results will be securely delivered straight to your email inbox.

Instructions
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Showing 373–384 of 919 results Found 919 results

Quest Diagnostics

Gelatin, Bovine(c74) IgE

$8.99

This test measures the IgE antibody response to bovine gelatin, helping in the diagnosis of allergic diseases. It's a sensitive in vitro assay used alongside other clinical information for a comprehensive diagnosis.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No

Gerbil (e209) IgE

$8.99

This test measures the IgE antibody levels in response to gerbil allergens in your blood. It's specifically designed to help identify if you have an allergy to gerbils, which can be useful for individuals experiencing allergy symptoms when exposed to these pets.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers

GGT

$4.99

This test measures gamma-glutamyl transferase (GGT), an enzyme produced primarily in the liver. GGT is used in the diagnosis and monitoring of hepatobiliary diseases.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • GGT Gamma-glutamyl transferase, a liver enzyme sensitive to bile duct problems and alcohol use, often used alongside other liver tests.

Giant Ragweed (Tall) (w3) IgE

$8.99

This test measures the body's allergic response to Giant Ragweed by checking the level of specific IgE antibodies in the serum. It's particularly useful for individuals who may be experiencing seasonal allergies, helping to confirm the cause of symptoms.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No

Giardia Antigen, EIA, Stool

$51.99

Giardiasis is recognized as an important human intestinal disease in most areas of the world. The causative organism, Giardia duodenalis (lamblia), is the most frequently identified protozoan parasite in stool specimens submitted to public health laboratories. This parasite has been implicated in a number of epidemics, and the endemicity in the U.S. is well recognized. Acute symptoms of Giardiasis may include diarrhea, malabsorption, abdominal cramps, anorexia, nausea, weight loss, flatulence, anemia, and general weakness lasting from several weeks to several months. Chronic infections can also occur with or without an acute phase, are often associated with treatment failure, and may result in recurrent symptoms. Infection with Giardia may also be asymptomatic.

More info
Sample type
Stool
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers

Ginger (f270) IgE

$8.99

This test measures the body's immune response to ginger by checking for specific IgE antibodies in the serum. It's useful for identifying potential ginger allergies, helping to guide dietary choices and manage allergic reactions.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers

Gliadin (Deamidated) Antibody (IgA)

$18.49

This test checks for antibodies against gliadin, a key protein in gluten, to help diagnose celiac disease. While gliadin antibodies can appear in people without celiac disease, making the test less specific, recent advancements have improved its accuracy. The test now uses deamidated gliadin peptides, which have a higher chance of detecting celiac disease accurately due to their strong reaction with celiac-specific antibodies.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No

Gliadin (Deamidated) Antibody (IgG)

$18.49

This test checks for antibodies against gliadin, a key protein in gluten, to help diagnose celiac disease. While gliadin antibodies can appear in people without celiac disease, making the test less specific than others, recent advancements have improved its accuracy. The test now uses deamidated gliadin peptides, which have a higher chance of detecting celiac disease accurately.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No

Gliadin (Deamidated) Antibody (IgG, IgA)

$36.99

This test is crucial for diagnosing celiac disease by detecting antibodies against gliadin, a key protein in gluten. While gliadin antibodies can appear in people without celiac disease, making the test less specific, recent advancements have improved its accuracy. The test now focuses on deamidated gliadin peptides, which have a stronger reaction with antibodies in celiac patients, offering a more precise diagnosis compared to traditional gliadin antibody tests.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No

Glial Fibrillary Acidic Protein (GFAP), Plasma

$345.99

Glial fibrillary acidic protein (GFAP) is a protein expressed in astrocytes, cells that support neurons and help form the blood-brain barrier, found within the central nervous system (CNS), and is involved in several important CNS processes. It is a marker of astrogliosis and is upregulated in the brain as a result of attempts at repair and the formation of a glial scar. Glial scarring occurs as a result of several neurodegenerative processes, including Alzheimer's disease, multiple sclerosis, and neuromyelitis optica. It can also be seen after damaging pathological events such as traumatic brain injury and stroke [1]. Increased presence of GFAP can also be observed in association with brain tumors such as glioblastoma multiforme [2]. GFAP expression is known to decrease in disorders such as schizophrenia, bipolar disorder, and depression [3].

More info
Sample type
Plasma
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Glial Fibrillary Acidic Protein (GFAP) A protein released by brain support cells (astrocytes) when they're injured. Studied as a marker of brain injury and certain neurological conditions.

Glucagon

$27.99

This test is primarily used to check for a specific type of tumor in the pancreas known as a glucagon-secreting tumor or glucagonoma. Glucagonomas can lead to a unique set of symptoms including a distinctive rash, mild diabetes, weight loss, and low levels of amino acids in the blood (hypoaminoacidemia). High levels of glucagon in the plasma confirm the presence of a glucagonoma.

More info
Sample type
Plasma
Avg. sample processing time
5 Business days
Require fasting
Yes
Biomarkers

Glucose

$4.99

This test measures the concentration of glucose in the blood. Blood glucose levels are used for the diagnosis and treatment of carbohydrate metabolic disorders.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Glucose Your blood sugar level at the time of the test โ€” a core marker for diagnosing and monitoring diabetes and metabolic health.
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