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Order your own lab tests —
simple & on your schedule 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 253–264 of 919 results Found 919 results

Quest Diagnostics

Cortisol, LC/MS, Saliva, 4 Samples

 $233.49

Salivary cortisol level, particularly late-night salivary cortisol (LNSC) level, is useful in screening for endogenous Cushing syndrome. Two or more positive results of LNSC tests may be used to confirm Cushing syndrome. LNSC measurement may also be used to monitor for recurrence of Cushing disease [1].

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

Cortisol, P.M.

 $13.99

This test measures the level of cortisol in the body during the afternoon. High levels of cortisol can indicate Cushing's Disease, while low levels may suggest Addison's Disease (adrenal insufficiency), which affects the adrenal glands.

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

Cotton, Crude Fibers (o1) IgE

 $8.99

This test measures the body's immune response to cotton fibers by checking for specific IgE antibodies in the serum. It's useful for individuals who may have allergic reactions to cotton.

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

Cotton Seed (k83) IgE

 $8.99

This test measures the body's immune response to cotton seed through the detection of specific IgE antibodies. It's crucial for identifying potential allergic reactions to cotton seed, which can be important for individuals showing symptoms of allergies when exposed to cotton seed or related products.

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

Cottonwood (t14) IgE

 $8.99

This test measures the body's immune response to cottonwood pollen 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
Biomarkers

Cow Dander (e4) IgE

 $8.99

This test measures the immune system's response to cow dander helping to identify allergic reactions. It's a quantitative assay used alongside a patient’s medical history to assist in diagnosing allergic diseases.

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

Cow's Milk (f2) IgE

 $8.99

The test measures an individual's allergic reaction to cow's milk by quantifying IgE antibodies. This test is performed in a lab and helps in diagnosing food allergies when combined with other clinical evaluations.

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

Coxsackie A Antibodies, Serum

 $124.49

Panel currently includes testing against A-2, 4, 7, 9, 10, and 16 antigens. Although there is cross-reactivity among the enteroviruses by CF, most healthy people do not have titers >1:8. Therefore, detectable titers, especially those >1:32, should be considered diagnostic. Confirmed serodiagnosis is made by demonstration of a four-fold change in titers between acute and convalescent sera.

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

Coxsackie B Virus Antibodies

 $416.99

This test detects neutralizing antibodies to coxsackie B virus. PCR testing is preferred for diagnosis of acute infection.

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

C-Peptide

 $10.49

C-Peptide is a substance produced in the pancreas, released into the bloodstream in equal amounts to insulin. Measuring C-peptide levels helps assess how much insulin the body is producing, which can aid in distinguishing between type 1 and type 2 diabetes or evaluating insulin-producing tumors (insulinomas).

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
Yes
Biomarkers
  • C-Peptide A byproduct made in equal amounts to insulin when your pancreas produces it. Helps distinguish how much insulin your body is actually making, useful in diabetes evaluation.

Crab (f23) IgE

 $8.99

This test measures the body's allergic response to crab by detecting specific IgE antibodies in the serum. It's crucial for diagnosing seafood allergies and guiding dietary recommendations.

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

Cranberry (rf341) IgE

 $8.99

This test checks for specific IgE antibodies to identify if you have an allergy to cranberries. It's a sensitive test that can predict whether you'll have an immediate allergic reaction to cranberries.

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