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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 781–792 of 919 results Found 919 results

Quest Diagnostics

Selenium (Whole Blood)

 $45.49

This test measures the level of selenium in whole blood. Selenium is a vital antioxidant mineral involved in thyroid function, immune response, and protection against oxidative stress.

More info
Sample type
Whole Blood
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Selenium Measures selenium, a trace mineral important for thyroid function and antioxidant defense.

Serotonin

 $89.99

Serotonin is a neurotransmitter involved in mood regulation, digestion, and sleep. It is primarily measured to evaluate for serotonin-producing tumors such as carcinoid tumors, or to investigate symptoms related to serotonin imbalance.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Serotonin Measures serotonin, a neurotransmitter and hormone; blood levels are used mainly to help evaluate carcinoid tumors rather than mood.

Sesame Seed (f10) IgE

 $8.99

This test measures the body's immune response to sesame seeds by checking for specific IgE antibodies in the serum. It's crucial for diagnosing sesame seed allergies, which can range from mild to severe reactions.

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

SHBG (Sex Hormone-Binding Globulin)

 $16.99

SHBG (Sex Hormone Binding Globulin) is a protein that binds to sex hormones like testosterone and estrogen, regulating their availability in the bloodstream. Measuring SHBG helps evaluate hormonal balance and can aid in diagnosing conditions such as androgen deficiency, polycystic ovary syndrome (PCOS), and thyroid dysfunction.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • SHBG (Sex Hormone-Binding Globulin) A protein that binds and transports testosterone and estrogen in your blood, determining how much hormone is 'free' and active. Important for interpreting sex hormone results.

Sheep Epithelia (e81) IgE

 $8.99

This test measures the IgE antibody levels in the blood to identify allergic reactions to sheep epithelia. It helps in diagnosing allergies related to sheep fur or dander, guiding appropriate allergy management strategies.

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

Sheep Milk (f325) IgE

 $8.99

This test measures an individual's allergic reaction to sheep milk by quantifying the IgE antibodies in the blood. It's a precise lab test used alongside other clinical evaluations to help diagnose food allergies.

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

Sheep Sorrel (w18) IgE

 $8.99

This test measures the body's immune response to sheep sorrel, a common allergen, by assessing the level of specific IgE antibodies in the serum. It helps in identifying allergic reactions to sheep sorrel, which is important for individuals experiencing allergy symptoms.

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

Shrimp (f24) IgE

 $8.99

This test is designed to identify allergic reactions to shrimp by measuring the IgE antibodies in your blood. It's a crucial step for those who suspect they might have a shrimp allergy, helping to confirm the diagnosis and guide dietary and lifestyle adjustments.

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

Sickle Cell Screen (Hemoglobin Solubility)

 $9.49

Sickle Cell Screen (Hemoglobin Solubility Test) detects the presence of hemoglobin S, the abnormal form of hemoglobin found in sickle cell disease and trait. It is a rapid screening tool used to identify individuals who may carry or be affected by sickle cell conditions.

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

Sjogren's Antibodies (SS-A, SS-B)

 $20.99

Sjögren's Antibodies (SS-A, SS-B) - Sjögren's antibodies (SS-B) is detected in approximately 15% of patients with Sjögren's Syndrome. Sjögren's antibody (SS-B) is present only if Sjögren's antibody (SS-A) is also detected. The presence of both antibodies (SS-A and SS-B) strengthen the diagnosis of Sjögren's Syndrome and conveys prognostic information.

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

Sm Antibody

 $21.49

This test is crucial for diagnosing systemic lupus erythematosus (SLE), a condition that affects the immune system. The Sm Antibody is highly specific to SLE and is found in about 15% of people with this condition. It's particularly common in young African-American women with SLE.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Sm (Smith) Antibody An autoantibody highly specific for lupus, though present in only a portion of people with the disease.

Sm/RNP Antibody

 $21.99

This test detects the presence of Smith (Sm)/U1-RNP Antibody, which is often found in patients with mixed connective tissue disease. This condition shares characteristics of systemic lupus erythematosus (SLE), scleroderma, and polymyositis, making this test crucial for diagnosis.

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