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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 817–828 of 919 results Found 919 results

Quest Diagnostics

T3, Total

 $6.49

T3, Total measures the total amount of triiodothyronine in the blood, including both bound and unbound forms. It helps assess thyroid function and is particularly useful in evaluating cases of hyperthyroidism.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • T3, Total Measures total triiodothyronine (T3), including both bound and unbound hormone, used in thyroid function evaluation.

T3 Uptake

 $3.49

T3 Uptake is a test that indirectly estimates the number of available binding sites on thyroid-binding proteins, primarily thyroid-binding globulin (TBG). It is used alongside total T4 to calculate the Free Thyroxine Index (FTI), helping to assess thyroid function and differentiate between thyroid and binding protein abnormalities.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • T3 Uptake An older test used, together with total T4, to estimate free thyroid hormone levels by assessing binding protein capacity.

T4, Free

 $7.49

T4, Free measures the unbound, biologically active form of thyroxine in the blood. It is a key indicator of thyroid function and is commonly used to evaluate thyroid disorders, especially when TSH levels are abnormal.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • T4, Free (fT4) The unbound, biologically active portion of thyroxine (T4), your main thyroid hormone. A core marker for evaluating thyroid function.

T4 (Thyroxine), Total

 $5.99

This test is crucial for diagnosing thyroid conditions such as hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid). By measuring the total level of thyroxine (T4) in the blood, it helps in understanding thyroid function and identifying potential issues.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • T4, Total Measures total thyroxine (T4), including both bound and unbound hormone, used in thyroid function evaluation.
  • Free T4 Index (T7)

Tarragon (f272) IgE

 $8.99

This test measures the body's immune response to tarragon, helping to identify potential allergies to this herb. By analyzing a small serum sample, healthcare providers can determine if an individual has an IgE-mediated allergic reaction to tarragon, which is useful for diagnosing and managing dietary restrictions and allergy treatments.

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

Tea (f222) IgE

 $8.99

This test measures the body's immune response to tea, helping to identify potential tea allergies. By analyzing a small serum sample, it can provide valuable information for individuals experiencing adverse reactions to tea.

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

Testosterone, Free, Bioavailable and Total, Males (Adult), Immunoassay

 $48.49

This test panel may be helpful in assessing androgen status and screening for hypogonadism in men. This immunoassay cannot accurately measure the low testosterone levels generally found in women, children, and men with hypogonadism [1].

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
  • Bioavailable Testosterone The portion of your testosterone that's either free or loosely bound to albumin — the amount actually usable by your body's tissues.
  • Free Testosterone The small portion of your testosterone that's unbound and biologically active, considered a more accurate reflection of usable hormone than total testosterone.
  • 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.
  • Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.

Testosterone, Free, Bioavailable and Total, MS

 $36.49

This test is crucial for evaluating testicular function in males and for managing conditions like hirsutism and virilization in females. It measures the levels of free, bioavailable, and total testosterone in the body, providing comprehensive insights into an individual's hormonal balance.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Albumin The main protein made by your liver, which helps balance fluids and carries hormones, vitamins, and medications through your blood. Low levels can point to liver, kidney, or nutrition issues.
  • Bioavailable Testosterone The portion of your testosterone that's either free or loosely bound to albumin — the amount actually usable by your body's tissues.
  • Free Testosterone The small portion of your testosterone that's unbound and biologically active, considered a more accurate reflection of usable hormone than total testosterone.
  • 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.
  • Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.

Testosterone, Free, Direct

 $16.99

Free testosterone is the biologically active form of testosterone not bound to proteins in the blood. Measuring free testosterone helps evaluate hormonal imbalances and can aid in diagnosing conditions related to reproductive or endocrine function in both men and women.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Free Testosterone The small portion of your testosterone that's unbound and biologically active, considered a more accurate reflection of usable hormone than total testosterone.

Testosterone, Free, Direct With Total Testosterone, LC/MS-MS

 $28.99

Testosterone, Free, Direct With Total Testosterone, LC/MS-MS provides a comprehensive evaluation of androgen status. Total testosterone reflects the overall amount of testosterone in the bloodstream, while direct free testosterone represents the unbound, biologically active portion available for use by the body. This panel is valuable for evaluating androgen status in patients with symptoms of hormonal imbalance, such as infertility, sexual dysfunction, or irregular menstrual cycles. It helps differentiate between primary and secondary hypogonadism and is also useful for monitoring testosterone replacement therapy.

More info
Sample type
Serum
Avg. sample processing time
5 Business days
Require fasting
No
Biomarkers
  • Free Testosterone The small portion of your testosterone that's unbound and biologically active, considered a more accurate reflection of usable hormone than total testosterone.
  • Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.

Testosterone, Total, Males (Adult), Immunoassay

 $11.49

This test measures the level of testosterone in the body, which is mostly bound to transport proteins like sex hormone binding globulin (SHBG). Only a small fraction of testosterone is free and active. Understanding testosterone levels can help in diagnosing and treating conditions such as erectile dysfunction, infertility, gynecomastia (enlarged breast tissue in men), osteoporosis, and in assessing hormone replacement therapy.

More info
Sample type
Serum
Avg. sample processing time
4 Business days
Require fasting
No
Biomarkers
  • Testosterone The primary male sex hormone, also present in women in smaller amounts. Evaluated for low testosterone symptoms, fertility, and reproductive hormone imbalances.

Thyme (f273) IgE

 $8.99

This test measures the body's immune response to thyme, helping to identify potential thyme allergies. By analyzing a small serum sample, healthcare providers can understand if an individual's immune system reacts abnormally to thyme, which is crucial for diagnosing and managing allergies effectively.

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