Endocrine Tests

Do you have an endocrine disorder?

We provide comprehensive diagnostic testing to diagnose and monitor early endocrine disorders such as diabetes, thyroid diseases, pituitary disorders, and adrenal gland issues.

The endocrine system regulates your hormones, which are the chemical messengers that control all of your body’s functions. When something goes wrong with this system, it can lead to a group of conditions that affect the way your body uses its hormones. They can cause problems like obesity, infertility, diabetes, and various health problems, including thyroid nodules and Graves disease. These endocrine disorders are a group of conditions that affect how your body uses its hormones. They can ... See more

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The ACTH Test measures adrenocorticotropic hormone in blood to evaluate pituitary and adrenal gland function. Abnormal ACTH levels may indicate Cushing’s syndrome, Addison’s disease, adrenal tumors, or pituitary disorders. Doctors order this test to investigate symptoms such as fatigue, weight changes, weakness, or high blood pressure. Results provide vital insight into endocrine health, cortisol regulation, and adrenal-pituitary balance.

: Plasma-Unspecified Vial Pour
Also Known As: Adrenocorticotropic Hormone Test, Corticotropin Test, Cosyntropin Test


Most Popular

The DHEA Sulfate (DHEA-S) Test measures levels of DHEA-S, a hormone made by the adrenal glands, to evaluate adrenal function and hormone balance. It helps detect adrenal tumors, hyperplasia, or insufficiency and assess abnormal hair growth, infertility, or early/late puberty. Doctors also use it to investigate irregular menstrual cycles, monitor androgen disorders, and evaluate symptoms of hormone imbalance affecting reproductive and metabolic health.

: Serum
Also Known As: DHEA Sulfate Test, Dehydroepiandrosterone Sulfate Test

Most Popular

The Prolactin Test measures prolactin, a hormone produced by the pituitary gland, to assess reproductive and endocrine health. High prolactin (hyperprolactinemia) may cause infertility, irregular periods, or milk production in women and low testosterone, erectile dysfunction, or infertility in men. Doctors use this test to evaluate pituitary tumors, hormonal imbalance, or unexplained symptoms such as headaches, vision changes, or abnormal lactation.

: Serum
Also Known As: PRL Test

The Comprehensive Metabolic Panel (CMP) Plasma Test measures 21 markers of kidney, liver, and metabolic health, including electrolytes, glucose, calcium, proteins, and enzymes. Doctors order this test to evaluate conditions like diabetes, liver disease, and kidney disorders or to monitor treatment. Results provide critical insight into organ function, electrolyte balance, and overall metabolic status, guiding diagnosis, management, and preventive health care.

: Plasma-Unspecified Vial Pour
Also Known As: CMP Plasma Test, Plasma Chem Test

The Testosterone Free and Total Test measures total testosterone and free, bioavailable testosterone in blood for both men and women. It helps diagnose hormone imbalance, infertility, low libido, erectile dysfunction in men, irregular periods, or PCOS in women. Doctors also order it to assess fatigue, mood changes, or muscle weakness and to monitor hormone therapy. This test provides key insight into reproductive, endocrine, and overall metabolic health.

: Serum
Also Known As: Bound and Unbound Testosterone, Uncapped Testosterone Test

The Testosterone Free, Bioavailable, and Total Test measures total testosterone, free testosterone, and bioavailable testosterone, along with sex hormone binding globulin (SHBG) and albumin. This test provides a complete evaluation of hormone balance in men and women. Doctors use it to assess infertility, erectile dysfunction, low libido, PCOS, fatigue, or muscle loss and to monitor hormone therapy. Results offer key insight into reproductive, endocrine, and metabolic health.

: Serum
Also Known As: Bound Unbound and Bioavailable Testosterone with SHBG Test, Uncapped Testosterone

The Testosterone Free and Total and Sex Hormone Binding Globulin (SHBG) Test measures total testosterone, free testosterone, and SHBG to assess hormone balance in men and women. It helps diagnose infertility, erectile dysfunction, low libido, irregular periods, PCOS, and abnormal puberty. Doctors also use it to evaluate fatigue, muscle weakness, or mood changes and to monitor hormone therapy. This test provides a comprehensive view of reproductive, endocrine, and metabolic health.

Also Known As: Bound and Unbound Testosterone with SHBG Test, Uncapped Testosterone Test

The Testosterone Total Male Test measures testosterone levels in men to assess reproductive, sexual, and hormonal health. It helps diagnose low testosterone (hypogonadism), infertility, and erectile dysfunction. Doctors use it to evaluate fatigue, muscle loss, or low libido and to monitor testosterone therapy, hormonal balance, bone health, and overall metabolism.

Patient must be male and 18 years of age or older.
: Serum
Also Known As: Total Male Testosterone Test

The Testosterone Total Test measures total testosterone levels in blood to evaluate reproductive, sexual, and endocrine health. In men, it helps diagnose hypogonadism, infertility, erectile dysfunction, or low libido. In women, abnormal levels may indicate PCOS or hormonal imbalance. Doctors use this test to investigate fatigue, muscle weakness, or mood changes and to monitor testosterone therapy. It provides key insight into hormone balance and metabolic health.

: Serum
Also Known As: Total Testostone LCMS Test, Uncapped Testosterone Test

The Calcitonin Test measures levels of calcitonin, a hormone produced by the thyroid gland that helps regulate calcium. Elevated levels are often linked to medullary thyroid carcinoma (MTC) or other thyroid disorders, while normal results help rule out disease. Doctors use this blood test to aid in early detection, monitor treatment effectiveness, and track recurrence in patients with thyroid cancer or suspected endocrine abnormalities.

: Serum

Most Popular

The T3 Total Test measures total triiodothyronine (T3), a combination of both bound and unbound (free) T3, to assess thyroid function. Abnormal levels may indicate hyperthyroidism, hypothyroidism, goiter, or pituitary disorders. Doctors use this test to evaluate symptoms like fatigue, weight changes, anxiety, or irregular heartbeat and to monitor thyroid treatment. The T3 Total Test provides essential insight into metabolism, energy regulation, and overall endocrine health.

Also Known As: Total T3 Test, Total Triiodothyronine Test, T3 Test, Bound and Unbound T3

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The T3 Free Test measures free triiodothyronine (T3), the active thyroid hormone not bound to proteins, to assess thyroid function. It helps diagnose hyperthyroidism, hypothyroidism, goiter, and pituitary disorders. Doctors order this test to evaluate symptoms like fatigue, weight changes, anxiety, or irregular heartbeat and to monitor thyroid replacement or antithyroid therapy. The Free T3 Test provides key insight into metabolism, energy regulation, and overall endocrine health.

: Serum
Also Known As: Free T3 Test, Free Triiodothyronine Test, FT3 Test, T3F Test, Unbound T3 Test

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The T4 Total Test measures total thyroxine (T4) in blood, a combination of both bound and unbound (free) T4, to assess thyroid function. Abnormal levels may indicate hypothyroidism, hyperthyroidism, goiter, or pituitary disorders. Doctors use this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heart rate and to monitor thyroid replacement or antithyroid therapy. The T4 Total Test provides key insight into metabolic, hormonal, and endocrine health.

Also Known As: Total T4 Test, Total Thyroxine Test, T4 Test, Bound and Unbound T4 Test

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The T4 Free Test measures the level of free thyroxine (T4) in blood, the active thyroid hormone not bound to proteins. It helps diagnose thyroid disorders such as hypothyroidism, hyperthyroidism, and goiter, as well as pituitary conditions affecting hormone regulation. Doctors use this test to evaluate symptoms like fatigue, weight changes, hair loss, or irregular heartbeat and to monitor thyroid replacement or antithyroid therapy, providing insight into metabolic and endocrine health.

: Serum
Also Known As: Free T4 Test, Free Thyroxine Test, FT4 Test, T4F Test, Unbound T4 Test

Most Popular

The Thyroid Stimulating Hormone (TSH) Test measures TSH levels in blood to assess thyroid function and diagnose hypothyroidism or hyperthyroidism. It evaluates how the thyroid controls metabolism, energy, weight, and heart rate. Doctors use the TSH test to investigate symptoms such as fatigue, hair loss, or mood changes. Frequently included in routine health exams, it is also key for monitoring thyroid disease treatment and overall endocrine balance.

: Serum
Also Known As: Thyroid Stimulating Hormone Test, Thyrotropin Test

The Androstenedione Test measures levels of this steroid hormone, produced by the adrenal glands and ovaries or testes, which converts into testosterone and estrogen. Abnormal results may indicate PCOS, adrenal tumors, congenital adrenal hyperplasia, or ovarian/testicular disorders. Doctors order this test for irregular periods, infertility, excess hair growth, or early puberty. Results provide key insight into hormone balance, adrenal function, and reproductive health.

: Serum
Also Known As: AD Test

The Cortisol 2 Specimens test is a medical analysis that measures the levels of cortisol, a hormone produced by the adrenal glands, at two specific times during the day. Cortisol plays a crucial role in various bodily functions, including metabolism, immune response, and stress regulation.
: Serum
Also Known As: Cortisol Total Test, Cortisol 2 Specimen Test, 2 Specimen Cortisol Test, Cortisol Blood Test, Cortisol Serum Test

The Cortisol 3 Specimen test is a comprehensive assessment of cortisol levels in a patient's blood, collected at three specific times throughout the day, generally in 1 hour intervals. Cortisol is a steroid hormone produced by the adrenal glands, playing a vital role in stress response, metabolism, and immune function. This test provides a detailed profile of cortisol fluctuations, shedding light on potential imbalances and health implications.
: Serum
Also Known As: Cortisol Total Test, Cortisol 3 Specimen Test, 3 Specimen Cortisol Test, Cortisol Blood Test, Cortisol Serum Test

The 5 Specimen Cortisol Test is a diagnostic procedure used to measure the levels of cortisol, a steroid hormone produced by the adrenal glands, at different times throughout the day. Cortisol plays a crucial role in various functions in the body, including metabolism, reducing inflammation, and controlling the sleep-wake cycle. The 5 Specimen Cortisol Test requires the collection of blood at five different times in a single patient service center visit to track cortisol levels and its daily pattern.
: Serum
Also Known As: Cortisol Total Test, Cortisol 5 Specimen Test, 5 Specimen Cortisol Test, Cortisol Blood Test, Cortisol Serum Test

: Serum
Also Known As: Cortisol Total Test, Cortisol 6 Specimen Test, 6 Specimen Cortisol Test, Cortisol Blood Test, Cortisol Serum Test

Most Popular

The Cortisol AM Test measures morning cortisol levels in blood to evaluate adrenal gland function and stress response. Cortisol peaks in the morning, making this test critical for detecting adrenal insufficiency (Addison’s disease), Cushing’s syndrome, or other hormone imbalances. Doctors also use it to investigate fatigue, weight changes, or high blood pressure. This test provides important insight into endocrine health, metabolism, and long-term stress regulation.

: Serum
Also Known As: Morning Cortisol Test

The Cortisol Free 24-Hour Urine with Creatinine Test measures cortisol excreted in urine over 24 hours, with creatinine used to validate collection. Elevated cortisol may indicate Cushing’s syndrome, while low levels can suggest Addison’s disease or adrenal insufficiency. Doctors order this test for patients with obesity, fatigue, high blood pressure, or abnormal hormone symptoms. Results provide critical insight into adrenal gland function and hormone regulation.

: Urine
Also Known As: Unbound Urine Cortisol Test

The Cortisol PM Test measures afternoon cortisol levels to evaluate adrenal and pituitary function. Cortisol normally drops later in the day, so abnormal results may indicate Cushing’s syndrome, adrenal insufficiency (Addison’s disease), or hormone imbalance. Doctors order this test to investigate fatigue, obesity, high blood pressure, or irregular sleep patterns and to monitor adrenal disorders. It provides key insight into stress response and endocrine health.

: Serum
Also Known As: Afternoon Cortisol Test

The Cortisol Total Test measures cortisol levels in blood to assess adrenal gland and pituitary function. Cortisol regulates stress response, metabolism, and immune health. Abnormal results may indicate Cushing’s syndrome, Addison’s disease, or other hormone disorders. Doctors order this test to evaluate symptoms like fatigue, weight changes, weakness, or high blood pressure and to monitor treatment. It provides essential insight into hormone balance and endocrine health.

: Serum
Also Known As: Cortisol Blood Test

Have you been experiencing fluctuations in weight, mood swings, hair loss, or insomnia? If so, it may be a hormone imbalance. 

Your endocrine system is responsible for producing hormones in your body. If your hormones are unbalanced, they can throw your whole body off. 

Metabolism, sexual function, reproduction, sleep, weight, and mood are all regulated by hormones. Keeping your endocrine system running well is essential. 

If you're feeling like there is something disrupting your hormones, it is important that you look into endocrine tests to find out what is actually going on. 

Let's look into this deeper.

What Are Endocrine Disorders?

Your endocrine system is one of the most important parts of your body. In simple terms, an endocrine disorder is when your endocrine system is malfunctioning, and a gland in the body isn't doing its job correctly. 

Diabetes ... See more

 The endocrine system is a network that is made up of different glands throughout the human body. The endocrine system and the nervous system work together to regulate and control many of the internal functions of the body. The nervous system makes use of nerve impulses as its means for control; the endocrine system utilizes hormones, which are chemical messenger molecules. These hormones are created, stored, as well as secreted by an integrated network of different glands. When endocrine glands release different hormones into the blood, they will target specific organs, tissues, or cells. Every target will have dedicated receptors for that specific hormone, which can be explained as a key that fits into a lock.  

This network is made up of several parts. One of these is the hypothalamus, which is the endocrine gland situated in the brain. Another includes the pituitary gland, located in its ... See more