Endocrinology

Biomarkers included in this panel:

17-Hydroxypregnenolone, MS (female)

This test serves as a valuable ancillary tool in diagnosing congenital adrenal hyperplasia (CAH), especially in cases where 21-hydroxylase and 11-hydroxylase deficiencies have already been ruled out. It is particularly instrumental in confirming a di

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17-Hydroxyprogesterone (female)

17-Hydroxyprogesterone (17-OHP) is a steroid hormone produced primarily in the adrenal glands and, to a lesser extent, in the gonads (ovaries and testes). It serves as an important intermediate in the biosynthesis of cortisol and other steroid hormon

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17-OH Progesterone

17-OHP is produced by the adrenal gland as part of the process of making the important hormone cortisol. The adrenal glands are two small glands. One is located on top of each kidney. Along with special enzymes, or proteins, 17-OH

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5 Alhpa-Dihydrotestosterone (male)

5 Alpha-Dihydrotestosterone (DHT) is a hormone that plays a crucial role in male development and health. It is derived from testosterone, the primary male sex hormone, through the action of an enzyme called 5-alpha-reductase. DHT is significantly mor

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ACTH, Plasma

ACTH (Adrenocorticotropic hormone), a pituitary hormone, stimulates cortisol production from the adrenal glands. If ACTH levels are too low or too high, it can indicate that the pituitary or the adrenal glands are diseased.

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ADH

ADH stands for antidiuretic hormone also known as vasopressin. ADH primarily acts in the kidney to resorb water. Vasopressin can also be administered to raise blood pressure.

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Aldos/Renin Ratio

The aldosterone to renin ratio blood test measures the amount of aldosterone divided by the amount of renin in the blood plasma. The test determines whether or not primary hyperaldosteronism is present and causing high blood pressure.

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Aldosterone

Aldosterone is a vital hormone for maintaining proper blood pressure and electrolyte balance. It regulates sodium and potassium levels in the body, ensuring that the correct amount of sodium is retained, and excess potassium is excreted through the k

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Aldosterone/Plasma Renin Activity Ratio

Plasma

The aldosterone-renin ratio (ARR), also known as the aldosterone plasma renin activity (PRA) ratio, is a critical diagnostic tool used in the evaluation of primary aldosteronism, a condition characterized by excessive production of the hormone aldost

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Anti-Mullerian Hormone (AMH)

Anti-Mullerian Hormone (AMH) is a protein hormone produced by cells within the ovary. Understanding your AMH level can help to assess your ovarian egg reserve and therefore your fertility.

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C-Telopeptide, Serum

Serum

Calcitonin, Serum

What is Calcitonin? Calcitonin is a hormone that plays a role in regulating the level of calcium in your blood by decreasing it.  What is a calcitonin test? A calcitonin test measures the level of calcitonin in a sample of your blood. C

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Cortisol - ACTH (Cortrosyn) Stimulation Test

Blood

This test it performed to help diagnose primary adrenal insufficiency (Addison disease) and to detect conditions affecting the pituitary gland (secondary adrenal insufficiency). The test is performed when your cortisol level is low and/or your health

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Cortisol - AM (Serum)

Serum

Cortisol is a stress hormone produced by the adrenal glands and is the primary agent used in our body’s flight or fight response to threatening stimuli.

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Cortisol, Serum

Cortisol is a stress hormone produced by the adrenal glands and is the primary agent used in our body’s flight or fight response to threatening stimuli. Levels naturally peak in the morning and then reach their lowest point at night. A high blo

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Cortisol-Binding Globulin (CBG)

Corticosteroid-binding globulin (CBG), also known as transcortin, is a key plasma protein that plays a critical role in the transport and regulation of corticosteroids in the bloodstream. Produced primarily by the liver, CBG binds to glucocorticoids

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DHEA, Unconjugated

DHEA, or Dehydroepiandrosterone, Unconjugated, is a significant endogenous steroid hormone, playing a pivotal role in the human endocrine system. This hormone, produced primarily by the adrenal glands, serves as a precursor to both androgens and estr

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DHEA-S : Cortisol Ratio

The DHEA-S (Dehydroepiandrosterone Sulfate) to cortisol ratio is a marker used in assessing adrenal gland function and can provide insight into the balance of hormones produced by these glands. DHEA-S is an androgen precursor produced by the adren

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DHEAS (Serum)

It stands for Dehydroepiandrosterone and is a building block of steroid hormones that is produced predominantly in the adrenal glands. It serves as a precursor to the sex hormone testosterone and estrogen in both men and women. DHEA is also a buildin

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DHT, Free

Free DHT is a valuable biomarker for evaluating conditions related to hair loss, prostate health, and hormonal imbalances. Understanding and monitoring free DHT levels, alongside other hormonal markers, can provide crucial insights for maintaining ov

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DHT, Percent Free Dialysis

Dihydrotestosterone (DHT), Percent Free Dialysis is a laboratory measurement used to assess the bioavailable portion of dihydrotestosterone (DHT) in the bloodstream. DHT is a potent androgen hormone derived from testosterone through the action of the

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Estradiol

Estradiol (Estrogen) is a female hormone, produced primarily in the ovary. The amount of estrogen produced depends on the phase of the menstrual cycle. Men also produce estradiol, but only very small amounts. Shortly before ovulation, estr

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Estradiol (male)

Estradiol is the main "female" hormone. The full name is 17-beta-Estradiol. Current research indicates that, in some people, this hormone may play a role in the loss of bone density, prevents male bodies from clearing DHT out of the

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Estradiol, Ultrasensitive, LC/MS

Please check the reference ranges in the description on the main dashboard as this marker is age and gender specific. - Estradiol is responsible for the regulation of the estrous and female menstrual reproductive cycles and for the development and

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Estriol, Serum

Estriol is one of three estrogen hormones. Estriol levels rise throughout pregnancy, helping to keep your uterus and unborn baby healthy. The levels are at their highest right before childbirth. They help prepare your body for labor and delivery.

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Estrogens, Total (female)

Total estrogen is a reliable test for estrogen status and is used to detect hormone imbalances. Estrogen is known as the “female” hormone. The four major naturally occurring estrogens in women are estrone (E1), estradiol

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Estrogens, Total (male)

Estrogen is known as the “female” hormone. The four major naturally occurring estrogens in women are estrone (E1), estradiol (E2), estriol (E3), and estetrol (E4). Although estrogen is identified with females, it is

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Estrone Sulfate

Estrone Sulfate is a vital biomarker that plays a significant role in assessing hormonal health, particularly in women. Estrone sulfate is a conjugated form of estrone, one of the three main types of estrogen, and it serves as a major circulating est

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Estrone, Serum (Female)

Estrone (E1) is a steroid, a weak estrogen, and a minor female sex hormone. Estrone is one of three major endogenous estrogens, the others being estradiol and estriol. Like the other estrogens, estrone is synthesized from cholesterol and secreted mai

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Estrone, Serum (Male)

Estrone (E1) is a steroid, a weak estrogen, and a minor female sex hormone. Estrone is one of three major endogenous estrogens, the others being estradiol and estriol. Like the other estrogens, estrone is synthesized from cholesterol and secreted mai

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Free Cortisol, Serum

This cortisol test measures the level of cortisol in your blood to see if your levels are normal. Cortisol is made by your adrenal glands, two small glands that sit above the kidneys. A gland in your brain, called the pituitary gland, makes a horm

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Free Estradiol, Percent

Navigating the complexities of hormonal health can be challenging, especially when it comes to understanding 'Free Estradiol, Percent'. This marker is crucial for women who are monitoring their hormonal balance, fertility, or overall health.

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Free Estradiol, Serum

Serum

Free Estradiol Serum, a crucial component in evaluating hormonal balance, plays a pivotal role in both men's and women's health. Primarily known as a female hormone, estradiol is also present in men and is essential for modulating libido, ere

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Glucagon

Glucagon is a peptide hormone secreted from the alpha cells of the pancreatic islets of Langerhans. Hypoglycemia is physiologically the most potent secretory stimulus and the best known action of glucagon is to stimulate glucose production in the liv

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Gonadotropin Releasing Hormone (GnRH)

Gonadotropin Releasing Hormone (GnRH) is a crucial peptide hormone that plays a fundamental role in regulating the reproductive system. Produced in the hypothalamus, GnRH is responsible for stimulating the pituitary gland to release two key hormones:

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Growth Hormone

Growth Hormone and Its Functions What is Growth Hormone? Growth hormone is essential for growth and development in children. Where is Growth Hormone Produced? Growth hormone is produced by the pituitary gland, a small gland located at the base

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Human Chorionic Gonadotropin (hCG), Total

A qualitative HCG blood test checks if there is a hormone called human chorionic gonadotropin in your blood. HCG is a hormone produced in the body during pregnancy.

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IA-2 Autoantibodies

Type 1 diabetes, commonly referred to as insulin-dependent diabetes (IDDM), is caused by pancreatic beta-cell destruction that leads to an absolute insulin deficiency. The clinical onset of diabetes does not occur until 80% to 90% of these cells have

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IGF Binding Protein 1 (IGFBP 1)

Insulin-like growth factor-binding protein 1 is a member of the family of structurally homologous proteins (= those with a common evolutionary origin) that specifically binds and modulates the activities of IGF-1 and IGF-2. Serum levels of IG

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IGF Binding Protein 3 (IGFBP 3)

Insulin-like Growth Factor Binding Protein 3 (IGFBP-3) is an important protein in our body that helps manage growth and development. It mainly works by controlling the activity of growth factors, IGF-I and IGF-II, which are crucial for cell growth. I

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IGF-BP3

IGFBP-3 is a multifunctional protein integral to regulating various physiological processes from growth to cancer progression and metabolic health. Its potential as a biomarker underscores its importance in ongoing research aimed at developing new tr

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Leptin

What is Leptin? Leptin is a hormone – a chemical messenger that helps different body parts work together. Leptin is anorexigenic (= causing loss of appetite), and levels are markedly decreased in women with low body weight and high in obesit

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Luteinizing Hormone, Human (hLH)

Luteinizing Hormone, Human (hLH), plays a crucial role in the female reproductive system and is a key marker on a female hormone panel. This hormone, produced by the pituitary gland, is involved in regulating the menstrual cycle and ovulation. In the

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Pregnenolone (male)

Pregnenolone, measured in nanograms per milliliter (ng/mL), is a crucial neurosteroid in males, acting as a precursor to various other steroids including progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens. It is synthesized d

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Progesterone (male)

Progesterone is present in men but at a much lower level than found in premenopausal women. Progesterone is not only a female hormone. Although in females it is responsible for protecting the unborn child from rejection during pregnancy, progesterone

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Progesterone (Serum)

Progesterone plays an important role in preparing the uterus for pregnancy. Levels of progesterone rise with pregnancy, and rise even higher if there are twins. Imbalances of progesterone are linked with health challenges in both men and women.

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Prolactin

Prolactin is a hormone produced by the pituitary gland that causes breast development in women and milk production in pregnant women. Prolactin does not have known biological function in men.

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Renin Activity, Plasma

Renin is an enzyme produced by the kidney that can raise blood pressure levels. The renin activity plasma test helps your doctor determine whether or not your high blood pressure is due to poor kidney health.

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Total Testosterone (Female/ng/mL)

Total Testosterone in the context of a female hormone panel refers to the total amount of testosterone present in a woman's blood, measured in nanograms per milliliter (ng/mL). Testosterone, commonly associated with male health, is actually an im

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