Endocrinology is the study of medicine that relates to the endocrine system, which is the system that controls hormones. An endocrinologist will deal with diseases that are caused by problems with hormones.

ACTH, Plasma

Optimal range: 7.2 - 63.3 pg/mL


Optimal range: 0 - 4.7 pg/mL

Aldos/Renin Ratio

Optimal range: 0 - 30 ng/dL per ng/mL/hr


Optimal range: 0 - 30 ng/dL

Anti-Mullerian Hormone (AMH)

Optimal range: 5.5 - 37.4 pmol/L

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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Optimal range: 2.3 - 19.4 µg/dL

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 blood cortisol level at night may indicate a problem with the adrenal glands; however, individuals who work at night and sleep during the day will have an inversed pattern.

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Cortisol - AM

Optimal range: 6.2 - 19.4 ug/dL

DHEAS (Serum)

Optimal range: 9.58 - 405.306 mcg/dL

It stands for Dehydroepiandrosterone and is a building block of steroid hormones that is produced predominantly in the adrenal glands.

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Optimal range: 45.4 - 1461 pmol/L

Progesterone (Serum)

Optimal range: 0.3 - 50.6 nmol/L

Renin Activity, Plasma

Optimal range: 0.167 - 5.38 ng/mL/hr