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Cortisol (hydrocortisone) is the most prominent glucocorticosteroid, and it is essential for the maintenance of several body functions. The most important physiological effects of cortisol are that it raises blood sugar levels (enhances gluconeogenesis, or breaks down glucose) and lowers inflammation and the immune system.

This blood donation panel includes these tests: Hematocrit, iron & total iron binding capacity (TIBC), and ferritin.This panel is designed to determine if: 1- Your blood donation or therapeutic phlebotomy was effective in lowering your high hematocrit without negatively affecting ferritin or iron. 2- It is safe to do another blood donation or therapeutic phlebotomy depending on ferritin or iron levels.

Discounted Labs’ basic adrenal insufficiency panel includes cortisol, ACTH, and DHEA as a starting point. Depending on lab test results from this panel, physicians may choose to do an ACTH stimulation test, renin, potassium, and sodium. Imaging studies like a CT scan of the adrenal glands may also be considered to check for adrenal growths. In order to check for Addison's Disease, the auto-immune type of primary adrenal insufficiency, labs should be drawn to check 21-hydroxylase 

Vitamin B-12 is an essential vitamin. Low blood levels of B12 can cause: Anemia and pernicious anemia, loss of balance , numbness or tingling in the arms and legs, and weakness

This test for adrenal insufficiency includes 4 measurements of your salivary Cortisol level during one day. Cortisol, also known as the "stress hormone" can be either too high or too low which may be a sign of adrenal distress.

The thyroid stimulating hormone (TSH) is produced and secreted by the pituitary gland and stimulates the thyroid to produce T3 and T4. When TSH is elevated, low thyroid function may be indicated. If TSH is low it is indicative of high thyroid function. A study found that TSH was suppressed in all subjects after food, so fasting may be suggested although it is not reqired by Quest. Free T4 and Free T4 values did not change significantly after eating.

The thyroid gland produces and secretes T4, otherwise known as thyroxine. Proteins bind to T4 and carry it throughout the bloodstream. Once in the tissues, T4 is released from the proteins and is now free to convert into the more active form called T3. For this reason, many doctors believe that measuring free T4 is a more sensitive test for thyroid hormone production.

The causes of fatigue are multifactorial and could involve imbalances in several hormones. This panel includes most hormones and variables involved in the diagnosis and treatment of fatigue. Ordering this panel provides substantial cost savings when compared to ordering each test separately. The panel is useful for men and women. TESTS INCLUDED IN THIS PANEL: TOTAL AND FREE TESTOSTERONE, THYROID FUNCTION: TSH, Free T3, Free T4, Thyroid Antibodies, HEMOGLOBIN A1c, Complete Blood Count (CBC) Test (Includes white, red cells and platelets), Comprehensive Metabolic Panel (CMP), IRON, TIBC (Total Iron Binding Capacity), FERRITIN, ADRENAL FUNCTION: Cortisol and DHEA-S

Adrenocorticotropic hormone (ACTH, also known as adrenocorticotropin and corticotropin) is a hormone produced in the anterior pituitary gland that stimulates the adrenal glands to release cortisol, dehydroepiandrosterone (DHEA), and aldosterone. The ACTH plasma test quantifies the blood's level of ACTH. A patient's blood is drawn for the test and then sent to a lab for examination. The test findings enable the diagnosis of ailments such as Addison's disease, Cushing's syndrome, and adrenal tumors

Epstein-Barr (EB) virus is a herpes group virus that is ubiquitous. It leads to infectious mononucleosis and may play a role in the development of Burkitt lymphoma, some nasopharyngeal carcinomas, and a few rare genetic lymphoproliferative disorders. Antibodies to early antigen, IgM and IgG antibodies to viral capsid antigen (VCA), and antibodies to Epstein-Barr nuclear antigen (EBNA) are all part of the EBV test.

This 18 test anemia panel includes all tests needed to diagnose the degree and cause of anemia including a CBC panel (red blood cells, hemoglobin, etc), Ferritin, Iron, Total Iron Binding Capacity, Folate, and Vitamin B-12

1. TSH (Thyroid Stimulating Hormone) Test The TSH test is crucial for diagnosing Hashimoto's disease. It gauges the level of TSH that the pituitary gland produces, which in turn stimulates the thyroid to produce T4 and T3 hormones. Elevated TSH levels can indicate hypothyroidism, commonly associated with Hashimoto's disease 

2. Thyroid Hormone Tests These tests measure the levels of free T3 (free triiodothyronine) and free T4 (free thyroxine) in the blood. A low level of free T4, along with an elevated TSH level, is a key indicator of Hashimoto's disease 

3. Thyroid Antibody Tests Most individuals with Hashimoto's disease have thyroid peroxidase (TPO) antibodies in their blood. Testing for these and other thyroid-related antibodies is a significant step in diagnosing the condition 

4. Thyroglobulin Antibody Test This test screens for antibodies against thyroglobulin, a protein in the thyroid gland. High levels are another marker of Hashimoto's disease

This panel includes comprehensive testing of the thyroid stimulating hormone (TSH) in addition to free thyroxine (T4) and free triiodothyronine (T3). This thyroid panel offers a lower cost than buying each hormone separately.  If you take biotin, please wait at least 8 hours to get blood drawn. A study found that TSH was suppressed in all subjects after food, so fasting may be suggested although it is not reqired by Quest. Free T4 and Free T4 values did not change significantly after eating.

The serum iron test measures the amount of iron in your blood. The total iron-binding capacity (TIBC) test looks at how well the iron moves through your body.

Ferritin is a protein that stores iron. Red blood cells need iron to form normally and carry oxygen around your body. Low levels of ferritin lead to iron deficiency anemia, which means you have too few red blood cells. High levels of ferritin can damage your joints, heart, liver, and pancreas.