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LCMS Hormones 3 (Bloodspot)-ZRT Lab Kit:

Note: This is a home collection test kit that will be mailed to you. This is not a test performed at Quest Diagnostics


Fasting Required: No
Lab: ZRT Laboratory
Specimen: Dried Bloodspot
Results: Average processing time 5-7 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Patient Instructions: You do NOT need to change your regular diet or stop taking supplements. Following your typical dietary and/or supplement routine will ensure that your results are an accurate reflection of your average daily levels.

Note: Saliva samples should be sent as soon as possible after collection but will remain stable under average shipping conditions, including over weekends and holidays and during hot temperatures. If sample(s) will not be sent the day of collection, please store in the freezer and note dates in Section 5 of the Test Requisition.

DRIED BLOOD SPOT samples should be kept at room temperature and will remain stable for shipping over weekends and holidays, and during hot temperatures.

Test Includes:
Estradiol: Estradiol, also known as E2, is the most active of the estrogens. For women, it is important to look at the relationship between estradiol and progesterone in evaluating menopausal symptoms such as hot flashes, mood disorders, and aging skin. In men, high levels of estradiol are associated with abdominal fat, enlargement of the prostate and cardiovascular risk. In both men and women, low levels of estradiol are associated with osteoporosis.

Progesterone: Progesterone balances and offsets the powerful effects of estrogen. An imbalance between progesterone and estrogen can cause weight gain, insomnia, anxiety, depression, migraines, and even more debilitating conditions such as cancer, uterine fibroids, ovarian cysts, and osteoporosis in women. In men, the imbalance can cause weight gain, loss of libido and prostate enlargement.

Testosterone: Testosterone is a hormone that causes male characteristics. The blood level is used by men to investigate abnormal sexual development and sexual dysfunction. Small amounts are produced in women's ovaries and levels are tested to evaluate virilization. A drop in testosterone levels can contribute to moodiness, weight gain, loss of muscle mass, and diminished libido.