Pacific · Estrone Test
Estrone Test in California
This page explains the estrone test, what it measures, and how to order it. An estrone test measures the level of one of the three main estrogens in the blood. It is used to evaluate hormone balance and certain health conditions.
Lab requirements in California
Here is what you need before ordering and completing the Estrone Test in CA. Review each item and confirm the details with the collection lab.
- Physician's order
- Included. A physician's order is required for lab testing and is provided for you by our partner's physicians — no referral from your own doctor is needed.
- Fasting
- Fasting is required for this test — follow the collection lab's instructions.
- Preparation
- Preparation instructions can vary, so follow the specific directions provided by the collection lab. This may include timing the test to your menstrual cycle or fasting for a certain period.
- Sample & visit
- A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
- Identification
- Bring the lab requisition form from your account. The collection lab may also ask for a government-issued photo ID.
- Turnaround
- 1-3 business days
- Availability
- Our partner lab does not serve ND, RI, NY, NJ, MD or HI. Confirm availability for your location with the collection lab.
Before you go
- Order your test before visiting a lab, then use the requisition form in your account.
- Print the requisition form, or fax it to the lab directly from your account.
- No scheduling is needed — visit the collection lab during its normal business hours.
- A blood and/or urine sample is collected; the visit usually takes about 10 minutes.
- Bring a government-issued photo ID in case the lab requests it.
- Results are posted to your secure account within 1–3 business days.
Requirements are summarized from our partner lab's published policies. Preparation and availability can change — confirm current instructions with the collection lab before your visit.
What this test is
This test measures the amount of estrone, a form of estrogen, in the blood. Estrone is produced by the ovaries, adrenal glands, and fat tissue, and it is the primary estrogen after menopause. The test helps assess estrogen status in both women and men.
What it measures
- Estrone — reflects the level of this estrogen in the blood
What the test involves
The test requires a standard blood draw from a vein in your arm. The sample is then sent to a laboratory for analysis.
Why it is often ordered
A clinician may order an estrone test to investigate symptoms of hormone imbalance, such as irregular periods or menopausal symptoms. It can also be used to monitor certain hormone-related conditions or treatments.
Preparation
Preparation instructions can vary, so follow the specific directions provided by the collection lab. This may include timing the test to your menstrual cycle or fasting for a certain period.
How results are reported
Results are typically reported as a numeric value with a reference range. Reference ranges vary by laboratory, so your result should be interpreted in the context of the lab that performed the test.
Before you go
- Whether fasting is required before the test
- If the test should be timed to your menstrual cycle
- Any medications or supplements that might affect the results
Cities
Estrone Test in California communities
Choose your city for local context and to order this test.