Pacific · Prolactin Levels Blood Test
Prolactin Levels Blood Test in California
Prolactin Levels Blood Test is a laboratory test you can request directly. A prolactin levels blood test measures the amount of prolactin, a hormone that plays a key role in breast development and milk production. It is often used to help evaluate pituitary function and related symptoms.
Lab requirements in California
Here is what you need before ordering and completing the Prolactin Levels Blood 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 instructions provided by the collection lab. This may include fasting or avoiding certain activities before the test.
- 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 level of prolactin in your blood. Prolactin is a hormone produced by the pituitary gland that stimulates breast development and enables milk production in women. In men and non-lactating women, prolactin levels are typically low, but abnormal levels can indicate certain health issues.
What it measures
- Prolactin — reflects the level of this hormone in the blood
What the test involves
The test involves a standard blood draw, usually 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 this test to investigate symptoms such as nipple discharge, missed or irregular periods, or infertility. It can also be used to monitor certain medications or evaluate pituitary gland function.
Preparation
Preparation instructions can vary, so follow the specific instructions provided by the collection lab. This may include fasting or avoiding certain activities before the test.
How results are reported
Results are reported as a numerical value for prolactin in your blood. Reference ranges vary by laboratory and are typically provided alongside your result, so your clinician will interpret them in the context of your health.
Before you go
- Whether fasting is required before the test
- Any medications or supplements you are taking that might affect results
- The expected turnaround time for results
Cities
Prolactin Levels Blood Test in California communities
Choose your city for local context and to order this test.