Fasting Required: Overnight fasting is preferred

Specimen: Blood

Results: 3-5 Business Days

Description: Prolactin levels may be ordered when a patient has symptoms of a prolactinoma such as: unexplained headaches, visual impairment, and/or galactorrhea. They may also be ordered, along with other tests, when a woman is experiencing infertility or irregular menses; or when a man has symptoms such as: a decreased sex drive, galactorrhea, or infertility. Prolactin levels are also often ordered in men as a follow-up to a low testosterone level.

Methodology: Immunoassay

Alternate Name(s): PRL

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.