Prolactin is a hormone released by the pituitary gland. The prolactin test measures the amount of prolactin in the blood.
Prolactin is usually measured when checking for pituitary tumors and the cause of:
Breast milk production that is not related to childbirth (galactorrhea)
Decreased sex drive (libido) in men and women, Impotence, Infertility, Irregular or no menstrual periods (amenorrhea.)
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- Fasting Required: NO
- Preferred Specimen: Serum
- Reference Range(s):
Adult Male 2.0-18.0 ng/mL Adult Female Non-Pregnant 3.0-30.0 ng/mL Pregnant 10.0-209.0 ng/mL Postmenopausal 2.0-20.0 ng/mL Stages of Puberty (Tanner Stages) Female Observed Male Observed Stage I 220.127.116.11 ng/mL ≤10.0 ng/mL Stage II-III 2.6-18.0 ng/mL ≤6.1 ng/mL Stage IV-V 3.2-20.0 ng/mL 2.8-11.0 ng/mL
- Turnaround Time: 3 Days
- Test Code: 746