Explore this test
- Test Details
- Lab Values
- Clinical Significance
- Treatment Options
Prolactin is a hormone secreted by the pituitary gland that has many functions including milk production after pregnancy and maintenance of the immune system.
1.0 mL serum collected in a serum separator tube (SST/Tiger Top)
1.0 mL plasma collected in a plasma separator tube (PST/Pearl Top)
Refrigerated (ship on frozen cold packs)
Refrigerated: 14 days
- Normal Range: 4.0 – 15.2 ng/mL
- Normal Range: 4.8 – 23.3 ng/mL
A hormone secreted by the pituitary gland that has many functions including milk production after pregnancy and maintenance of the immune system.
- Abnormally high prolactin can delay puberty, interfere with ovulation and fertility in women, and decrease libido, erectile function, and fertility in men.
- Elevated prolactin (hyperprolactinemia) may be due to a variety of medical conditions and medications. A benign tumor in the pituitary gland called a prolactinoma is one possible cause.
The treatment for abnormal prolactin levels depends on the underlying cause. Prolactin-secreting pituitary tumors (prolactinomas) can be treated with medication or surgery.