Prolactin

A prolactin (PRL) test measures the level of prolactin in a sample of your blood. Prolactin is a hormone produced by the pituitary gland, a small gland at the base of the brain. Hormones are chemical messengers in your bloodstream that control the actions of certain cells or organs.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

5 published ranges, each from a named source

2.117.7 ng/mL drawn: female, 1 y – 9 y · ARUP Laboratories Test Directory

Female · 1 y – 9 y: 2.1–17.7 ng/mL
Female · 10 y+: 2.8–29.2 ng/mL
Male · 1 y – 9 y: 2.1–17.7 ng/mL
Male · 10 y+: 2.1–17.7 ng/mL

Ranges from ARUP Laboratories Test Directory.

All source ranges (5)

Source	Sex	Age	Range
American Board of Internal Medicine (Laboratory Test Reference Ranges)	All	all ages	<20 ng/mL
ARUP Laboratories Test Directory	Female	1 y – 9 y	2.1–17.7 ng/mL
ARUP Laboratories Test Directory	Female	10 y+	2.8–29.2 ng/mL
ARUP Laboratories Test Directory	Male	1 y – 9 y	2.1–17.7 ng/mL
ARUP Laboratories Test Directory	Male	10 y+	2.1–17.7 ng/mL

What an abnormal result can be associated with

A high result: Increased circulating prolactin concentration
A low result: Reduced circulating prolactin concentration

Associations from LOINC2HPO (Human Phenotype Ontology). This is reference information, not a diagnosis: only a clinician can interpret your result in context.

details

Sample: Serum or plasma · LOINC
Part of: Bryan Johnson Blueprint
Listed under: Female Infertility · Hormones · Pituitary Tumors
Code: LOINC 2842-3 · ng/mL
Also known as: Lactotropin, Mammotropin, PRL, Prol

See your own Prolactin Add a lab report and it is drawn against your lab's range, over time. Upload a Blood Test