Also known as: PRL
Formal name: Prolactin
Related tests: FSH, LH, Testosterone, DHEAS, Estrogen, Progesterone
Why should I do it?
To determine whether your prolactin levels are higher (or occasionally, lower) than normal
When should I do it?
When you have symptoms of elevated prolactin, such as galactorrhea and/or visual disturbances and headaches; as part of a workup for female and male infertility; For follow-up of low testosterone in men; to monitor for recurrence of a prolactin-producing tumor
What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm
Test Preparation Needed?
None; however, the sample should be collected 3 to 4 hours after waking.