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Test and Tubes Database
ID:168 Prolactin
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DescriptionA pituitary hormone. PLEASE NOTE: TEST CAN ONLY BE ADDED TO A SAMPLE WITHIN 8 HOURS OF COLLECTION
IndicationAmenorrhoea, infertility, galactorrhoea, pituitary/hypothalamic dysfunction.
Additional InfoNormal levels do not exclude a prolactinoma which could be associated with subtle abnormalities of prolactin excretion. Upto 700 IU/L - normal. Upto 1000 IU/L consider repeat. 1000 - 2000 IU/L consider microprolactinoma, drugs, PCO, hypothalamic disorder including functionless pituitary tumour with supracellar extension, primary hypothyroidism. 2000 - 4000 IU/L microprolactinoma, hypothalamic disorder (also drugs but less likely) 4000 - 6000 IU/L Almost certainly a prolactinoma although hypothalamic disorder is possible. >6000IU/L Macroprolactinoma.
Concurrent Testsna
Dietary Requirementsna

InterpretationHyperprolactinaemia is a biochemical finding and drugs/other factors should be condsidered.

Ref. Range (Male)<550
Ref. Range (Female)<600
Ref. Range (Paed)
Ref. Range Notes
Unitsmu/L


IP Acute TATRefer to Website
IP Routine TATRefer to Website
GP Acute TAT- Contact Laboratory
GP Routine TATRefer to Website
Turnround CommentMinimum re-test interval = 7 days
Originally edited by : JHB. Last edited on 21/06/2017 11:49:43. Published By SB on 21/06/2016 11:49:43.