Prolactin
Description:
For assessment of hyperprolactinaemia
Clinical details:
Elevated prolactin concentrations may arise due to a variety of physiological, pathological and pharmacological causes including (but not limited to): stress, pregnancy & lactation, hypothyroidism, CKD, seizures, use of typical and atypical antipsychotics.
All prolactin results >700 mIU/L will automatically have a macroprolactin PEG precipitation request added. A macroprolactin screen may also be requested at prolactin concentrations <700 mIU/L, e.g. for a patient previously screened as positive for macroprolatin – please call Customer Services to request this test to be added.
All prolactin results >700 mIU/L will automatically have a macroprolactin PEG precipitation request added. A macroprolactin screen may also be requested at prolactin concentrations <700 mIU/L, e.g. for a patient previously screened as positive for macroprolatin – please call Customer Services to request this test to be added.
Reference range:
See Chemistry Reference Ranges Document at Automated Chemistry Laboratory at Guy's and St Thomas'
Synonyms or keywords:
Prolactin, Macroprolactin
Units:
mIU/L
Department:
Location:
Sample type and Volume required:
Serum
Turnaround time:
Prolactin 1 day. Macroprolactin is batch tested once a week.
Storage and transport:
Stability in serum: 7 days at 2 to 8°C, 3 months at -20 °C
Time limit for extra tests:
Macroprolactin will be automatically added on samples with prolactin values of 700 mIU/L or above.
Contacts:
Blood Sciences Department-Guy's And St Thomas' Hospital
St Thomas' Hospital
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Contact: 020 7188 9247
Guy's Hospital
Southwark Wing - 4th Floor
Great Maze Pond
London SE1 9RT
Contact: 020 7188 4781
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Contact: 020 7188 9247
Guy's Hospital
Southwark Wing - 4th Floor
Great Maze Pond
London SE1 9RT
Contact: 020 7188 4781
Automated Chemistry Laboratory at Guy's and St Thomas' Clinical Advisory Service
Monday – Friday, 09:00-17:00 h: 07738897061
Out of hours, weekends & bank holidays: find details on Rotawatch on Trust intranet GTi, or contact via GSTT switchboard.
Out of hours, weekends & bank holidays: find details on Rotawatch on Trust intranet GTi, or contact via GSTT switchboard.
Last updated: 22/07/2023
