Also known as: 5-HIAA, HIAA, Serotonin metabolite
Specimen requirements
Sample type: Urine (24 hour acetic acid bottle); Urine (Universal)
Collection requirements: Specimen must be protected from light, processed and frozen on day of receipt. Random urine specimen must be protected from light.
Serotonin-rich foods, such as:
- avocados
- bananas
- plantains
- pineapples
- plums
- walnuts
- tomatoes
- kiwi fruit
- health food supplements containing 5-hydroxytrytophan
can increase 5-HIAA, and should be avoided for three days prior to and during urine collection.
A variety of medications can affect 5-HIAA excretion - for more information please contact us.
Cost
Price on application
Turnaround time
Analytical method
Mass Spectrometry
Analysis undertaken at these site(s)
John Radcliffe Hospital
Reference intervals
Female
All ages: 10 - 40 µmol/24 hours
<5 µmol / mmol creatinine
Male
All ages: 10 - 40 µmol/24 hours
<5 µmol / mmol creatinine
