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Oxford University Hospitals NHS Foundation Trust
Clinical Biochemistry

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5-Hydroxyindoleacetic acid (Urine)

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.

Cost

Price on application

Turnaround time

Please see Turnaround times

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