Test/Investigation
24h Urinary 5-Hydroxyindoleacetic Acid (5HIAA)
Site(s) or Laboratory offering Test/Investigation
NNUH
Units
µmol/24h
Comments/Precautions
The volume, dates, and times of collection should be noted Acid container required
Sample type
24-hour urine collection bottle (acid preservative)
Turnaround times (TAT) Urgent/Routine/GP or OPD
1-2 weeks
Reference intervals (adult unless stated)
5 – 63 umol/24h
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