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Test & Collection Guide

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Test name:

  

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Hydroxyindolacetic Acid, 5

Alternate names:
5HIAA
Laboratory:
Referred Test
Test Code:
U5HIAA
Specimen types:
24 hour Urine
Container types:
24-hour urine - ACID bottle24-hour urine - ACID bottle
Collection Instructions:

24 hour urine, acid contain bottle, a 50 ml aliquot is referred out along with the recorded total 24 hrs volume and pH level.

Extra 50 mL aliquot need to be stored.

Patient Collection Instructions

 

Notes:

Falsely elevated results may occur after ingestion of phenothiazines or serotonin-containing foods such as bananas, pineapples, red plums, walnuts, avocados, eggplant or tomatoes.Walnuts,pineapple,red plums,avocado,eggplant,tomatoes and Bananas are said to increase the excretion of HIAA and should be avoided for 24 hours prior to collectionof urine sample.

Frequency:
Daily
Result Turnaround Time:
5-7 days
Reference Interval:

< 50 mmol/day

Laboratory Use Only
External Laboratory:
St Vincents Hospital
 External Laboratory details...