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Pathology and Laboratory Medicine
Specimen Collection Instruction Packages

​5'-HIAA (or 5-Hydroxyindole Acetic Acid) 24 Hour Urine Collection

Sample Collection Instruction

This test requires a careful diet prior to and during the test, as well as refrigeration of the urine container during the collection time.

  • Carefully follow the written instructions given to you for 24 hour urine collection
  • Use the collection bottle given to you by the laboratory

You can not eat the following foods for 4 days prior to the test and during the collection of the urine sample:

  • Tomatoes
  • Bananas or plantains
  • Kiwi fruit
  • Chocolate
  • Pineapple
  • Avocado
  • Eggplant
  • Hickory nuts
  • Walnuts

Some medications may interfere with results of this test. Talk to your doctor about the medication you are taking. Your doctor may tell you to stop taking some of your medication. Do not stop taking medications unless your doctor tells you to stop.

If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-528 v:1

Last Modified: Monday, September 28, 2015 |
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