Item Value
Test name 5-Hydroxyindoleacetic acid, 24 hour urine
Available Stat? No
Turn around times Test run Monday-Friday. Turnaround: 2-5 days.
Performed by Quest
Patient Preparation Patient should avoid food high in indoles: avocados, bananas, berries, eggplant, nuts, passion fruit, pineapple and its juice, plantains, plums, and tomatoes. Patient should also avoid alcohol, tobacco, tea and coffee three days prior to and during specimen collection.
Normal range
24 hour urine
2-10 years < 8.0 mg/d
> 10 years < 6.0 mg/d
Container type 24 hour urine collection container

Click here for Urine Preservative Requirements
Amount to Collect Entire 24 urine output
Collection Instructions 72 hours prior to and throughout the entire period of specimen collection avoid avocados, bananas, berries, eggplant, nuts, passion fruit, pineapple and its juice, plantains, plums, and tomatoes, as well as alcohol, coffee, tea and tobacco. Obtain container with preservative at Specimen Receiving. Refrigerate sample while collecting.
Sample type 24 hour urine collection

If you have additional questions regarding this test, please call: 415-353-1667