Screening or monitoring of carcinoid Syndrome
5-Hydroxyindoleacetic Acid (5-HIAA) 24 hour urine collection
Some medications and foods (see below) could interfere with test results.
For 48 hours before patients start their urine collection and during the 24 hours they collect urine limit the following to one serving per day:
Fruits, Vegetables, Nuts (other than the list below)
During the same period, avoid completely: avocados, dates, eggplant, bananas, cantaloupe, grapefruit, kiwifruit, melons, pineapple, plantains, plums, hickory nuts, butternuts, pecans, walnuts, tomatoes and tomato products.
Caffeinated beverages such as tea and coffee or caffeinated foods should also be avoided for 48 hours before and during specimen collection.
If clinically feasible and after consultation with your doctor, discontinue the following medications at least 48 hours before specimen collection:
Cold and flu medications
A printable PDF version of the HIAA Patient Preparation Guide can be found here
24 hour urine collection is the preferred sample type.
Random samples will be analysed but no reference interval is available
Ambient (8 - 24 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)
$88.50 (Exclusive of GST)