Hydroxyindoleacetic Acid, Urine (5-HIAA)

Test Identifier Information
Registration Code	HIAA
Method	LC-MSMS
Diagnostic Use / Indications	Screening or monitoring of carcinoid Syndrome
External Price	$85.06(Exclusive of GST)

Specimen Collection
Pre-Testing Requirements	5-Hydroxyindoleacetic Acid (5-HIAA) 24 hour urine collection Patient Preparation 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: Acetaminophen (paracetamol) Aspirin Antihistamines Cough syrups Cold and flu medications Levodopa Methyldopa Phenothiazines A printable PDF version of the HIAA Patient Preparation Guide can be found here
Specimen Collection Protocols	24 hour urine collection is the preferred sample type. Random samples will be analysed but no reference interval is available
Patient Specimen	24 hr Urine in a plastic container,
Sample Delivery to Lab	Ambient
Aliquot Transport to CHL	Refridgerated

CHLabs Laboratory
Department	Biochemistry - Specialist
Contact Details	Email This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
Contact Phone Number	03 364 0332
Test Availability	Batched one run per week
Turnaround Time	2 weeks
Delphic Number Test Number	3479