5-HIAA


Test Information

Test Name

5-HIAA

Synonyms

5-Hydroxy indoles; Carcinoid Screen; 5HIAA

Preferred Specimen

24 Hour Urine (Plain or Acid)

Testing Location

Referral


Collection Information

Patient Requestable

Yes

Patient Instructions

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


Processing Information

Registration Code

UHIA


Methodology

Interpretations

View Interpretations

Contact Information

laura.yau@pathlab.co.nz

External Referral Information

Referral Location

Canterbury Health labboratry (via WHL)

Send Away Transport

Ambient

External Lab Website