5-HIAA, Random Urine

Container type = random urine

Container Type

Test ID LAB353
EPIC Order 5HIAA, URINE, QUANTITATIVE, RANDOM
CPT Code(s) 83497
Group/Individual Test Group
Laboratory Core Referral Testing
Tube Station 30
Specimen Routine: 5 mL random urine refrigerate; See Comments
Micro: 2 mL random urine
Availability Routine: Reference Laboratory - Mayo Clinical Laboratories
Turnaround Time 3-5 days
Reference Range Normal: See separate report
Comment
  • Some medications could interfere with test results. The ordering provider should decide if any medications should be stopped and when they should be restarted.  If clinically feasible, discontinue the following medications at least 48 hours prior to specimen collection:
    •  Acetaminophen (Tylenol or generic versions)
    • Tryptophan-containing supplements
  • For 48 hours prior to the urine collection, the patient should limit the following to one serving per day:
    • Fruits
    • Vegetables
    • Nuts
    • Caffeinated beverages or foods

Reviewed by J. Carr on December 08, 2025