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Test ID F5HAR 5-Hydroxyindoleacetic Acid (5-HIAA), Random Urine with Creatinine

Method Name

High Performance Liquid Chromatography

Reporting Name

5-HIAA, Random Urine w/Creat

Specimen Type


Specimen Required

10 mL random urine, after collection add 6N HCL to maintain a pH below 3. Submit in a sterile screw capped container shipped ambient.


Note: 1. Urine without preservative is acceptable if pH is below 6 and shipped frozen.

         2. Dietary Instructions:

             - Patient should avoid food high in indoles: avocado, banana, tomato, plum, walnut, pineapple, and eggplant.

             - Patient should also avoid tobacco, tea and coffee three days prior to specimen collection.

Specimen Minimum Volume

5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Ambient (preferred) 7 days
  Frozen  30 days
  Refrigerated  30 days

Reference Values

5-HIAA                             mg/g creat

   2-10 YRS: 12.0 or less

   >10 YRS:  10.0 or less


Creatinine, Random Urine    mg/dL

         Age              mg/dL

   0-6   Months        2-32

   7-11 Months        2-36

   1-2   Years          2-128

   3-8   Years          2-149

   9-12  Years         2-183

   >12   Years

             Males:      20-370

             Females:  20-320


Day(s) Performed

Tuesday, Thursday, Friday

Performing Laboratory

Quest Diagnostics Nichols Institute

CPT Code Information

82570/other source

83497/Hydroxyindoleacetic acid, 5-(HIAA)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
F5HAR 5-HIAA, Random Urine w/Creat 11145-0


Result ID Test Result Name Result LOINC Value
Z2672 5-HIAA 11145-0
Z2673 Creatinine, Random Urine 2161-8

Report Available

3 to 13 days

NY State Approved