HIAA – 5, 24 hour Urine

Method Name

Reference Laboratory


HIAA - 5, 24 Hour Urine, HIAA- 5 24 Hour Urine

Specimen Required

24 hour urine with 15g boric acid or 25 mL 6N HCL to maintain pH below 3. Patient should avoid food high in indoles: avacado, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should also avoid tobacco, tea, and coffee for 3 days prior to s

Specimen Minimum Volume

5 mL

Specimen Stability Information

Specimen is stable for 7 days at room temperature.

Performing Laboratory

as ordered. Turn around time is 3-5 days.

Reference Values

see report