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5-Hydroxyindoleacetic acid, 24 hour urine
| Item | Value | ||||||
|---|---|---|---|---|---|---|---|
| Approval req'd? | No | ||||||
| Available Stat? | No | ||||||
| Test code | 5HQT | ||||||
| Test group | HIAA | ||||||
| Performed by | Quest | ||||||
| Sendout? | Yes | ||||||
| Method | HPLC | ||||||
| Patient Preparation | Patient should avoid food high in indoles: avocados, bananas, berries, eggplant, nuts, passion fruit, pineapple and its juice, plantains, plums, and tomatoes. Patient should also avoid alcohol, tobacco, tea and coffee three days prior to and during specimen collection. | ||||||
| Collection Instructions | 72 hours prior to and throughout the entire period of specimen collection avoid avocados, bananas, berries, eggplant, nuts, passion fruit, pineapple and its juice, plantains, plums, and tomatoes, as well as alcohol, coffee, tea and tobacco. Obtain container with preservative at Specimen Receiving. Refrigerate sample while collecting. | ||||||
| Container type | 24 hour urine collection container Click here for Urine Preservative Requirements |
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| Amount to Collect | Entire 24 urine output | ||||||
| Sample type | 24 hour urine collection | ||||||
| Preferred volume | 10 mL urine | ||||||
| Min. Volume | 5 mL urine | ||||||
| Processing notes | Refrigerate aliquot. Order Quest # 9936N | ||||||
| Units | mg/24 h or mg/g creat. | ||||||
| Normal range |
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| Synonyms | HIAA | ||||||
| Turn around times | Test run Monday-Friday. Turnaround: 2-5 days. | ||||||
| Additional information | To convert mg to µmol (SI units) multiply by 5.2. | ||||||
| LOINC code | 31203-3 | ||||||
| Last Updated | 3/24/2013 7:49:16 PM | ||||||
| Entry Number | 500 |
If you have additional questions regarding this test, please call: 415-353-1667