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Zinc, 24 hour urine
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | ZINU |
| Test group | Zinc |
| Performed by | Quest |
| Sendout? | Yes |
| Method | Atomic Absorption Spectroscopy |
| Collection Instructions | Click here for detailed instructions for collecting samples for Trace Metals |
| Container type | Acid washed 24 hour urine collection container Click here for Urine Preservative Requirements |
| Amount to Collect | Entire 24 hour urine output |
| Sample type | 24 hour urine collection |
| Preferred volume | 7 mL urine |
| Min. Volume | 3 mL urine |
| Processing notes | Follow the detailed processing instructions for Trace Metal Analysis. 24 hour urine: After collection, be sure the urine is mixed well before transferring to the shipping container. To avoid contamination, carefully pour the designated amount of urine directly from the collection container into the acid wash shipping container. Prepare two (2) aliquots. Save (1) in storage rack. Discard after 1 week. Measure the remaining volume of urine AFTER the aliquot is taken and add volume of aliquots for total 24 hour urine volume or weigh the entire 24 hour collection, record total volume, then aliquot into acid washed shipping container. Freeze at -20C. Order Quest # 946. |
| Ref Lab Rejection Criteria | Hemolysis or fecal contamination |
| Units | µg/24 hours |
| Normal range | 100-1200 µg/24 hours |
| Stability | Room temperature 5 days, refrigerated 2 weeks, frozen at -20C 1 month. |
| Turn around times | Test run Monday-Saturday. Turnaround time: 3-6 days. |
| Additional information | To convert µg/L to µmol/L (SI units) multiply by 0.0153. |
| LOINC code | 5765-3 |
| Last Updated | 3/24/2013 7:53:57 PM |
| Entry Number | 961 |
If you have additional questions regarding this test, please call: 415-353-1667