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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
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