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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Zinc, 24-Hour Urine
Test Code946
CPT Codes
84630
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
7 mL aliquot of a well mixed, unpreserved urine collected in a 24-hour acid-washed metal-free leak-proof container
Minimum Volume
3 mL
Instructions
Collect without preservative and transport in a plastic, acid-washed or metal-free conatiner. Record total volume on specimen container and on test requistion. Random urine is not acceptable. (To avoid contamination, do not measure 24-hour volume.)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Fecal contamination • Random urine
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report available: Same day
Reference Range
100-1200 mcg/24 h
Clinical Significance
Zinc is an essential element involved in a myriad of enzyme systems including wound healing, immune function, and fetal development. Zinc measurements are used to detect and monitor industrial, dietary, and accidental exposure to zinc. Also, zinc measurements may be used to evaluate health and monitor response to treatment.
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 14225 Newbrook Drive |
| Chantilly, VA 20153 |
