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Copper, 24-Hour Urine with Creatinine
Test Code4876
CPT Codes
82525, 82570
Preferred Specimen
7 mL of 24-hour urine, submitted in a plastic acid-washed, or metal-free, leak-proof container
Minimum Volume
3 mL
Instructions
Collect without preservative and transport in a plastic, acid-washed or metal-free container.
Record total volume on specimen container and on test requisition. Random urine is not acceptable. To avoid contamination, do not measure 24-hour volume.
Record total volume on specimen container and on test requisition. Random urine is not acceptable. To avoid contamination, do not measure 24-hour volume.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 5 days
Refrigerated: 5 days
Frozen: 14 days
Refrigerated: 5 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Random urine
Methodology
Inductively Coupled Plasma-Mass Spectrometry
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: Daily p.m.; Report available: Next day
Reference Range
Copper, Urine: 2-30 mcg/L
Please note: Patients with Wilson disease may have values greater than 50 mcg/L.
Please note: Patients with Wilson disease may have values greater than 50 mcg/L.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153
