Copper, 24-Hour Urine with Creatinine

Test Code
CU24


CPT Codes
<p>82525, 82570</p>

Preferred Specimen

Specimen Type: Urine


Collection Container/Type: Unpreserved 24-hour urine


Submission Container/Tube: Metal free (acid-washed) plastic tube


Specimen Volume: 7 mL


Collection Instructions: 



  1. Collect using plastic acid-washed or metal free jug for 24 hours.

  2. Collect without preservative

  3. Keep specimen refrigerated during collection.

  4. Record total volume on specimen container and test requisition/order.


Additional Information:



  • Random urine is not acceptable.



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.


Transport Temperature
Refrigerated (cold packs)


Specimen Stability

Room temperature: 5 days


Refrigerated: 5 days


Frozen: 14 days



Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Random urine



Methodology

Inductively Coupled Plasma-Mass Spectrometry

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.



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


Report Available

1 day



Reference Range
Copper, Urine: 2-30 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


Last Updated: February 17, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.