24 Hour Urine Copper

Test Code

TUCU

Quest Code

365

CPT Codes
82525 <br><strong>This test is not available for New York patient testing. For New York patient testing use test code 13614.</strong>

Includes

CPT code 81050 may be added at an additional charge for volume measurement

Preferred Specimen

7 mL aliquot of a well-mixed 24-hour urine collected in an acid-washed or metal-free 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.

Transport Temperature

Refrigerated

Specimen Stability

Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days

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

Hemolysis • Random urine • Fecal contamination

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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Sun, Wed, Fri; Report Available: 1 day

Reference Range

15-60 mcg/24 h

Clinical Significance

Copper is an essential element that is a cofactor of many enzymes. Copper metabolism is disturbed in Wilson's disease, Menkes disease, primary biliary cirrhosis, and Indian childhood cirrhosis. Urinary copper concentrations are also useful to monitor patients on chealation therapy.

Performing Laboratory
MedFusion
2501 South State Highway 121
Suite 1100
Lewisville, TX 75067-8188

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.