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HelpTest Code Epic LAB380 Copper, 24 Hour, Urine
Additional Codes
SQ code UCU24M
Mayo code CUU
Reporting Name
Copper, 24 Hr, USpecimen Type
UrinePerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Investigation of Wilson disease and obstructive liver disease using a 24-hour urine specimen
Necessary Information
24-Hour volume (in milliliters) is required.
Specimen Required
Patient Preparation: High concentrations of barium are known to interfere with this test. If barium-containing contrast media has been administered, the specimen should not be collected for at least 96 hours.
Supplies: Urine Tubes, 10 mL (T068)
Collection Container/Tube: Clean, plastic urine collection container with no metal cap or glued insert
Submission Container/Tube: Plastic urine tube or clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 10 mL
Collection Instructions:
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
3. See Metals Analysis Specimen Collection and Transport for complete instructions.
Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens for multiple collections.
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Special Instructions
Reference Values
0-17 years: Not established
≥18 years: 9-71 mcg/24 h
Day(s) Performed
Monday, Thursday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
82525
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CUU | Copper, 24 Hr, U | 5633-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8590 | Copper, 24 Hr, U | 5633-3 |
| TM7 | Collection Duration | 13362-9 |
| VL4 | Urine Volume | 3167-4 |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Method Name
Triple-Quadrupole Inductively-Coupled Plasma-Mass Spectrometry (ICP-MS/MS)
Method Description
The metal of interest is analyzed by triple-quadrupole inductively-coupled plasma mass spectrometry.(Unpublished Mayo method)
Report Available
2 to 5 daysForms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen: