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HelpTest ID CURC Copper/Creatinine Ratio, Urine
Specimen Required
Only orderable as part of a profile. For more information see CURCU / Copper/Creatinine Ratio, Random, Urine.
Patient Preparation: High concentrations of barium are known to interfere with most metal tests. 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, 10-mL urine tube or a clean, plastic aliquot container with no metal cap or glued insert
Specimen Volume: 3 mL
Collection Instructions:
1. Collect a random urine specimen.
2. See Metals Analysis Specimen Collection and Transport for complete instructions.
Reporting Name
Copper/Creat Ratio, USpecimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Report Available
2 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CURC | Copper/Creat Ratio, U | 13829-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 615258 | Copper/Creat Ratio, U | 13829-7 |
Useful For
Measurement of copper concentration of a part of the investigation of Wilson disease and obstructive liver disease using a random urine specimen
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
Specimen Minimum Volume
2 mL
Reference Values
Only orderable as part of a profile. For more information see CURCU / Copper/Creatinine Ratio, Random, Urine.
Males:
0-17 years: Not established
≥18 years: 9-43 mcg/g creatinine
Females:
0-17 years: Not established
≥18 years: 7-72 mcg/g creatinine
Method Name
Only orderable as part of a profile. For more information see CURCU / Copper/Creatinine Ratio, Random, Urine.
Triple-Quadrupole Inductively-Coupled Plasma Mass Spectrometry (ICP-MS/MS)