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Order Code 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.


Useful For

Measurement of copper concentration of a part of the investigation of Wilson disease and obstructive liver disease using a random urine specimen

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)

Reporting Name

Copper/Creat Ratio, U

Specimen Type

Urine

Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

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 Description

The metal of interest is analyzed by triple-quadrupole inductively-coupled plasma mass spectrometry. (Unpublished Mayo method)

Day(s) Performed

Monday, Thursday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82525