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Test ID CUU Copper, 24 Hour, Urine

Useful For

Investigation of Wilson disease and obstructive liver disease using a 24-hour urine specimen

Method Name

Inductively Coupled Plasma-Mass Spectrometry

Reporting Name

Copper, 24 Hr, U

Specimen Type

Urine


Necessary Information


24-Hour volume 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, a 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 Trace Metals Analysis Specimen Collection and Transport in Special Instructions for complete instructions.

Additional Information: See Urine Preservatives-Collection and Transportation for 24-Hour Urine Specimens in Special Instructions 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

Reference Values

0-17 years: not established

≥18 years: 9-71 mcg/24 hours

Day(s) Performed

Monday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

Report Available

1 to 6 days

NY State Approved

Yes

Urine Preservative Collection Options

Note: The addition of preservative or application of temperature controls must occur within 4 hours of completion of the collection.

Ambient

OK

Refrigerate

Preferred

Frozen

OK

50% Acetic Acid

OK

Boric Acid

No

Diazolidinyl Urea

No

6M Hydrochloric Acid

OK

6M Nitric Acid

OK

Sodium Carbonate

No

Thymol

No

Toluene

No

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Gastroenterology and Hepatology Client Test Request (T728)

-Inborn Errors of Metabolism Test Request (T798)