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Beaumont Laboratory


Cu (Copper) Serum, Kaiser Fletcher Ring, Wilson's Disease, WARDE: COPS, EPIC: LAB5989, SOFT: XCU


Diet, medication, and nutritional supplements may introduce interfering substances. Patients should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications (upon the advice of their physician).

Specimen Collection Criteria

Collect: One Royal Blue-top tube with no additive.

Do not use Serum Separator Tubes. 

Physician Office/Drawsite Specimen Preparation

Centrifuge to separate serum from cells. Transfer serum to a plastic transport tube within six hours of collection. Do not allow serum to remain on cells and do not use a pipette or wooden sticks to assist transfer. Maintain specimen refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Min: 0.5 mL)

Rejection Criteria

  • Serum Separator (SST) tubes.
  • Specimens not collected and processed as indicated. 


Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): 14 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.


Sent to Warde Medical Laboratory, Ann Arbor, MI.


Tuesday, Friday.
Results available in 3-6 days.

Reference Range

By report.

Test Methodology

Atomic Absorption Spectrophotometry.

CPT Code


Test Codes


Last Updated


Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.

This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.