Lab Test

Copper

Cu (Copper) Serum, Kaiser Fletcher Ring, Wilson's Disease

Test Codes

EPIC: LAB5989, SOFT: XCU, WARDE: COPS

Department

Send Outs

Instructions

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/Draw Specimen Preparation

Allow sample to clot for 30 minutes. Centrifuge to separate serum from cells. Transfer serum to a plastic transport tube within 2 hours of collection. Carefully pour serum into aliquot tube. 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). (Minimum: 0.5 mL)

Rejection Criteria

Serum Separator (SST) tubes.

Specimens not collected and processed as indicated. 

In-Lab Processing

Allow sample to clot for 30 minutes. Centrifuge to separate serum from cells. Transfer serum to a plastic transport tube within two hours of collection. Carefully pour serum into aliquot tube. Do not use a pipette or wooden sticks to assist transfer. Maintain specimen refrigerated (2-8°C or 36-46°F) prior to transport.

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

Storage

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 Send Outs Laboratory with any questions.

Laboratory

Sent to Warde Medical Laboratory, Ann Arbor, MI.

Performed

Monday – Friday.
Results available in 1-3 days.

Reference Range

By report.

Test Methodology

Atomic Absorption Spectrophotometry.

CPT Codes

82525
LOINC:  5631-7

Contacts

Last Updated

12/2/2022

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