Copper, Serum/Plasma

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

Test Codes

EPIC: LAB1231305, Beaker: XCU, Warde: COPP

Department

Send Outs

Specimen Collection Criteria

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

Also acceptable: One Royal Blue-top tube with EDTA.

Do not use Serum Separator Tubes. 

Physician Office/Draw Specimen Preparation

Centrifuge to separate serum/plasma 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. Do not ream with wooden stick.

Preparation for Courier Transport

Transport: 2.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 1.0 mL)

Rejection Criteria

• Serum Separator (SST) tubes.
• Gross hemolysis.
• Serum or plasma not separated from cells within 2 hours.
• Specimens not collected and processed as indicated.

In-Lab Processing

Centrifuge to separate serum/plasma 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. Do not ream with wooden stick.

Transport: 2.0 mL serum, at refrigerated (2-8°C or 36-46°F). (Minimum: 1.0 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 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 2-5 days.

Reference Range

Male: 70 - 140 μg/dL

Female: 70 - 160 μg/dL

Test Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

CPT Codes

82525
LOINC:  5631-7

Contacts

Last Updated

2/6/2026