Lab comparison

Copper: Quest vs LabCorp vs BioReference, tube, code & requirements

. This page shows collection requirements for all three major reference labs in one view, so you don’t have to cross-check three portals.

Always verify against your lab’s current collection manual before drawing.

Every value on this page is verified by a nurse practitioner in active clinical practice, not scraped from an automated source.

RequirementQuest DiagnosticsLabCorpBioReference
Test code3630015860479-6
Primary tubeEDTA (royal blue-top) tube or heparin (royal blue-top) tubeRoyal blue-top (EDTA) tube or royal blue-top without EDTABlue-Royal Blue Top K2 EDTA Plasma
Specimen type2 mL plasma collected in an EDTA (royal blue-top) tube or heparin (royal blue-top) tubeSerum or plasmaBlue-Royal Blue Top K2 EDTA Plasma(*LAVENDER LINE)
Patient prepSee lab specimen manualSee lab specimen manualSee lab specimen manual
Minimum volume
Minimum Volume
0.7 mL
Minimum Volume
0.4 mL
Stated with specimen
2 mL

Frequently asked questions

What is the Quest Diagnostics order code for Copper?

The Quest Diagnostics order code for Copper is 363.

What tube color does LabCorp use for Copper?

LabCorp uses a Royal blue-top (EDTA) tube or royal blue-top without EDTA for Copper.

Does Copper require fasting?

Copper patient prep: See lab specimen manual. Always confirm with the ordering lab before the draw.

Data provenance

Source: Quest Diagnostics specimen collection manual, LabCorp directory of services, and BioReference laboratory collection guide.

Verified by: a licensed nurse practitioner in active clinical practice. Values are reviewed against each lab’s published collection requirements. Always confirm against your lab’s current manual before drawing.

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