Ordering Recommendation

May be useful in the assessment of copper overload or response to copper-reducing therapies. Directly measures the free (non-ceruloplasmin bound) fraction of copper.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Royal blue (K2EDTA), royal blue (Na2EDTA), or royal blue (no additive).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 3 mL serum or plasma to an acid-washed transfer vial (ARUP supply #54350) or ARUP trace element-free transport tube (ARUP supply #43116) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 1.2 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions

Separator tubes.

Remarks
Stability

Ambient: 1 month; Refrigerated: 1 month; Frozen: 1 month

Methodology

Quantitative Inductively Coupled Plasma-Mass Spectrometry

Performed

Varies

Reported

7-11 days

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note

Hotline History

N/A

CPT Codes

82525

Components

Component Test Code* Component Chart Name LOINC
3001972 Copper, Free, Serum/Plasma 5631-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

Copper, Free, Serum or Plasma

National Medical Services (NMS)