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.
Quantitative Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
New York DOH Approval Status
Royal blue (K2EDTA), royal blue (Na2EDTA), or royal blue (no additive).
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.
Refrigerated. Also acceptable: Room temperature or frozen.
Ambient: 1 month; Refrigerated: 1 month; Frozen: 1 month
Performed by non-ARUP Laboratory
|Component Test Code*||Component Chart Name||LOINC|
|3001972||Copper, Free, Serum/Plasma||5631-7|
National Medical Services (NMS)