Copper, Serum or Plasma


Sunquest Code:CU  
Epic Code:LAB817Epic Name:Copper Level
Methodology:Inductively coupled plasma/mass spectrometry
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-3 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Trace Element, EDTA (DE) (Trace Element, Serum (DB))
Patient Preparation:Diet, medication and nutritional supplements may introduce interfering substances. Patient should be encouraged to discontinue nutritional supplements, vitamins, minerals and non-essential over-the-counter medications (upon the advice of their physician).
Causes for Rejection:Specimens collected in containers other than specified. Specimens transported in containers other than specified.


Processing and Shipping

Specimen Processing:Separate serum/plasma from cells ASAP or within 2 hours of collection. Centrifuge and aliquot 2 mL, 0.5 mL minimum into ARUP metal-free container. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Stability:Indefinitely at room temperature, refrigerated or frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:20096


Interpretive

Reference Range:
 
Age Male Female
0-10 y 75-153 µg/dL 75-153 µg/dL
11-12 y 64-132 µg/dL 64-132 µg/dL
13-18 y 57-129 µg/dL 57-129 µg/dL
19 y & older 70-140 µg/dL 80-155 µg/dL
 
Use:Serum copper may be elevated with infection, inflammation, stress, copper supplementation. In females, elevated copper levels may be caused by oral contraceptives and pregnancy. (Concentrations are 2-3 times normal in the third trimester of pregnancy.) Copper may be lowered with corticosteroids, zinc, malnutrition and malabsorption.


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