Copper, Red Blood Cells
Also known as: CU RBC
Use
Copper concentrations in red blood cells (RBCs) reflect the intracellular stores and general homeostasis of copper. This test is useful for exposure monitoring or investigation of copper levels in the body. It may be employed in situations where there is a need to evaluate the copper status in patients, particularly in cases of suspected deficiency or toxicity.
Special Instructions
Not provided.
Limitations
Results may be falsely elevated if RBCs in the submitted specimen are lysed or not promptly separated from plasma. Specimens collected in inappropriate tubes or transported improperly will be rejected.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
Copper
Analyte
LOINC Codes
- 5630-9 - Copper RBC-mCnc
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
2 mL
Minimum Volume
0.6 mL
Container
Royal blue (K2EDTA) or royal blue (NaHep) tube
Collection Instructions
Centrifuge whole blood and separate RBCs from plasma within 2 hours of collection. Submit packed RBCs in the original collection tube OR transfer to an ARUP Trace Element-Free Transport Tube.
Storage Instructions
Room temperature. Also acceptable: Refrigerated.
Causes for Rejection
Specimens collected in tubes other than specified tubes; clotted or grossly hemolyzed specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 2 weeks |
| Refrigerated | 2 weeks |
| Frozen | Unacceptable |
Other tests from different labs that may be relevant