Zinc, RBC
Also known as: Zn RBC
Use
Zinc is an essential trace element. Subnormal levels are associated with alcoholic cirrhosis, cystic fibrosis, myocardial infarction, acute and chronic infections. High levels may be due to industrial exposure.
Special Instructions
Once blood is collected in a royal blue-top EDTA tube, the plasma should be separated from the red blood cells by centrifugation within 45 minutes of collection. Only the RBCs should be submitted for testing. Ensure plasma is discarded.
Limitations
The test was developed and its performance characteristics were established by Labcorp. It has not been cleared or approved by the FDA, which may limit its application for certain regulatory settings.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 5761-2
- 5761-2
Result Turnaround Time
2-4 days
Related Documents
For more information, please review the documents below
Specimen
Other
Volume
1 mL
Minimum Volume
0.125 mL
Container
Royal blue-top (EDTA) tube
Collection Instructions
Centrifuge tube within 45 minutes of collection and separate plasma from cells. Discard the plasma. Using the original collection tube, submit only the RBCs to the laboratory.
Storage Instructions
Room temperature
Causes for Rejection
Plasma or serum submitted
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |