Zinc, RBC

CPT: 84630
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  • Zn RBC

Expected Turnaround Time

2 - 4 days

Related Documents

Specimen Requirements


Red blood cells (RBCs)


1 mL

Minimum Volume

0.125 mL


Royal blue-top (EDTA) tube


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

Stability Requirements



Room temperature

14 days


14 days

Causes for Rejection

Plasma or serum submitted

Test Details


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.


This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.


Inductively-coupled plasma/mass spectrometry (ICP/MS)

Reference Interval

822−1571 μg/dL


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
070029 Zinc, RBC 5761-2 070031 Zinc, RBC ug/dL 5761-2

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