Find Locations
For hours, walk-ins and appointments.Synonyms
- Zn WB
Expected Turnaround Time
2 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Whole blood
Volume
1 mL
Minimum Volume
0.125 mL
Container
Royal blue-top (EDTA) tube
Storage Instructions
Room temperature
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 7 days |
Refrigerated | 14 days |
Causes for Rejection
Plasma or serum submitted
Test Details
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.
Limitations
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
Methodology
Inductively-coupled plasma/mass spectrometry (ICP/MS)
Reference Interval
440−860 μg/dL
References
Analytical Validation Report. Quantification of Zinc in Whole Blood and Red Blood Cells by ICP-MS Analysis. Validation # VR-NOQS-BN-2009-008.
CLIA Validation for FDA Cleared Methods or Methods Labeled RUO/IUO. Unpublished LabCorp Internal Document, Science and Technology, Effective: February 2008.
Determination of Copper and Zinc in Serum by ICP-MS. Internal LabCorp document in Toxicology, Effective: April 22, 2009.
Manganese, Cobalt, and Nickel in Plasma, Blood, and Serum by ICP-MS. Internal LabCorp document in Toxicology, Effective: April 23, 2009.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 070032 | Zinc, Whole Blood | 8245-3 | 070033 | Zinc, Whole Blood | ug/dL | 8245-3 |
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