Micronutrient, Zinc, Plasma

Test Code
10233


CPT Codes
84630

Preferred Specimen
2 mL plasma collected in an EDTA trace metal-free (royal blue-top) tube


Minimum Volume
0.7 mL


Other Acceptable Specimens
Serum collected in: No additive (royal blue-top) tube


Instructions
Patients should be 18 years of age or greater.

Separate plasma or serum from cells within two hours. Transfer separated plasma/serum to a plastic acid-washed or metal-free vial.


Transport Container
Plastic acid-washed or metal-free vial


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 10 days
Refrigerated: 30 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Plasma/serum not separated from cells within 2 hours • Specimens submitted in non-trace element or non-acid washed container


Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Tues-Sat; Report available: 2-4 days


Reference Range
≥18 years 60-130 mcg/dL
Reference range not available for individuals <18 years for this micronutrient test.


Clinical Significance
Zinc is an essential element involved in a myriad of enzyme systems including wound healing, immune function, and fetal development. Zinc measurements are used to detect and monitor industrial,dietary, and accidental exposure to zinc. Also, zinc. measurements may be used to evaluate health and monitor response to treatment.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.