|
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Zinc
Test CodeZINC
Quest Code
945
CPT Codes
84630
Preferred Specimen
2 mL plasma collected in an EDTA or sodium heparin (royal blue-top) tube
Minimum Volume
0.7 mL
Other Acceptable Specimens
Serum collected in: No additive (royal blue-top) tube
Instructions
Separate plasma or serum from cells within 2 hours. Transfer separated plasma/serum to a plastic acid-washed or metal-free vial.
Transport Container
Acid-washed or metal-free vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 5 days
Refrigerated: 10 days
Frozen: 30 days
Refrigerated: 10 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
Tues-sat
Report Available
4-6 days
Reference Range
≤5 Months | 26-141 mcg/dL |
6-11 Months | 29-131 mcg/dL |
12-23 Months | 31-120 mcg/dL |
2-3 Years | 29-115 mcg/dL |
4-5 Years | 48-119 mcg/dL |
6-9 Years | 48-129 mcg/dL |
10-13 Years | 25-148 mcg/dL |
14-17 Years | 46-130 mcg/dL |
Adult | 60-130 mcg/dL |
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.
Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |