ZINC, Serum or Plasma
Test Code: LAB581
CPT Code: 84630
Interface Code
ZINCS
Synonym
ZN, 001800
Specimen Type
Plasma (Preferred) or serum
Specimen Container
Royal blue-top (EDTA) tube or royal blue-top tube without EDTA
Specimen Handling
Separate serum from cells within 45 minutes of collection and transfer to a certified metal-free transport tube. Plasma may be separated immediately and transferred to a certified metal-free plastic transport tube .
Volume
2 mL
Minimum Volume
0.6 mL
Temperature
Room Temp (Preferred), Refrigerated (Acceptable), Frozen (Acceptable)
Unacceptable Conditions
Certified metal-free plastic transport tube not submitted; unspun royal blue-top tube from which the plasma or serum has not been removed; gel-barrier tube
Methodology
Inductively coupled plasma/mass spectrometry (ICP/MS)
Additional Information
Levels may be low in fever, sepsis, estrogen therapy, stress, or myocardial infarction, reflecting mobilization from serum to the liver by interleukin. Levels are usually low in uremia with normal tissue levels. Levels may be high in familial hyperzincemia without toxicity or high zinc stores.
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days
Freeze/Thaw cycles: Stable x2
Refrigerated: 14 days
Frozen: 14 days
Freeze/Thaw cycles: Stable x2
Reference Range Information
Reference values are dependent upon methodology/instrumentation, check final report for current reference values
Turn Around Time
2-4 days
Performing Site
LabCorp
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