Test Directory

Test Code
ZNCWB
Test Name
Zinc, Quantitative, Whole Blood
CPT Codes
84630
Expected Turnaround Time
2 - 4 days
Clinical Utility

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.

Specimen and Container Info

Specimen Type: Whole Blood

 

Collection Container: Royal Blue Top (EDTA)

 

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a royal blue top EDTA tube via venipuncture.
Processing and Submission Instructions
  1. Transport 1 mL of whole blood in the original collection container with the original royal blue cap.
Transport Instructions

Transport to the laboratory at room temperature.  

Stability Requirements

Room Temperature

7 days

Refrigerated

14 days

Causes for Rejection
  • Plasma or serum submitted
Methodology
Inductively Coupled Plasma - Mass Spectrometry (ICP- MS)
Reference Intervals

See patient report.

Alternate Names
  • Zinc, Whole Blood
  • Zn WB
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Varies