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Epic Code LAB581 Zinc, Serum Level

Test Name Alias


Interface Order Alias


Quick Collect

Centrifuge and separate serum from RBCs as soon as possible.

Collection Instructions

Specimen Collection: Blood


Container(s): 6-mL Plain, royal blue-top Vacutainer plastic trace element blood collection tube 

Link: Which royal blue tube should I use?


Preferred Volume to Collect: 6.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 2.0 mL

Capillary collect ok? No

Microtainer acceptable?  No


Collection Instructions:


  • Avoid hemolysis.
  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 30 minutes – See Processing Instructions.

Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Serum

Centrifuge/Spin: Yes

Aliquot: Yes


Processing Instructions:

  • Allow the specimen to clot for 30 minutes
  • Centrifuge the specimen to separate serum from the cellular fraction.
  • Serum must be removed from the cellular fractionwithin 4 hours of specimen collection
  • Remove the stopper.
  • Carefully transfer with plastic pipette the serum specimen into a polypropylene vial, avoiding transfer of the cellular components of blood
  • Do not ream the spcimen with a wooden stick to assist with serum transfer.

Minimum plasma/serum volume: 1.0 mL


Transport Temperature: Refrigerated

Rejection Criteria

Hemolyzed specimens are not acceptable for this test, as zinc levels in red blood cells are 8-10 times higher than those in serum.

Specimen Stability

Ambient: 14 days

Refrigerate: 14 days

Frozen: 14 days

Laboratory Retention: 7 days

Test Frequency

Batched and run 3 times per week (Monday/Wednesday/Friday), usual TAT 1-3 days.

Reference Range


0.65 – 1.05 mcg/mL

Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI


Atomic Emission Spectroscopy (AES)


This test was developed and its performance characteristics determined by Spectrum Health Toxicology Laboratory. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.




CDM Code


Epic Test ID



Zinc Lvl: 8245-3

Mayo Access Code


Reviewed Date