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Laboratory Test Directory

Zinc, Serum or Plasma

Components

Name Method Department Units
Zinc Inductively coupled plasma/ mass spectrometry
Core Lab, Chemistry, Routine ug/dL

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Royal blue (plain, no anticoagulant)

7 mL 1 mL
Alternate

Royal blue (EDTA)

7 mL 1 mL
Stability

Frozen - 6 month(s)

Specimen Preparation

  • Centrifuge within 2 hours, remove plasma/serum then transfer to a Laboratory Services provided Trace Element-Free Transport Tube. Label with either SERUM or PLASMA according to tube type. Freeze specimen. Send both aliquotted sample and original tube in same baggie.

Reasons for Rejection

  • Capillary specimen
  • Wrong collection tube
  • Moderate to grossly hemolyzed

Comments

Specimen must be venipuncture, in Royal Blue Top tube (plain or EDTA), to avoid potential contamination. Mild hemolysis is acceptable, moderate to gross hemolysis is cause for rejection. Testing is performed on Mondays and Thursdays. Samples must be received in testing lab by 1300 on days when testing is performed. Testing is not performed on national holidays.

CPT Code

  • 84630