Test Code

CPT Codes

Preferred Specimen
2 mL plasma collected in an EDTA (royal blue-top) tube

Minimum Volume
0.7 mL

Other Acceptable Specimens
Serum collected in: No additive (royal blue-top) tube

Separate plasma or serum from cells within 2 hours. Transfer separated plasma/serum to a plastic acid-washed or metal-free vial.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 5 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

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) or Atomic Spectroscopy

Setup Schedule
Sets up 3 days a week.

Report Available
Reports in 1-4 days.

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.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.