Zinc, Whole Blood

Cleveland HeartLab Test, Z

CPT Code: 84630
Order Code: C2499
ABN Requirement: No
Specimen: Whole Blood
Volume:  2.0 mL
Minimum Volume:  0.5 mL
Container: EDTA (Navy Blue top) tube


  1. Draw and gently invert 8 to 10 times.
  2. Label tube with patient information.
  3. Store collection tube refrigerated at 2-8°C until ready to ship.

Transport: Store navy blue EDTA whole blood at 2-8°C after collection and ship the same day per packaging instructions provided with the Cleveland HeartLab shipping box.

Special Information: Diet, medication, and nutritional supplements may introduce interfering substances. Patient should be encouraged to discontinue nutritional supplements, vitamins, minerals, and non-essential over-the-counter medications.


Ambient (15-25°C): Indefinite
Refrigerated (2-8°C):
Frozen (-20°C):
Not Acceptable
Deep Frozen (-70°C):
Not Acceptable

Note: If the specimen is drawn and stored in the appropriate tube, the trace element values do not change with time.

Causes for Rejection: Specimens other than Navy Blue EDTA whole blood; improper labeling; samples not stored properly; samples older than stability limits; clotted specimens; specimens containing heparin anticoagulant

Methodology: Inductively Coupled Plasma/Mass Spectrometry (ICP-MS)

Turn Around Time: 3-7 days

Reference Range:

All Ages440-860

The CPT codes provided 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 payer being billed.