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Test Information


CPT Code:


Specimen Requirements:

One 5 mL lavender-top (EDTA) tube (1 mL minimum). For infants: 1-2 lavender-top Microtainer's may be used. Gently invert tube six times immediately after drawing to prevent clotting. Store and transport specimen(s) refrigerated. Must be received in the laboratory within 24 hours of collection. Avoid exposure to extreme hot or cold temperatures.


48 hours refrigerated

Minimum Collection Volume:

1.0 mL EDTA whole blood


Impedence and Flow Cytometry

Transport Temperature:


Container Type:

Lavender-top tube or Microtainer

(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.)