Platelet Count

Cleveland Heartlab P, Test


CPT Code: 85049
Order Code: 1380
Synonym: PLT
ABN Requirement: No
Specimen: EDTA Whole Blood
Volume:  4.0 mL
Minimum Volume:  1.0 mL
Container: EDTA (Lavender Top tube)


  1. Collect and label sample according to standard protocols.
  2. Gently invert tube 8-10 times immediately after draw. DO NOT SHAKE.
  3. Do not centrifuge.

Transport: Store EDTA whole blood at 2°C to 8°C after collection and ship the same day per packaging instructions included with the provided shipping box.


Ambient (15-25°C): 2 days
Refrigerated (2-8°C): 3
Frozen (-20°C):
Not Acceptable


Causes for Rejection: Clotted samples; grossly hemolyzed samples; specimens other than EDTA whole blood; specimens with plasma removed; insufficient volume; contamination from IV fluid; improper labeling; samples not stored properly; samples older than stability limits

Methodology: Flow Cytometry

Turn Around Time:  1 to 3 days

Reference Range:  See Laboratory Report

Clinical Significance: Platelets must be present in adequate numbers and have proper function to aid in hemostasis.

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.