Test Code PFT Platelet Function, Blood
Methodology
Platelet AggregationNote: Due to the critical timing for testing after blood is drawn, patient must present to the Aspen Valley Hospital Laboratory for testing as an outpatient. Specimen cannot be drawn in a physician’s office.
Performing Laboratory
Aspen Valley HospitalPhysician Office Specimen Requirements
EDTA and sodium citrate whole blood are required for this test.
EDTA Whole Blood
Container/Tube: Lavender-top (EDTA) tube(s)
Specimen: 4.5 mL (minimum volume: 2 mL) of EDTA whole blood
Transport Temperature: Ambient
Collection Instructions:
Note: 1. Indicate EDTA whole blood on request form.
2. Label specimen appropriately (EDTA whole blood).
Sodium Citrate Whole Blood
Container/Tube: Light blue-top (sodium citrate) tube(s)
Specimen: 4.5 mL (minimum volume: 2 mL) of sodium citrate whole blood
Transport Temperature: Ambient
Collection Instructions:
Note: 1. Indicate sodium citrate whole blood on request form.
2. Label specimen appropriately (sodium citrate whole blood).
Reference Values
Platelet function epinephrine: 82-150 secondsPlatelet function Adenine di-Phosphate (ADP): 62-100 seconds
An interpretive report will accompany all platelet function testing.
Day(s) Test Set Up
Monday through SundayTest Classification and CPT Coding
85014 - hematocrit85049 - blood count, platelet
85576 x 2 - platelet, aggregation