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HelpTest Code LAB12757 Platelet Inhibition (Plavix)
Department
HEMATOLOGY
Collection Requirements
Coveanant HealthCare - DO NOT TRANSPORT VIA TUBE SYSTEM
Draw a discard tube first.
Must be a full draw.
If a CBC is also ordered, collect the CBC last.
If drawing from a catheter, you must draw at least 5.0 mL of waste prior to drawing the Plavix specimen.
Primary Collection Container
2 Blue 2.0 mL NaCITRATE (Blue White)
Transport
Whole blood ambient
Preferred Transport Temperature
Ambient
Stability
Ambient: 4 hours
Refrigerated: Unacceptable
Frozen: Unacceptable
Minimum Testing Volume
2.0 mL
Reference Range
182-335 PRU
Values < 180 PRU suggest a drug effect from a P2Y12 inhibitor on platelet reactivity.
Methodology
VerifyNow P2Y12 Assay
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
85576
Unacceptable Conditions
Hemolysis, clotted specimens, refrigerated or frozen specimens, specimens over 4 hours old.
Additional Information
Can also be used to verify if patient is therapeutic for Effient and Brilinta.
Patients with platelet values less than 119k or more than 502k and Hematocrit values less than 33% or greater than 52% can interfere with testing and valid results may not be obtained.
The P2Y12 Platelet Function assay is not intended for use with inherited platelet disorders such as von Willebrand Factor deficiency, Glanzmann Thrombasthenia and Bernard-Soulier Syndrome.