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Test Code LAB10069 Aspirin Functional Assay

Department

HEMATOLOGY

Collection Requirements

Coveanant HealthCare - DO NOT TRANSPORT VIA TUBE SYSTEM

Must 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 Aspirin 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

Less than 550 Aspirin Reaction Units (ARU) indicates platelet dysfunction consistent with aspirin use.

Methodology

Accumetrics VerifyNow Aspirin Assay

Performed

Sunday – Saturday

Reported

As completed

CPT Codes

85576

Unacceptable Conditions

Hemolysis, clotted specimens, refrigerated or frozen specimen.

Failure to assay within 4 hours of collection.