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Lab Test Dictionary

VerifyNow Aspirin Test (AA)





Specimen Type

Whole Blood

Performing Lab

UCSD Hillcrest Rapid Response Lab (RRL)

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

4 Hours

Stat TAT

1 Hour

Collection Information

Specimen Required

2 mL (x2) Whole Blood

Container Type

Greiner Bio-One Vacuette (3.2% Sodium Citrate)

Collection Instructions

Call lab for collection tubes. Tubes are located in send out cupboard or pick-up tubes from Sharp Lab. Specimen must be collected 2-30 hours after aspirin ingestion. Fill whole blood to the black arrows on tube (2 mL) following a discard tube of at least 2 mL of whole blood. Always draw the tubes for VerifyNow Test first. DO NOT DRAW A SPECIMENS FOR VERIFYNOW ASSAY AFTER A TUBE THAT CONTAINS EDTA.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: 4 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Rejection Criteria

Clotted; Hemolyzed; Refrigerated or Frozen specimens

Test Volume Required

2 mL (x2) Whole Blood

Minimum Test Volume

2 mL (x2) Whole Blood

Processing Instructions

DO NOT CENTRIFUGE. Complete a UCSD Special Coag requisiton and send with whole blood specimens to UCSD immediately room temp. Call TForce for a "RUSH" courier to pick-up and deliver to 200 W Arbor Drive, Room 2105, San Diego, CA 92103. For questions call the UCSD Hillcrest Rapid Response Lab at (619) 543-2324.

CPT Codes