VerifyNow Aspirin Assay Group

General Information

Lab Name
VerifyNow Aspirin Assay Group
Lab Code
VERASG
Epic Name
VerifyNow Aspirin Assay Group
Description
Samples should be collected 2 to 30 hours after ingestion of aspirin to show drug effect. Results could be affected by NSAID interference, P2Y12 inhibitors, GPIIb/IIIa inhibitors, inherited platelet disorders, or low HCT or low PLT counts. Patients with HCT<20% or PLT<50 K/uL cannot be tested with the VerifyNow assay.
Synonyms
ASA resistance, Aspirin resistance, Verify Now
Components
Code Name
VERASP VerifyNow Aspirin Assay

Interpretation

Method
VerifyNow System
Reference Range
See individual components

Ordering & Collection

Specimen Type
Blood
Collection
Peripheral draw recommended. Special collection tubes required. Call HMC Laboratory at 744-3451 to obtain Greiner citrate tubes.

Draw 2 mL blood into each of the two Greiner citrate tubes (must fill to the proper level).
Handling Instructions
Sample handling is critical for this assay. Carry specimen to laboratory at room temperature within 3 hours of collection. DO NOT SEND SAMPLES IN PNEUMATIC TUBE SYSTEM. Samples received by pneumatic tube will not be accepted.
Quantity
Requested: Entire sample
Minimum: 2 mL whole blood

Processing

Receiving Instructions
UW-MT Instructions: Send specimens at room temperature to HMC within 3 hours of sample collection.
HMC Instructions:  Take to HMC Hematology immediately.
 
Outside Laboratories: Deliver specimens at room temperature directly to HMC within 3 hours of sample collection.
Misc Sendout

Performance

Lab Department
Hematology(H)
Frequency
Daily
Available STAT?
Yes
Performing Location(s)
HMC Hematology
206-520-4600

325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420

Billing & Coding

CPT Codes
85576
LOINC
49011-0
Interfaced Order Code
UOW2125