VerifyNow P2Y12 Assay
General Information
- Lab Name
- VerifyNow P2Y12 Assay
- Lab Code
- VERP2Y
- Epic Name
- VerifyNow P2Y12 Assay
- Description
Results could be affected by the following: GPIIb/IIIa inhibitors, low HCT, low PLT or inherited platelet disorders. Patients with HCT<20% or PLT<50 K/uL cannot be tested with the VerifyNow Assay. Suggested timing for testing patients on P2Y12 inhibitory drugs is dependent on dosage given.
VerifyNow P2Y12 Suggested Sample Draw Time:
Medications Tested Dose Given Suggested Sample Draw Time Clopidogrel (Plavix) 75 mg 7 days on maintenance Clopidogrel (Plavix) 300 mg 8 hours post bolus Clopidogrel (Plavix) 600 mg 6 hours post bolus Prasugrel (Effient) 5 mg 5 days on maintenance Prasugrel (Effient) 10 mg 5 days on maintenance Prasugrel (Effient) 60 mg 45 minutes post bolus Ticagrelor (Brilinta) 90 mg (bid) 1 day on maintenance (within 8 hours of last dose for maximal effect) Ticagrelor (Brilinta) 180 mg 2 hours post bolus (within 8 hours for maximal effect) Do not test patients who have taken a GP llb/llla inhibitor tirofiban (Aggrastat®) or eptifibatide (Integrilin®) within two days, or abciximab (ReoPro®) within two weeks. Depending on the amount of GP IIb/IIIa inhibitor present in the sample, P2Y12 results may be markedly shortened or Error/Attention code may be displayed.
- Synonyms
- clopidogrel, Effient, Efient, Plavix, prasugrel, Ticlid, ticolpidine, Verify Now, VerifyNow PRU
- Components
-
Code Name P2Y12 VerifyNow P2Y12 Reaction
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 206-744-3451 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 tube
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
206-520-4600325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
Billing & Coding
- CPT Codes
- 85576
- LOINC
- 49010-2
- Interfaced Order Code
- UOW2126