Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

ASPIRIN, VERIFYNOW

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1788         Geisinger Epic ID: 43808

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Specimen required:
TWO 2 mL Greiner blue-top tubes are required for each test.
Special notes:
Do not centrifuge whole blood. Do not place tube in pneumatic tube system. Draw order should be maintained, draw this tube prior to any other anticoagulant or additive tubes. Do Not Refrigerate or freeze tube. Specimen stable for only 4 hours. If drawing Verify Now Plavix analysis, specimen needs to be drawn in separate tube.

SPECIMEN PROCESSING
Specimen processing instructions:
If drawing Verify Now Plavix analysis, specimen needs to be drawn in separate tube. 
Transport temperature:
Room temperature.
Specimen stability:
4 hours
Rejection criteria:
Overfilled tube, underfilled tube, stability limit exceeded, tube system use, centrifugation of whole blood, refrigeration of whole blood.

TEST DETAILS
Reference interval:
>= 550
CPT code(s):
85576
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
PFASA
Methodology:
Whole Blood Aggregation
Synonyms:
Aspirin test, % Inhibition of aspirin
PFASA
Clinical significance:
Aspirin is used to permanently alter the platelet enzyme cyclo-oxgenase and block the Thromboxane A2 pathway. The effect of aspirin lasts while the platelets are in circulation. Aspirin use will result in a lower answer than the reference range.
Doctoral Director(s:)
Michelle Grant DO    
Review Date: 04/29/2019

Performing Locations

Geisinger Medical Center

Performing laboratory: Coagulation
Technical Lead: Margaret Knowles-Tuchman
Frequency: Daily, all shifts
Performed stat? Yes

Geisinger Wyoming Valley Medical Center

Performing laboratory: Coagulation
Technical Lead: Julia Bell    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Community Medical Center

Performing laboratory: Hematology
Technical Lead: Renee Bordo, Robert Furcon  
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Lewistown Hospital

Performing laboratory: Coagulation
Technical Lead: Lisa Sheaffer  
Frequency: Daily, all shifts    
Performed stat? Yes
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