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Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog
ASPIRIN, VERIFYNOW |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1788 Geisinger Epic ID: 43808 | |
SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | |
Preferred collection container: |
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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 |
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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 |
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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 |
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Synonyms: |
Aspirin test, % Inhibition of aspirin PFASA
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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 Wyoming Valley Medical Center