Abbott I-Stat PT/INR Point of Care Testing (POCT)
| Sunquest Code: | INRPOC | ||
| Epic Code: | POC225 | Epic Name: | ISTAT INR Nursing POCT |
| Synonyms: | Prothrombin Time; PT; INR | ||
| Methodology: | Electrochemistry | ||
| Turnaround Time: | Performed daily; results are available immediately. | ||
Collection Instructions
| Specimen: | Whole blood |
| Optimal Volume: | 0.5 mL |
| Minimum\Peds Volume: | 95 µL |
| Container: | See Collection Instructions |
| Collection Instructions: | Fresh whole blood collected in a plain non-anticoagulated syringe. Alternatively fresh capillary whole blood (first drop). |
| Causes for Rejection: | Clotted specimen |
| Contraindications: | Must be tested immediately to avoid sample clotting. INR by I-Stat method is only recommended to monitor anticoagulant therapy. It should not be used on patients with factor deficiencies or any other coagulopathies. |
Processing and Shipping
| Stability: | Test immediately/ |
| Test Performed at or Referral Lab | Point of Care (Range, UMMC-East Bank, UMMC/UMMCH-West Bank) |
Interpretive
| Critical Range: | INR: Greater than 5.0 |
| Therapeutic Range: | INR: 0.9-1.2 |
| Use: | Monitor oral anticoagulant therapy at the patient's bedside. |
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