Total reviews 420
Total reviews 420
Tests Included: 2
Est. 1-3 business days (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
PT/INR: Screening test for abnormalities of coagulation factors that are involved in the extrinsic pathway. Also used to monitor effects of Warfarin therapy and to study patients with hereditary and acquired clotting disorders. aPTT: The aPTT is a screening test that will detect deficiencies or inhibitors to the intrinsic (Factors VIII, IX, XI and XII) and common (Factors II, V, X and Fibrinogen) pathway coagulation factors.
Tests Included: 2
Est. 1-3 business days (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
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Please do not exercise prior to testing. It is best that your blood is taken in a rested state.
Note: Turn around times on results are an estimate and are not guaranteed. The lab may need additional time due to holidays, confirmation/repeat testing, etc. You can contact us to discuss when your results should be ready and we will contact the lab on your behalf immediately.
| PT | 9.0-11.5 sec |
| INR | |
| Reference range | 0.9-1.1 |
| Moderate-intensity Warfarin Therapy | 2.0-3.0 |
| Higher-intensity Warfarin Therapy | 3.0-4.0 |
| aPTT | 22-34 sec |
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