Prothrombin Time (PT) with INR and Partial Thromboplastin Time (PTT) Blood Test
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Test Code: 005207, 005199
Specimen Type: Blood
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Description:
Prothrombin Time (PT) with INR and Partial Thromboplastin Time (PTT) Blood Test (Labcorp)
This package includes the Prothrombin Time (PT INR) and Partial Thromboplastin Time (PTT) tests. These tests are used to measure how long it takes a person's blood to clot. PT and PTT tests are often done for people taking blood thinners or anticoagulant medications such as Warfarin and Heparin to help determine their optimal dosage. They can also be used to help diagnose people with bleeding disorders or blood clots. The PT test also includes a measurement for International Normalized Ratio (INR). Results for these tests should be interpreted by a person's doctor.
These tests are sometimes ordered along with a Complete Blood Count (CBC).
Turnaround for these tests is typically 1 business day.
Where can I find a Prothrombin Time with INR and Partial Thromboplastin Time test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Requirements:
If Heparin is being administered by intermittent injection, specimen should be drawn 1 hour prior to next dosage.
This test is not appropriate for monitoring Unfractionated Heparin therapy. If you are taking Heparin, please consult your doctor to determine if this test is appropriate.
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