30
Jan
Ptt Normal Level. The reference range of the aptt is 30 40 seconds. A related blood test is prothrombin time pt. Normal pt normal ptt. Individually these tests are commonly referred to as a prothrombin time pt partial thromboplastin time ptt and international normalized ratio inr.
Before you have surgery your doctor may order blood tests to determine how quickly your blood clots. Doctors call this prolonged ptt. Partial thromboplastin time ptt is a blood test that looks at how long it takes for blood to clot. The partial thromboplastin time ptt or activated partial thromboplastin time aptt or aptt is a blood test that characterizes coagulation of the blood a historical name for this measure is the kaolin cephalin clotting time kcct reflecting kaolin and cephalin as materials historically used in the test. Normal results are typically 25 to 35 seconds. 1 2 3 the reference range of the ptt is 60 70 seconds.
It can help tell if you have a bleeding problem or if your blood does not clot properly.
Indicates severe liver disease genetic conditions or decreased defective factors. This may indicate extensive cancer unless there is known liver issue involved. Doctors call this prolonged ptt. Before you have surgery your doctor may order blood tests to determine how quickly your blood clots. Ptt test results are measured in seconds. Apart from detecting abnormalities in blood clotting partial thromboplastin time is.