If you get the test because you’re taking heparin, you’d want your PTT results to be more like 120 to 140 seconds, and your aPTT to be 60 to 80 seconds. If your number is higher than normal ...

My a PTT level was high, but the PT level was normal. The doctor said it was probably nothing, and the surgery went fine. But, when I went back for my annual checkup, he rechecked it, and it's ...