PT (Prothrombin Time)
10 - 30 sec
PTT (Partial Thromboplastin Time)
25 - 30 sec
aPTT (Activated Partial Thromboplastin Clotting Time) - not on heparin
30 - 40 sec
aPTT (Activated Partial Thromboplastin Clotting Time) - on heparin
47 - 70 sec
INR (International Normalized Ratio) - not on warfarin
< 1 sec
INR (International Normalized Ratio) - on warfarin
2 - 3 sec