aPTT

Coagulation Unit: seconds

Intrinsic pathway; monitored on heparin

Also known as: Activated Partial Thromboplastin Time,APTT,PTT,Partial Thromboplastin Time

Reference Ranges

Clinical Reference 25.0 – 35.0 seconds

Optimal Range 27.0 – 33.0 seconds

Critical Range > 100.0 seconds

Upload your blood test to see how your aPTT compares to reference and optimal ranges.