The Leeds Teaching Hospitals NHS Trust


The Activated Partial Thromboplastin Time (APTT) measures the activity of the intrinsic and common pathways of the coagulation cascade.

Tube Coagulation
ID 12614
Availability 24/7
Additional Information Usually requested as part of a coagulation screen including a Prothrombin time and Fibrinogen level.Please note: test can only be added to samples within 24 hours of collection
Turn Around Refer to Website
Collection Con No restrictions
Sample REQ Blood
Units secs
IP Routine TAT Refer to Website
GP Routine TAT Refer to Website