Prothrombin Time (PT) measures how long it takes for your blood to clot. It evaluates the extrinsic and common pathways of the coagulation cascade.
Category: Coagulation
Also known as: pt, prothrombin time, pro time, protime
Reference range: 11–13.5 seconds (Source: ABIM)
Standard unit: seconds
High values may indicate
Prolonged PT may indicate liver disease, vitamin K deficiency, warfarin (blood thinner) therapy, disseminated intravascular coagulation (DIC), or clotting factor deficiencies.
Low values may indicate
Shortened PT is uncommon but may indicate a hypercoagulable state, high vitamin K intake, or use of certain medications.
Source: MedlinePlus, U.S. National Library of Medicine
Track your Prothrombin Time (PT) over time with BloodId