PT and PTT are blood tests that measure how long it takes your blood to clot. They assess the function of different clotting factors and help detect bleeding disorders or monitor blood-thinning medications.
PT and PTT are blood tests that measure how long it takes your blood to clot. They assess the function of different clotting factors and help detect bleeding disorders or monitor blood-thinning medications.
When elevated: Prolonged PT or PTT means blood is taking longer than normal to clot, indicating a potential bleeding risk. This can reflect deficiencies in clotting factors, liver disease, vitamin K deficiency, or the effect of anticoagulant medications like warfarin or heparin. When low: Shortened PT or PTT is uncommon and may indicate increased clotting tendency or certain inherited conditions. It can also occur with factor deficiencies that paradoxically accelerate specific clotting pathways, though this is rare.
PT/PTT are not typically athlete-specific markers, but become relevant if you're taking anticoagulants for a clotting condition or have a family history of thrombosis. For most healthy athletes, these tests are ordered only when investigating unexplained bruising, prolonged bleeding after injury, or as part of pre-surgical screening—not as routine performance or recovery monitoring.
Method
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Get your sample collected
Visit a lab service center near you for a quick blood draw (or book at-home phlebotomy where available).
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Your results land in your Insider portal, ready to review and act on — that easy.
Your price
$13.26$40
3.0× less than retail
Versus the typical direct-to-consumer retail price for this test (illustrative — consumer prices vary by provider and region).
$13.26
$49.90
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PT and PTT are blood tests that measure how long it takes your blood to clot. They assess the function of different clotting factors and help detect bleeding disorders or monitor blood-thinning medications.
PT and PTT are blood tests that measure how long it takes your blood to clot. They assess the function of different clotting factors and help detect bleeding disorders or monitor blood-thinning medications.
When elevated: Prolonged PT or PTT means blood is taking longer than normal to clot, indicating a potential bleeding risk. This can reflect deficiencies in clotting factors, liver disease, vitamin K deficiency, or the effect of anticoagulant medications like warfarin or heparin.
The Prothrombin Time (PT) and Partial Thromboplastin Time (PTT) test starts at $13.26 at Labcorp or Quest. No doctor's visit and no insurance needed; we do not bill insurance. Fitomics Insider members pay from $12.24.
No. When you order the Prothrombin Time (PT) and Partial Thromboplastin Time (PTT) test from Fitomics Research Labs, a licensed physician in our 50-state network reviews and signs your requisition after checkout, and it lands in your portal and inbox. Then visit any Labcorp, Quest, or BioReference patient service center for your draw; results post to your Insider portal.
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