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Partial Thromboplastin Time (PTT)

Measures how long blood takes to clot through the ‘intrinsic’ and common pathways (aPTT/PTT). Results can be affected by clotting factor problems or blood thinners.

฿455.00

Measures how long blood takes to clot through the ‘intrinsic’ and common pathways (aPTT/PTT). Results can be affected by clotting factor problems or blood thinners.

Blood

15 min at lab

Results: 1 day

Typical Use

Used to investigate unexplained bleeding or clotting, to screen for hemophilia or other factor deficiencies, and to monitor unfractionated heparin therapy.

Preparation

Wear clothing that allows easy access to your arm

Arrive well-hydrated

Continue regular medications unless advised otherwise by your doctor

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