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ACT

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Also known as: Activated Coagulation Time
Formal name: Activated Clotting Time

At a Glance

Why Get Tested?

To monitor heparin and other anticoagulation when undergoing cardiopulmonary bypass, coronary angioplasty, and dialysis

When to Get Tested?

When you are receiving high-dose heparin to prevent clotting during surgical procedures such as a cardiopulmonary bypass; when heparin levels are too high to allow monitoring with a PTT test and/or when a rapid result is necessary to monitor treatment

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None