Activated Clotted Time, Kaolin
Performed by provider at the bedside (Point of Care Testing, iSTAT)
The i-STAT ACT (Kaolin) test is a CLIA-classified moderate complexity bedside test used to monitor high-dose heparin anticoagulation during cardiovascular procedures. The test measures clotting time via electrochemical detection of a thrombin substrate conversion, with results reported in seconds. All personnel must meet CLIA qualifications, complete competency assessments, and follow manufacturer instructions. Quality control, documentation, and proficiency testing must comply with CAP and Joint Commission standards to ensure accuracy and regulatory compliance.
Reference Range: 105-170 sec
Additional Resources: Activated Clotting Time [ACT], POCT iSTAT ACT v.8
Plain plastic syringe