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Test Code ACTPOC Activated Clotting Time (ACT) POC1

Test Method

Kaolin activated clotting time; Abbott i-STAT


Performed by laboratory personnel at the
patient bedside.

Useful For

The ACT is an indirect assessment of the efficacy of heparin in
surgical procedures. Initial measurements determine sufficient
heparin dose administration. Subsequent measurements are used to
determine if the heparin dose has been sufficiently

Specimen Requirement

0.5 mL whole blood is required.

CPT Code Information

85347 Coagulation time, Lee and White, activated


3184-9 Activated Clotting Time In Blood By Coagulation Assay

Reference Values

Reference values are established by the cardiologists or
clinicians pertinent to the clinical situation.

Non-heparinized patients: 74-137 sec.

Additional Specimen Collection Information

Two possible acquisition methods are acceptable:

Venipuncture: Using a syringe.  Arterial or Venous

The specimen may be collected by nursing personnel from an
arterial or venous line.