Clot Retraction Time (CRT)

Test Methodology:

Manual Method


Running Day:

Daily 


Turn Around Time:

Depends on how long the blood will retract 


Specimen Requirement:

1cc whole blood (glass red top) 


Patient Preparation:

None


Special Considerations:

Take note of the time specimen was collected and place in a 

water/dry bath 37°C, collected by Medical Technologist only 


Unit Conducting the Service:

Hematology