Causes of clotting

This version of the course is no longer available.
Need multiple seats for your university or lab? Get a quote
The page below is a sample from the LabCE course Phlebotomy. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Phlebotomy (online CE course)
Causes of clotting

  • Clotting can be caused by:
  • Inadequate mixing of blood and anticoagulant within the collection tube.
  • Delay in expelling blood within a syringe (which contains no anticoagulant), into a collection tube with anticoagulant.