Protein C

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Normal values are 60% to 150% inhibition.

Deficient protein C can result in excessive clotting. These clots tend to form in veins, not arteries.

Protein C deficiency can be either inherited or acquired in association with other conditions. Liver disease, disseminated intravascular coagulation (DIC), warfarin, and chemotherapy can result in decreased protein C levels.

Review Date: 04/15/2005
Reviewed By: Rita Nanda, MD, Department of Medicine, Section of Hematology/Oncology, University of Chicago Medical Center, Chicago, IL. Review provided by VeriMed Healthcare Network.