Patient & Visitor Alert: Because flu cases are on the rise, starting February 24, children 12 and younger
will be restricted from visiting hospitals and certain inpatient facilities throughout Carolinas HealthCare System. Learn more.

Carolinas HealthCare System
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FAQs for Hematology and Coagulation

Why must blood thinner medication (Coumadin, Heparin) levels be checked?
These medications are given to prevent blood clots. If the dosage is too low, the blood may clot; if the dosage is too high, bleeding may occur.