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 Cytogenetics

How much blood is drawn and in which tube?
Five milliliters (2ml from neonates) of blood drawn in a sodium heparin (green-top) tube.
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