Optimizing Blood Collection and Processing for Quantiferon-TB Gold in-Tube Testing Gives Low Rates of Indeterminate

Faisal Kordy, Valerie Waters, Cathy Den-Hollander1

  • 1Department of Paediatrics, Division of Infectious Diseases, The Hospital for Sick Children, Department of Paediatrics, and Department of Paediatric Laboratory Medicine, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.