o Bloodstream infection (BSI): Any positive blood culture event.
o Access-related bloodstream infection (ARBSI): Positive blood culture with the suspected source reported as the vascular access or uncertain.
o Local access site infection (LASI): Pus, redness, or increased swelling of the vascular access site and access-related bloodstream infection is not present.
o Vascular access infection (VAI): Either a local access site infection or an access-related bloodstream infection.