Table 1. Definitions used to determine hand-hygiene opportunities, patient contact, and invasive procedures^a.

Hand-hygiene opportunities	Patient contact	Invasive procedures
Patient contact	Contact with patient’s skin	Phlebotomy
Performance of an invasive procedure	Contact with blood or body fluids	Intravenous or intramuscular injection of a medication
Placement of an intravascular device or urinary catheter	Contact with mucous membranes	Wound care
Visible soiling of hands		Urinary catheterization
Contact with body fluids
Glove removal
Contact with a likely contaminated environmental surface

^aPatient contact and invasive procedure are not mutually exclusive categories.