Table 1

Urgency levels of the Netherlands Triage System

Urgency levelClassification of health problem and recommended care
U0Failure of vital functions (airway, breathing, circulation, disability), resuscitation
U1Life-threatening, immediate care
U2Acute, evaluation within 1 h
U3Urgent, evaluation within a few hours
U4Non-urgent, no time pressure, evaluation at the same day and/or within the same working shift
U5Self-care advice, evaluation can be postponed to regular primary care