Triage Quick Reference Guide

Summary of adult physiological predictors (APP) for the ATS

Page last updated: 21 January 2013

The following table provides the criteria for adult physiological predictors.

APP Category 1
Immediate
Category 2
Emergency
Within 10 minutes
Category 3
Urgent
within 30 minutes
Category 4
Semi-urgent
Within 60 minutes
Category 5
Non-urgent
Within 120 minutes
Airway Obstructed/partially obstructed Patent Patent Patent Patent
Breathing Severe respiratory distress/ absent respiration/ hypoventilation Moderate respiratory distress No respiratory distress No respiratory distress No respiratory distress
Circulation Severe haemodynamic compromise/ absent circulation

Uncontrolled haemorrhage
Moderate haemodynamic compromise No haemodynamic compromise No haemodynamic compromise No haemodynamic compromise
Disability GSC <9 GCS 9-12 Normal GCS Normal GCS Normal GCS

Risk factors for serious illness or injury

These should be considered in the light of history of events and physiological data.
Multiple risk factors = increased risk of serious injury.
The presence of one or more risk factors may result in allocation of triage category of higher acuity.

Developed by a project team for the 'Consistency in Triage Project' (2001).
Contributors: Emergency Nurses' Association, Triage Working Party and Royal Children's Hospital emergency nursing staff.