Table 2-2. Five-level Triage Systems
| System |
Countries |
Levels |
Patient should be seen by provider within |
| Australasian Triage Scale (ATS)
(formerly National Triage Scale of Australia) |
Australia
New Zealand |
1 - Resuscitation
2 - Emergency
3 - Urgent
4 - Semi-urgent
5 - Nonurgent |
Level 1 - 0 minutes
Level 2 - 10 minutes
Level 3 - 30 minutes
Level 4 - 60 minutes
Level 5 - 120 minutes |
| Manchester |
England
Scotland |
1 - Immediate (red)
2 - Very urgent (orange)
3 - Urgent (yellow)
4 - Standard (green)
5 - Nonurgent (blue) |
Level 1 - 0 minutes
Level 2 - 10 minutes
Level 3 - 60 minutes
Level 4 - 120 minutes
Level 5 - 240 minutes |
| Canadian Triage and Acuity Scale |
Canada |
1 - Resuscitation
2 - Emergency
3 - Urgent
4 - Less Urgent
5 - Nonurgent |
Level 1 - 0 minutes
Level 2 - 15 minutes
Level 3 - 60 minutes
Level 4 - 120 minutes
Level 5 - 240 minutes |
Sources: Australasian College for Emergency Medicine, 2002; Canadian Association of Emergency Physicians, 2002; Manchester Triage Group, 1997
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