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Table 1 Five-level Triage Systems

From: Emergency department triage: an ethical analysis

System Countries Levels Patient should be seen by provider within
Australasian Triage Scale (ATS) Australia 1 - Resuscitation Level 1 - 0 minutes
  New Zealand 2 - Emergency Level 2 - 10 minutes
   3 - Urgent Level 3 - 30 minutes
   4 - Semi-urgent Level 4 - 60 minutes
   5 - Nonurgent Level 5 - 120 minutes
Manchester England 1 - Immediate (red) Level 1 - 0 minutes
  Scotland 2 - Very urgent (orange) Level 2 - 10 minutes
   3 - Urgent (yellow) Level 3 - 60 minutes
   4 - Standard (green) Level 4 - 120 minutes
   5 - Nonurgent (blue) Level 5 - 240 minutes
Canadian Triage and Acuity Scale(CTAS) Canada 1 - Resuscitation Level 1 - 0 minutes
   2 - Emergent Level 2 - 15 minutes
   3 - Urgent Level 3 - 30 minutes
   4 - Less urgent Level 4 - 60 minutes
   5 - Nonurgent Level 5 - 120 minutes
  1. Table 2-2 Five-level Triage Systems