Emergency Departments

Wait Time Targets for Emergency Department Performance

Median 90th percentile
Time to Physician Initial Assessment (PIA) 1 hour 3 hours
Emergency Department Length of Stay
– CTAS IV/V Low acuity discharged patients 2 hours 4 hours
– CTAS I-III  High acuity discharges 4 hours 8 hours
– Admitted patients (all CTAS levels) 8 hours 12 hours
Time (to transfer) to in-patient bed 2 hours 8 hours

CTAS: Canadian Triage and Acuity Scale. More information on CTAS levels can be found here

Related Items

CAEP Position Statement: “Emergency department overcrowding and access block” (2013)

Adult Canadian Triage and Acuity Scale Implementation Guidelines (2008)

Paediatric Canadian Triage and Acuity Scale Implementation Guidelines (2008)

Canadian Association of Emergency Physicians website