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Ontario Ambulance 10 Codes

10 codes

  • 10-3 All Vehicles stop Transmitting

  • 10-4 Acknowledged

  • 10-6 Busy-Stand by unless Urgent

  • 10-7 Arrived(or OUT of Service)

  • 10-8 Departed (or IN service)

  • 10-9 Repeat last Transmission

  • 10-13 Unable to reply (Relative nearby etc.)

  • 10-19 Return to Base

  • 10-20 What's your Location

  • 10-21 Phone by Landline or Cellular

  • 10-25 Non-Violent Psychiatric Patient

  • 10-26 Call is cancelled

  • 10-27 Hostage Taking or SWAT Standby

  • 10-34 What's the Hospital status

  • 10-36 Emergency is CLOSED (Critical care Bypass)

  • 10-37 Emergency is OPEN to Code 3's only (ReDirect Considerations)

  • 10-38 Emergency is CLEAR

  • 10-50 Violent Psychiatric Patient

  • 10-100 Bomb Threat

  • 10-200 Have Police Attend (often abbreviated to 10-2's)

  • 10-2000 Send Police IMMEDIATELY

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