Code Blue
Medical emergency.
Code Yellow
Missing person alert
Code Green
Clear of suspects or danger.
Code 1
Urgent – immediate response required, using lights and sirens.
Code 2
Routine call – non-urgent, no lights or sirens required.
Code 3
No assistance is required – the situation is under control.
Code 4
The officer needs assistance – request for backup.
Code 5
An ambulance is needed at the scene.
Code 6
Fire department needed.
Affirmative
Yes or confirmation.