Code 3
Routine response – no urgency.
Code 4
The situation is under control, and no further assistance is needed.
Code 5
The officer needs immediate assistance (emergency backup is required).
Code 6
Medical assistance is required, so request an ambulance.
Code 7
Fire emergency – request for the fire department.
Code 8
Hazardous materials or dangerous situations are present.
Code 9
Suspect in custody or secured.
Code 10
Traffic incident – minor or non-emergency.
Affirmative
Yes or confirmation.
Negative
No or disagreement.