What are the codes Las Vegas police officer use on scanners?

Las Vegas Metropolitan Police Department (LVMPD) uses a variety of codes on scanners to communicate with each other. Some of the most common codes include:

* 10-4: Affirmative.

* 10-5: Negative.

* 10-10: Repeat last transmission.

* 10-15: Subject matching description of suspect.

* 10-20: Location of suspicious person or activity.

* 10-21: Follow-up investigation required.

* 10-22: Prisoner in custody.

* 10-23: Accident involving injuries.

* 10-24: Accident involving fatalities.

* 10-31: Robbery in progress.

* 10-40: Disturbance in progress.

* 10-41: Fight in progress.

* 10-50: Shots fired.

* 10-60: Request for assistance.

* 10-70: Officer needs immediate assistance.

* 10-80: Officer down.

In addition to these codes, LVMPD also uses a number of other codes that are specific to their department. These codes are not publicly available and are only used by LVMPD officers.