10-99 Police Code Meaning & Definition
What Does 10-99 Mean?
10-99 is a police radio code most commonly used to mean Officer Urgently Needs Assistance.
Police departments and dispatch centers may use 10-99 differently, but Officer Urgently Needs Assistance is the most common meaning found in our database of agencies across the United States.
Most Common Meaning: Officer Urgently Needs Assistance
Used this way by: 8% of agencies on this page
Used in: 12 agencies across 9 states
Category: Emergency
Consensus: ConflictedThis code has significant meaning conflicts between agencies and may vary widely by location.
Code Distribution Breakdown
Officer Urgently Needs Assistance: 8% (1 agency)
Emergency: 8% (1 agency)
One Officer Unit: 8% (1 agency)
Asst Other Agency: 8% (1 agency)
What Is My CCR #: 8% (1 agency)
Unable to Read: 8% (1 agency)
Unable to Receive Signal: 8% (1 agency)
Officer needs help!: 8% (1 agency)
Restrict Talk To Current Incident: 8% (1 agency)
Officer Held Hostage: 8% (1 agency)
Other Final Disposition: 8% (1 agency)
Public Service Other: 8% (1 agency)
10-99 Police Code Meanings by Agency
12 agencies across 9 states
Must include remarks; includes vehicle accident tow classifications (T4–T8)
Sources
Why Does 10-99 Have Different Meanings?
Police radio codes are not standardized nationwide. Different agencies may assign different meanings to 10-99 , which is why multiple definitions can exist for the same code.
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