| Codes | Meaning |
| 10-10 | Fight In Progress Out of service, off duty Permission to go on common channel (car to car transmission, rather than through dispatch) Negative Transmission completed Welfare check Other non-Criminal Event On Break, Subject To Calls Possible Crime {Shots fired, suspicious person etc.} (New York City) Person with felony warrant (Michigan) |
| 10-11 | Animal Problem Road-side check Talking too fast Alarm call Person who reported the alarm ("Who's the 10-11 on this?") En route Alarm, specify type (New York City) |
| 10-12 | Standby Visitors present Disregard Call in reports At scene Check revocation Security Holding, usually inside a store (New York City) |
| 10-13 | Advise Weather/Road Conditions Officer in need of assistance Mental health patient transport Officer needs immediate assistance (New York City) Running late by ___ minutes (Public Transportation) |
| 10-14 | Suspicious Person/Report of Prowler Convoy or escort Check Plate, Vehicle is occupied and suspicious, check if stolen (New York City) Back on time (Public Transportation) |
| 10-15 | Civil Disturbance Prisoner/suspect in custody Check if Vehicle Stolen - People in or out rolling/stationary vehicle. Domestic disturbance Check Plate, whether occupied or otherwise, check if stolen (New York City) |
| 10-16 | Domestic Disturbance Make pickup at ___ Non-urgent business (lights and siren not necessary) Vehicle Stolen Prisoner License Check reports stolen (New York City) |
| 10-17 | Meet Complainant Pick up papers at ___ Urgent business (lights and siren) Conduct Investigation Vehicle Not Stolen En Route Medical Emergency Writing Report License Check reports not stolen (New York City) |
| 10-18 | Urgent Complete assignment ASAP Anything for us? Intoxicated (as a noun or an adjective) Livestock on Roadway Warrant Check shows active warrants (New York City) |
| 10-19 | Return to ______ Returning from Scene Return/EnRoute To Station Warrant Check shows no active warrants (New York City) |