Code 10

10-0s | 10-10s | 10-20s | 10-30s | 10-40s | 10-50s | 10-60s | 10-70s | 10-80s | 10-90s | 10-100s and up

Common 10 Code Meanings:

10-0s

Code	Meaning(s)
10-00	Officer Down, All Patrols Respond '(Ten-Double Zero)'
10-0	Caution Death/Dead Pursuit Unit logging off (NZ Police)
10-1	Poor Reception Officer Needs Help Unable to Copy Call your command (New York City) Message to all units (NZ Police)
10-2	Good Reception OK For Now, Continue With Status Checks Return to your command (New York City) Telephone call Unit is en route to job (NZ Police)
10-3	Ok, No Further Status Checks Needed Call your dispatcher {aka 'Central'} (New York City) Report to Headquarters Hold all radio traffic, emergency on channel Busy - Standby Unit Available (NZ Police)
10-4	Affirmative Ok Understood Repeat your last message (NZ Police)
10-5	Relay Pick up an item Drop off an item Repeat message (New York City) Out of service for a short time (now obsolete) (NZ Police)
10-6	Busy Out At Call Stand by (New York City) Change channel... (NZ Police)
10-7	Out of Service Ending tour of Duty Not functional (as a vehicle) (Ambulance) On Scene Request Break Proceeding to ___ Unit has arrived at job (NZ Police)
10-8	Back In Service On Duty Available for next Call
10-9	Repeat last message Urgent message (NZ Police) On Location of Incident (Ambulance) On route to hospital with patient Person with misdemeanor warrant (Michigan)

10-10s

Code	Meaning(s)
10-10	Fight In Progress Out of service, off duty Permission to go on or speak freely on a 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) Officer requires immediate assistance (NZ Police) Officer is at home, or on call from home
10-11	Animal Problem Road-side check Talking too fast Prepare to copy Alarm call Person who reported the alarm ("Who's the 10-11 on this?") En route Alarm, specify type (New York City) Is ____ On Duty? (Utah)
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 immediate assistance/officer down Mental health patient transport Officer needs immediate assistance/Officer down (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) Disabled Vehicle Back on time (Public Transportation) Information (Utah)
10-15	Civil Disturbance Prisoner/suspect in custody Check if Vehicle Stolen - People in or out rolling/stationary vehicle. Motor Vehicle Accident Domestic disturbance Check Plate, whether occupied or otherwise, check if stolen (New York City) Message Delivered (Utah)
10-16	Domestic Disturbance Make pickup at ___ Non-urgent business (lights and siren not necessary) Vehicle Stolen Prisoner Hit & Run License Check reports stolen (New York City) Reply To Message (Utah)
10-17	Meet Complainant Pick up papers at ___ Urgent business (lights and siren) Conduct Investigation Vehicle Not Stolen En Route Tow Truck Medical Emergency Writing Report License Check reports not stolen (New York City) Nothing for you.
10-18	Urgent Complete assignment ASAP Anything for us? Intoxicated (as a noun or an adjective) EMS Call Livestock on Roadway Warrant Check shows active warrants (New York City)
10-19	Return to ______ Returning from Scene Fire Call Return/En Route To Station Warrant Check shows no active warrants (New York City) In Contact (Utah)

10-20s

Code	Meaning(s)
10-20	Specify Location/My Location is ___/Location Report of past robbery (New York City)
10-21	Please Call ___ Phone Call Report of past burglary (New York City)
10-22	Disregard Report to ___ Send blood technician Report of past larceny, specify type (New York City) Sexual Activity on Campus
10-23	Arrived at Location/On Scene Stand by on this frequency Status check En route to call Sex offense Meet with officer
10-24	EMERGENCY BACK UP Clear call/stop Trouble at station Unit not available Direct traffic Report of past assault (New York City) Assignment Completed (Utah)
10-25	Report to ___ Please Contact ___ Officer Needs Help Report of past child abuse (New York City)
10-26	Detaining Suspect Check auto registration ETA ___ Disregard last info Phone residence Call canceled Message Received
10-27	Request Drivers License Check Vehicle Registration Request I am moving to channel ___ Motor Vehicle Accident Meet for Official Business Traffic stop Felony crimes as follows (the "10" portion being commonly unstated): 27-1 Homicide 27-2 Rape or sexual assault 27-3 Armed robbery 27-4 Aggravated battery 27-5 Burglary (commercial or residential) 27-6 Theft 27-7 Auto theft 27-8 Shooting 27-9 Stabbing
10-28	Request Vehicle Registration Check Driver's license request Identify your station Missing person
10-29	Request Arrests/Warrants Check Time is up for contact Stolen Vehicle Other past crime, specify (New York City)

10-30s

Code	Meaning(s)
10-30	Unauthorized use of radio Danger/caution Special check at ___ Juvenile Robbery in progress (New York City)
10-31	Crime in progress In pursuit Domestic disturbance Check for local warrants Suspicious person or situation Burglary in progress (New York City) Pick Up (Ohio)
10-32	Person with gun Fight in progress Radio check Check NCIC DWI test Medic down Breathalyzer Larceny in progress, specify type (New York City) _____ Units Needed (Utah)
10-33	Emergency, all units stand by Officer needs help / the life of the officer is in danger Disturbance at ___ Emergency Traffic Fire Threat or confirmed sighting of a bomb/explosive device (New York City)
10-34	Riot Frequency open (cancels 10-33) Help needed Trouble at jail Correct time Meet officer Assault in progress (New York City) Time Check (Utah) Drunk Wet Himself (Vermont)
10-35	Major crime alert Confidential information Suspicious person Record check returns Misdemeanor/Felony warrant Child abuse in progress (New York City)
10-36	Correct time of day? Confidential information Safety/Security Check (Utah)
10-37	Suspicious vehicle Identify yourself Wrecker needed at ___ Shoplifter Time of day? Operator on Duty
10-38	Stopping suspicious vehicle Traffic Stop Station report satisfactory Road Block Phone communications Vandalism Computers Down (Utah)
10-39	Investigate suspicious vehicle Run with lights & siren Your message was delivered Backing Up____ False alarm, premises were occupied Contact officer Disturbance Resume previous assignment Revert to prior status Motorist Assist Emergency

10-40s

Code	Meaning(s)
10-40	Run silent (no lights & siren) False alarm, no activity, premises appears secure Please tune to channel ___ Expedite Advise if available Suspicious person Dead animal Mental patient Fight Meal Break Shots fired Out at station/office Narcotics violation (Manassas PD) Don't divulge location
10-41	Begin duty Radio test Intoxicated person Debris in street Switch to alternate channel Neighbor trouble Officer is out on a meal break Female in Police Unit (Specifically someone of the opposite sex)
10-42	End duty "Flush and Clean" Traffic accident at ___ Malicious mischief Request dispatch times Home Fatality Call home Traffic History Report
10-43	Information Traffic jam at ___ Request criminal history Pick up passenger Armed robbery Rescue call Request officer Drivers License Report
10-44	Permission to leave patrol I have a message for you Transmission received Possible mental subject Traffic accident (no injury) Stolen (mostly vehicles) Fatality Suicide or attempt Driver's license clear Haz-Mat condition (New York City) Warrant Check
10-45	Animal carcass Pick up officer Fatality Drivers License/Warrant Check Fire alarm Fueling vehicle All units in range please report Traffic accident (injury) Property damage/car accident (non-injury) Unit on a traffic stop Coffee Break
10-46	Motorist assist Motor vehicle accident (MVA) Wrecker Car accident (injury) Urgent traffic only on this channel for (officer) at (location)
10-47	Emergency road repair Disorders and family trouble Missing person Drunk driver Blood run Paper Work Request ambulance Investigate Suspicious Vehicle (Utah) Vehicle Registration/License Plate Check (Kentucky)
10-48	Traffic control Request criminal history Did you copy? Runaway juvenile Use caution Request wrecker Ready to copy information Blood alcohol report Disturbing The Peace (Utah) Interstate Warrant (NCIC Hit)
10-49	Traffic light out EMERGENCY, clear air En route to assignment Any traffic/pending calls for this unit? Warrant Pedestrian on freeway Serving warrant Intoxicated/reckless driver

10-50s

Code	Meaning(s)
10-50	Officer Welfare Check Traffic Stop Accident Often referred to as a 10-50 PD (Property Damage), a 10-50 PI (Personal Injury), or (rarely) 10-50 F (Fire or Fatality) No/negative Break channel Auto accident with property damage Disorderly person/group (New York City)
10-51	Wrecker needed Auto accident with injuries Phone message En route Wandering gang, specify # of persons and direction
10-52	Ambulance needed Accident with Injuries Fatal auto accident Message for assignment Estimated Time of Arrival Audible alarm Dispute, specify if weapons, injuries (New York City)
10-53	Road blocked Silent alarm En route to office Intoxicated/disorderly person Officer is clear (from traffic stop/call for service) Vehicle accident, specify if property involved or if injuries (New York City) Dead on arrival (Salt Lake County Sheriff) Traffic Control (Utah)
10-54	Negative Animals on highway Fatal Accident Silent pursuit Traffic stop, dangerous vehicle/location Aided case {Injury, illness} Traffic control (Salt Lake County Sheriff) Change to Channel ____ (Utah)
10-55	Intoxicated driver or DWI Security check Ambulance call Coroner requested Officer Calling Officer
10-56	Intoxicated pedestrian Intoxicated Driver Warrant indicated Arrived at scene Change location Traffic Problem (Salt Lake County Sheriff)
10-57	Hit & run accident Intoxicated Person Narcotics Officer at pistol range
10-58	Direct traffic Wrecker DOA Teleprinter message Mental patient (violent) Follow-Up (Salt Lake County Sheriff) Airplane Crash (Utah)
10-59	Escort or convoy Out of car checking violation Ambulance Bomb threat Mental patient (non-violent) Reckless Driver (Utah)

10-60s

Code	Meaning(s)
10-60	Squad in vicinity Traffic stop Subject negative What is next message number? Assist motorist Major emergency (FDNY) Canceled Coffee break Out Of Car On Violator At ___ (Utah)
10-61	Personnel in vicinity (Is the subject within earshot of your radio?) Subject has record - not wanted Stand by for CW traffic Clear of traffic stop Weather conditions? Lunch break Motor Inspection (Utah)
10-62	Reply to message Subject possibly wanted Unable to copy, use phone Check for rising water Logged on/off Unit involved in a fleet Unauthorized Listener (RCMP) Stolen Vehicle (Salt Lake County Sheriff) Request Permission Car To Car (Utah)
10-63	Prepare to copy Subject positive Make written copy Net directed to ___ Need barricades Dispatch Coroner/OMI Send Tow Truck (RCMP) Vehicle burglary (Salt Lake County Sheriff)
10-64	Local message Subject wanted Message for delivery Net clear, resume normal traffic Field investigator Stopping motorist for moving violation House/Business check Send Ambulance (RCMP) Vandalism (Utah) Ready for message (Manassas PD)
10-65	Prepare to Copy Net message assignment Assist officer re: 10-64 Kidnapping Juvenile Problem (Utah)
10-66	Check Officer's well-being (make sure everything is still ok) Net message cancellation Acknowledge page Subject in observation category Major Crime Alert (Utah)
10-67	Clear for next message Subject is parolee Prepare to copy Person calling for help All units comply Net Message (Utah)
10-68	Dispatch message Subject in charged category Repeat dispatch Switch channels Runaway Juvenile (Utah)
10-69	Message received Clear to copy transmission? (assumes unit is not alone or with subject) Dangerous subject Any calls holding for me? Sniper Missing Person (Utah) Disorderly subject (Manassas PD)

10-70s

Code	Meaning(s)
10-70	Fire alarm Fire Wrecker Fire follow-up Prowler Bomb Net message Chemical spill In progress (fight, domestic, etc)
10-71	Advise nature of fire Lewd or Sexual Act Exploded Bomb Ambulance) Parking violation (Manassas PD)
10-72	Report progress on fire Subject is in PROHIBITED category (ie-drive, possess firearms, etc)* D.O.A. Prisoner in custody Suicide or Attempted Suicide Fire Truck Turkey Sandwich (New Jersey)
10-73	Smoke report Mental patient Abandoned vehicle Rape (Utah)
10-74	Negative No messages/pending business at this time Theft Civil Disturbance (Utah)
10-75	Confirmed working fire In contact with... Juvenile Trouble Domestic Problem (Utah) Suspicious person (Manassas PD)
10-76	ETA Situation Under Control Hijacking Return To _____ (Utah)
10-78	Need assistance Major accident with injury Request wrecker Back Up _____ (Utah) Mental Hygiene Arrest (MHA) (Monroe Co. NYS EMS)
10-79	Notify coroner Bomb threat Hit & run Stolen bicycle (Salt Lake County Sheriff) Transmit on Alternate Frequency

10-80s

Code	Meaning(s)
10-80	Pursuit in progress Subject has been arrested Bomb has exploded Tower lights out On assignment Demonstration Armed & Dangerous Suspicious person Stolen vehicle (Manassas PD)
10-81	Traffic stop initiated Breathalyzer request Burglar Alarm Stop for interrogation Officer ___ will be at your station At vehicle maintenance Civil disturbance/riot Shoplifting (Salt Lake County Sheriff) Breathalyzer Report (Utah) Prisoner in custody (Manassas PD)
10-82	Reserve lodging Stop for interrogation/arrest Traffic signal out Cover assistance Advise location and status Prisoner In Custody (Utah)
10-83	Work/school crossing detail Call station Units stop transmitting At radio shop Officer in trouble Confidential Information (Utah)(Manassas PD) Rape or Sexual Assault (Monroe Co. NYS EMS)
10-84	Advise ETA Checking officer status My telephone number is ___ Follow-up Broken utility main Special detail Back-up officer Visitors Present (Utah) IFA requires assistance
10-85	Arrival delay due to ___ En route to ___ Prepare to copy info My address is ___ Patrol check of___ Loose livestock Victim's Condition (Utah): Fair Poor Critical Possible Fatality Obvious Fatality
10-86	Officer on-duty Are there any messages/calls for me? Utility line down Crime in Progress (Utah) Advise Correct Time Reckless Driver (Kentucky) RADAR Detail (Manassas PD)
10-87	Pickup or prisoner transfer Pickup payroll check Dead body Meet with Officer Respond with caution (Glen Cove, NY) Abandoned Car (Utah) Tea Break
10-88	Advise telephone Station call Special assignment True alarm Officer needs assistance Man with a Gun (Utah)
10-89	Yes Bomb threat Send radio repair Officer at academy Welfare Check

10-90s

Code	Meaning(s)
10-90	Alarm Going Off Bank Alarm Radio repair to be at station Officer at headquarters False alarm Officer in chief's office Missing person Lunch break Welfare Check (most Oklahoma) Prepare to copy
10-91	Pick up prisoner/suspect Talk closer to the mic Prepare your inspection Vehicle fuel Bank holdup alarm Burglary (Utah)
10-92	Subject in custody* Parking violation Your signal is weak Officer at court Theft (Utah) Sexual assault case (Manassas PD)
10-93	Blockage Please check my frequency Armed robbery (Salt Lake County Sheriff) Unnecessary Use Of Radio (Utah)
10-94	Street racing Change to channel Contact Your Home (Utah)
10-95	Officer's Residence Prisoner/suspect in custody Emergency Status Check Transmit dead carrier for 5 seconds Out At Home (Utah)
10-96	Mental patient Detain prisoner/suspect Request case number
10-97	Record Information J1 Arrest Record Verified By Fingerprints J2 Could Be Armed/Dangerous J3 Has Assaulted Officers Arrived at scene Test signal Possible wanted person in vehicle Welfare check Known offender Officer at court Dead body/Fatality Shooting (Salt Lake County Sheriff)
10-98	Assignment complete Prison/jail break Criminal history indicated Officer at juvenile court Alarm (Glen Cove, NY) Sheriff's Office check (Salt Lake County Sheriff)
10-99	Cardiac arrest/death Warrants/stolen indicated-Manassas PD J2 Felony J3 May Be Armed J4 Use Extreme Caution Officer needs assistance/held hostage Message Received(1-Person Unit) Mission complete What is my incident/report number Unable to receive your signal Traffic stop / violator Escape in progress Bomb

10-100s and up

Code	Meaning(s)
10-100	Misdemeanor Warrant Dead body Hot pursuit Riot Conditions Exist Controlled substance Starting Security Check Supervisor (polite)Restroom break.
10-101	Ending Security Check
10-105	Dead on Arrival (DOA)
10-108	Officer down Officer in danger
10-109	Suicide
10-110	Police needed Narcotics, drugs involved Restroom break
10-1000	Felony Warrant Dead Person Officer Status Check
10-2000	Police required immediately

Other police codes

Some other police codes are as follows:

11-99:

Officer Needs Assistance (CHP)

187:

Homicide

211:

Armed robbery

253:

Canadian Criminal Code Section for impaired driver

311:

Omaha police code for indecent exposure

415:

Fight in progress

417:

Person with a gun

459:

Burglary

502:

Intoxicated driver

999:

Urgent help needed
Officer in immediate life-threatening danger
Officer down

2301:

Public Intoxication

148/149:

DUI/DWI

9560:

Mentally Ill

5150:

Mentally Ill Person
Involuntary Psychiatric Hold

1192:

DWI

Code 1:

Non-Urgent, Do so at your convenience

Code 2:

Urgent

Code 3:

Emergency, lights and siren

Code 4:

Subject in custody, situation under control, no further assistance needed

Code 6:

Standing by at ___

Code 7:

Meal break