Common 10 Code Meanings:
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
- (Ambulance) In Service / En Route
- Unit busy but available (NZ Police)
|
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)
|
Return to Top 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)
|
Return to Top 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)
|
Return to Top 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
|
Return to Top 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
|
Return to Top 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)
|
Return to Top 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)
|
Return to Top 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 |
- En route to location
- See complainant
|
10-77 |
- 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
|
Return to Top 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
|
Return to Top 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 |
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
|
Return to Top 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 |
|
10-105 |
|
10-108 |
- Officer down
- Officer in danger
|
10-109 |
|
10-110 |
|
10-200 |
- Police needed
- Narcotics, drugs involved
- Restroom break
|
10-1000 |
- Felony Warrant
- Dead Person
- Officer Status Check
|
10-2000 |
- Police required immediately
|
Return to Top Other police codes
Some other police codes are as follows:
11-99
- Officer Needs Assistance (CHP)
187
211
253
- Canadian Criminal Code Section for impaired driver
311
- Omaha police code for indecent exposure
415
417
459
502
999
- Urgent help needed
- Officer in immediate life-threatening danger
- Officer down
2301
148/149
9560
5150
- Mentally Ill Person
- Involuntary Psychiatric Hold
1192
Code 1
- Non-Urgent, Do so at your convenience
Code 2
Code 3
- Emergency, lights and siren
Code 4
- Subject in custody, situation under control, no further assistance needed
Code 6
Code 7
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