10-1 Cannot understand
10-2 Your Signal is good
10-3 Stop transmitting
10-4 Message received
10-5 Relay information to ___
10-6 Station is busy
10-7 Out of service
10-8 In service
10-9 Repeat last message
10-10 Negative
10-11 ___ in service
10-12 Stand by
10-13 Report ___ conditions
10-14 Information
10-15 Message delivered
10-16 Reply to message
10-17 En route
10-18 Urgent
10-19 Contact
10-20 Unit Location
10-21 Call ___ by telephone
10-22 Cancel last message
10-23 Arrived at scene
10-24 Assignment completed
10-25 Meet ___
10-26 Estimated time of arrival is ___
10-27 Request for Information on license
10-28 Request vehicle registration information
10-29 Check records
10-30 Use caution
10-31 Pick up
10-32 Units requested
10-33 Emergency -- clear the air
10-34 Correct time ___

Extended APCO 10- Codes

10-0 Use caution
10-1 Signal weak
10-2 Signal good
10-3 Stop transmitting
10-4 Message received pedestrian
10-5 Relay
10-6 Station is busy
10-7 Out of service
10-8 In service
10-9 Repeat
10-10 Fight in progress
10-11 Animal problem
10-12 Stand by
10-13 Report conditions
10-14 Prowler report
10-15 Civil disturbance
10-16 Domestic problem
10-17 Meet complainant
10-18 Urgent
10-19 Go to station of alarm
10-20 Advise your location progress of alarm
10-21 Phone ___
10-22 Disregard
10-23 Arrived at scene with ___
10-24 Assignment complete
10-25 Report to ___
10-26 Detaining suspect
10-27 Driver's license information
10-28 Vehicle registration information
10-29 Check records for warrant
10-30 Unauthorized use of radio
10-31 Crime in progress
10-32 Person with gun
10-33 Emergency -- all units stand by
10-34 Riot
10-35 Major crime alert
10-36 Correct time
10-37 Suspicious vehicle
10-38 Stop suspicious vehicle
10-39 Respond with siren & flashers
10-40 Do not use siren & flashers
10-41 Beginning shift
10-42 End shift
10-43 Information
10-44 Permission to leave
10-45 Dead animal
10-46 Assist motorist
10-47 Emergency road repair
10-48 Traffic control
10-49 Traffic signal out
10-50 Traffic accident
10-51 Request tow truck
10-52 Request ambulance
10-53 Roadway blocked
10-54 Livestock on roadway
10-55 Intoxicated driver
10-56 Indoxicated
10-57 Hit and run accident
10-58 Direct traffic
10-59 Escort
10-60 Squad in vicinity
10-61 Personnel in vidinity
10-62 Reply to message
10-63 Prepare to copy
10-64 Local message
10-65 Net message
10-66 Cancel message
10-67 Clear for net message
10-68 Dispatch information
10-69 Message received
10-70 Fire alarm
10-71 Advise nature
10-72 Report
10-73 Smoke report
10-74 Negative
10-75 In contact
10-76 En route to ___
10-77 Estimated time of arrival
10-78 Request assistance
10-79 Notify coroner
10-80 Pursuit in progress
10-81 Breathalyzer report
10-82 Reserve lodgings
10-83 School crossing assignment
10-84 Estimated time of arrival (?)
10-85 Arrival delayed
10-86 Operator on duty
10-87 Pick up
10-88 Advise telephone number
10-89 Bomb threat
10-90 Bank alarm
10-91 Pick up subject
10-92 Illegally parked vehicle
10-93 Blockage
10-94 Drag racing
10-95 Subject in custody
10-96 Detain subject
10-97 Test signal
10-98 Prisoner escape
10-99 Wanted or stolen
10-100 Police needed
10-105 Deceased person
10-106 Suspicious person
10-107 Check residence