This book has been manually flagged by NARA as being obtained through exploits. Its contents and existence should not be taken seriously.
"EMT 10 Codes" by MsKityCat
Page 1 of 2
EMT 10 Codes
10-7 : Off Duty
10-17: On My Way
10-4 : Understood
10-23: I have arrived
10-7: Off Duty
10-8: In Service
10-22: Disregard last message
10-0: Use Caution
10-52: [Location] EMT Needed
ยง
Page 2 of 2
10-10: Negative
10-9: Repeat Message
These are for EMTs or police but the police ones aren't on here.