Swedish Police Radio Codes:

CodeMeaning
10-1Emergency! The officer needs immediate assistance.
10-2An officer requested backup.
10-3All units, stand by.
10-4Acknowledged, message received.
10-5Arrived at the scene.
10-6Busy on another task; unable to respond immediately.
10-7Out of service, not available.
10-8Available for new tasks.
10-9Repeat message.
10-10Negative response or no further action.
10-11Request for a vehicle registration check.
10-12Requesting driver’s license check.
10-13Armed incident in progress.
10-15Taking the suspect into custody.
10-16Domestic dispute in progress.
10-17Assault in progress.
10-18Burglary, breaking, and entering.
10-19Narcotics-related incident.
10-20Reporting location.