The criminal offense codes provided are currently being used in MassCourts, the Trial Court's case management system. It's currently operating at most divisions of the District Court, Boston Municipal Court (BMC), and Juvenile Court Departments.
MassCourts codes
The link below goes to a compressed zip file that has 2 CSV files of offense codes as well as a third file with a description of the offense code data files. There is also contact information in the third file if you need help.
This offense code information has been posted for law enforcement agencies that want to incorporate these codes into their own record management systems. This information will be updated periodically as required by statutory changes and system modifications. The offense code data is provided as it's stored in MassCourts. As progress continues with the development of the Massachusetts Integrated Criminal Justice System, the storage format and distribution method for offense code data is likely to change.