Nordic Collaboration around NordDRG. NordDRG is a comprehensive descriptive tool portraying the health care provider activities and supporting to provide adequate information about health care production and and use of health care services. We maintain the NordDRG definition tables based on collaboration between Finland, Sweden, Norway, Denmark, Iceland, Estonia and Latvia by using a toolbox containing: - NordDRG Maintenance System (NDMS) - tool for Maintenance of Basic Classifications (MBC) - Nordic DRG Grouper - Standalone NDMS - NordDRG definition tables - NordDRG Forum