External Code Lists

Codes and associated descriptions established, maintained, and published by X12. The first column is an X12-assigned identifier. Click on a code list name to display a description of that code list.

139  Claim Adjustment Reason Code
507  Health Care Claim Status Category Code
508  Health Care Claim Status Code
886  Health Care Service Review Decision Reason Codes
958  Service Type
967  Provider Adjustment Reason Code
973  Insurance Industry Specific Remark Codes
974  Claim Adjustment Group Codes
977  Error Reason Code
979  Insurance Product Code
981  Service Type Descriptor