| 01 | Late Notice to Carrier |
| 02 | Disputed Compensability |
| C1 | Coverage Lack of Information |
| D1 | Dispute Concerning Coverage |
| D2 | Dispute Concerning Compensability in Whole |
| D3 | Dispute Concerning Compensability in Part |
| D4 | Dispute Concerning Disability in Whole |
| D5 | Dispute Concerning Disability in Part |
| D6 | Dispute Concerning Impairment |
| E1 | Wrongful Determination of No Coverage |
| E2 | Error(s) from Employer |
| E3 | Error(s) from Employee |
| E4 | Error(s) from State |
| E5 | Error(s) from Health Care Provider |
| E6 | Error(s) from Other Claim Administrator, Independent Adjuster or Third Party Administrator |
| L1 | Late No Excuse |
| L2 | Late Notification, Employer |
| L3 | Late Notification, Employee |
| L4 | Late Notification, State |
| L5 | Late Notification, Health Care Provider |
| L6 | Late Notification, Assigned Risk |
| L7 | Late Investigation |
| L8 | Technical Processing Delay or Computer Failure |
| L9 | Manual Processing Delay |
| LA | Intermittent Lost Time Prior to First Payment |