| 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 | 
| LB | Awaiting Wage Amount Verification |