| Code | Description |
| 1 | Proof of Eligibility Unknown or Unavailable |
| 10 | Administration Delay in Prior Approval Process |
| 11 | Other |
| 15 | Natural Disaster |
| 16 | Lack of Information |
| 17 | No Response to Initial Request |
| 2 | Litigation |
| 3 | Authorization Delays |
| 4 | Delay in Certifying Provider |
| 7 | Third Party Processing Delay |
| 8 | Delay in Eligibility Determination |