| Lvl | Code | Display | Definition |
| 1 | coverage-info | Coverage Information | Information related to the patient's coverage, including whether a service is covered, requires prior authorization, is approved without seeking prior authorization, and/or requires additional documentation or data collection |
| 2 | unsolicited-determ | Unsolicited Determination | An unsolicited approval of the service as having prior authorization requirements met without a formal submission of a prior authorization request |
| 2 | unsolicited-determ | Unsolicited Determination | An unsolicited approval of the service as having prior authorization requirements met without a formal submission of a prior authorization request |
| 1 | claim | Claim | Information about what steps need to be taken to submit a claim for the service |
| 1 | insurance | Insurance | Allows a provider to update the patient's coverage information with additional details from the payer (e.g. expiry date, coverage extensions) |
| 1 | limits | Limits | Messages warning about the patient approaching or exceeding their limits for a particular type of coverage or expiry date for coverage in general |
| 1 | network | Network | Providing information about in-network providers that could deliver the order (or in-network alternatives for an order directed out-of-network) |
| 1 | appropriate-use | Appropriate Use | Guidance on whether appropriate-use documentation is needed |
| 1 | cost | Cost | What is the anticipated cost to the patient based on their coverage |
| 1 | therapy-alternatives-opt | Optional Therapy Alternatives | Are there alternative therapies that have better coverage and/or are lower-cost for the patient |
| 1 | therapy-alternatives-req | Required Therapy Alternatives | Are there alternative therapies that must be tried first prior to coverage being available for the proposed therapy |
| 1 | clinical-reminder | Clinical Reminder | Reminders that a patient is due for certain screening or other therapy (based on payer recorded date of last intervention) |
| 1 | duplicate-therapy | Duplicate Therapy | Notice that the proposed intervention has already recently occurred with a different provider when that information isn't already available in the provider system |
| 1 | contraindication | Contraindication | Notice that the proposed intervention may be contraindicated based on information the payer has in their record that the provider doesn't have in theirs |
| 1 | guideline | Guideline | Indication that there is a guideline available for the proposed therapy (with an option to view) |
| 1 | off-guideline | Off Guideline | Notice that the proposed therapy may be contrary to best-practice guidelines, typically with an option to view the relevant guideline |