| EnrollmentRequest | 0..* | — | Enroll in coverage |
| .idΣ | 0..1 | String | Logical id of this artifact |
| .metaΣ | 0..1 | Meta | Metadata about the resource |
| .implicitRules?!Σ | 0..1 | uri | A set of rules under which this content was created |
| .language | 0..1 | code | Language of the resource content |
| .text | 0..1 | Narrative | Text summary of the resource, for human interpretation |
| .contained | 0..* | Resource | Contained, inline Resources |
| .extension | 0..* | Extension | Additional content defined by implementations |
| .modifierExtension?! | 0..* | Extension | Extensions that cannot be ignored |
| .identifier | 0..* | Identifier | Business Identifier |
| .status?!Σ | 0..1 | code | active | cancelled | draft | entered-in-error |
| .created | 0..1 | dateTime | Creation date |
| .insurer | 0..1 | Reference(Organization) | Target |
| .provider | 0..1 | Reference(Practitioner | PractitionerRole | Organization) | Responsible practitioner |
| .candidate | 0..1 | Reference(Patient) | The subject to be enrolled |
| .coverage | 0..1 | Reference(Coverage) | Insurance information |