Table
| MessageHeader | 0..* | |
| MessageHeader.id | id | 0..1 |
| MessageHeader.meta | Meta | 0..1 |
| MessageHeader.implicitRules | uri | 0..1 |
| MessageHeader.language | code | 0..1 |
| MessageHeader.text | Narrative | 0..1 |
| MessageHeader.contained | Resource | 0..* |
| MessageHeader.extension | Extension | 0..* |
| MessageHeader.modifierExtension | Extension | 0..* |
| MessageHeader.event | Coding | 1..1 |
| MessageHeader.event.id | string | 0..1 |
| MessageHeader.event.extension | Extension | 0..* |
| MessageHeader.event.system | uri | 0..1 |
| MessageHeader.event.version | string | 0..1 |
| MessageHeader.event.code | code | 0..1 |
| MessageHeader.event.display | string | 0..1 |
| MessageHeader.event.userSelected | boolean | 0..1 |
| MessageHeader.destination | BackboneElement | 0..* |
| MessageHeader.destination.id | string | 0..1 |
| MessageHeader.destination.extension | Extension | 0..* |
| MessageHeader.destination.modifierExtension | Extension | 0..* |
| MessageHeader.destination.name | string | 0..1 |
| MessageHeader.destination.target | Reference(Device) | 0..1 |
| MessageHeader.destination.endpoint | uri | 1..1 |
| MessageHeader.receiver | Reference(Practitioner | Organization) | 0..1 |
| MessageHeader.sender | Reference(Practitioner | Organization) | 0..1 |
| MessageHeader.timestamp | instant | 1..1 |
| MessageHeader.enterer | Reference(Practitioner) | 0..1 |
| MessageHeader.author | Reference(Practitioner) | 0..1 |
| MessageHeader.source | BackboneElement | 1..1 |
| MessageHeader.source.id | string | 0..1 |
| MessageHeader.source.extension | Extension | 0..* |
| MessageHeader.source.modifierExtension | Extension | 0..* |
| MessageHeader.source.name | string | 0..1 |
| MessageHeader.source.software | string | 0..1 |
| MessageHeader.source.version | string | 0..1 |
| MessageHeader.source.contact | ContactPoint | 0..1 |
| MessageHeader.source.endpoint | uri | 1..1 |
| MessageHeader.responsible | Reference(Practitioner | Organization) | 0..1 |
| MessageHeader.reason | CodeableConcept | 0..1 |
| MessageHeader.response | BackboneElement | 0..1 |
| MessageHeader.response.id | string | 0..1 |
| MessageHeader.response.extension | Extension | 0..* |
| MessageHeader.response.modifierExtension | Extension | 0..* |
| MessageHeader.response.identifier | id | 1..1 |
| MessageHeader.response.code | code | 1..1 |
| MessageHeader.response.details | Reference(OperationOutcome) | 0..1 |
| MessageHeader.focus | Reference(Resource) | 0..* |