Reference Constraints: ref-1
extension 
reference type Binding: ?? (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier 
display Documentation for this formatThis is the set of resources that conform to either of the profiles HRex Identifier Reference Profile (http://hl7.org/fhir/us/davinci-hrex/StructureDefinition/hrex-reference-id) and HRex Identifier Reference Profile (http://hl7.org/fhir/us/davinci-hrex/StructureDefinition/hrex-reference-id). E.g. what you have to deal with if you get resources conforming to one of them
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Reference | C | 0..* | A reference from one resource to another Constraints: ref-1 | |
| extension | 0..* | Extension | Additional content defined by implementations | |
| reference | Σ | 0..1 | string | Literal reference, Relative, internal or absolute URL |
| type | Σ | 0..1 | uri | Type the reference refers to (e.g. "Patient") Binding: ?? (extensible): Aa resource (or, for logical models, the URI of the logical model). |
| identifier | Σ | 1..1 | Identifier | Logical reference, when literal reference is not known |
| display | SΣ | 0..1 | string | Text alternative for the resource |
| Documentation for this format | ||||