This is the set of resources that conform to either of the profiles Placeholder for IHE MHD Entry UUID Identifier in FHIR R5. (http://hl7.eu/fhir/imaging-r5/StructureDefinition/IheMhdEntryUUIDIdentifier) and Identifier: IHE-MHD Entry UUID (http://hl7.eu/fhir/imaging-r5/StructureDefinition/IheMhdEntryUUIDIdentifier). E.g. what you have to deal with if you get resources conforming to one of them
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Identifier | C | 0..* | An identifier intended for computation Constraints: ident-1 | |
  extension | 0..* | Extension | Additional content defined by implementations | |
 use | ?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: ?? (required): Identifies the purpose for this identifier, if known . |
 type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: ?? (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. |
| system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient |
| value | Σ | 0..1 | string | The value that is unique Example General: 123456 |
| period | Σ | 0..1 | Period | Time period when id is/was valid for use |
  assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) |
| Documentation for this format | ||||