DocumentReferenceStatus
The status of the document reference.
This value set has an inline code system http://hl7.org/fhir/document-reference-status, which defines the following codes:
| Code | Display | Definition |
| current | Current | This is the current reference for this document. |
| superseded | Superseded | This reference has been superseded by another reference. |
| entered-in-error | Entered in Error | This reference was created in error. |