| # | Name | Source | Ver | Description | |
| 1 | ConceptMap Bi-directional | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Set to true if the concept map can be safely intepreted in reversse. | |
| 2 | Related artifact | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Documents the 'knowledge artifacts' relevant to the base resource such as citations, supporting evidence, documentation of processes, caveats around testing methodology. | |
| 3 | RelatedArtifact | hl7.fhir.uv.v2mappings#current | R4 | Related artifacts for a ConceptMap | |
| 4 | Replaces | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | This indicates a separate conformance resource instance that is superseded by the current instance. | |
| 5 | Resource Approval Date | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The date on which the asset content was approved by the publisher. Approval happens once when the content is officially approved for usage. | |
| 6 | Resource Effective Period | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The period during which the resource content was or is planned to be effective. | |
| 7 | Resource Last Review Date | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The date on which the asset content was last reviewed. Review happens periodically after that, but doesn't change the original approval date. | |
| 8 | Terminology Resource Identifier Metadata | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Additional metadata in identifier elements for terminology resources. | |
| 9 | TypeInfo | hl7.fhir.uv.v2mappings#current | R4 | Type information for conversion | |
| 10 | TypeInfo | hl7.fhir.uv.v2mappings#current | R4 | Type information for conversion |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 10 | |
| Extension | C D | C D | D | C D | C D | C D | C D | C D | D | D |
| Extension.extension | C | C | S C (5) | C | C | C | C | S C D (3) | S C (3) | S C (3) |
| Extension.extension.value[x] | C B M (4) | C (3) | (3) | (3) | ||||||
| Extension.extension.url | F (4) | F (3) | F (3) | F (3) | ||||||
| Extension.extension.extension | C (4) | C (3) | C (3) | C (3) | ||||||
| Extension.url | F | F | F | F | F | F | F | F | F | F |
| Extension.value[x] | C | C | C | C | C | C | C | C | C | C |
Produced 08 Sep 2023