| # | Name | Source | Ver | Description | |
| 1 | Based on | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | A plan, proposal or order that is fulfilled in whole or in part by this event. | |
| 2 | Change Pattern R5 backport | hl7.fhir.us.mcc#current | R4 | Change in the status/pattern of a subject's condition since previously assessed, such as worsening, improving, or no change. It is a subjective assessment of the direction of the change. | |
| 3 | CPG Impression For Extension | hl7.fhir.uv.cpg#current | R4 | Specifies a case (episode of care) which this clinical impression is for. | |
| 4 | Episode of care | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Identifies the episode(s) of care that this resource is relevant to. Establishes the EpisodeOfCare as a 'grouper' of resources that are relevant to that episode. | |
| 5 | HL7 v2 Message | nz.central.ihub.ig#current | R4 | Base64 encoded string containing the original HL7 v2 message that was used to create / update the FHIR resource | |
| 6 | NZ Central Region Mental Health | nz.central.ihub.ig#current | R4 | Complex extension recording meta data about patient's mental health, particularly legal status | |
| 7 | Release date | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Indicates the date on which request or event resource that has a status of 'on-hold' or 'suspended' should be moved back to an active state. |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| Extension | C D | D | D | C D | D | D | C D |
| Extension.id | C | ||||||
| Extension.valueCodeableConcept | C | ||||||
| Extension.extension | C | C | C | C | S C D (18) | C | |
| Extension.extension.value[x] | C B M (17) | ||||||
| Extension.extension.value[x].userSelected | C (5) | ||||||
| Extension.extension.value[x].version | C (5) | ||||||
| Extension.extension.value[x].extension | C (5) | ||||||
| Extension.extension.value[x].id | C (5) | ||||||
| Extension.extension.url | F (17) | ||||||
| Extension.extension.extension | C (17) | ||||||
| Extension.extension.id | C (17) | ||||||
| Extension.url | F | F | F | F | F | F | F |
| Extension.value[x] | C | S C | C | C | C |
Produced 08 Sep 2023