| # | | Name | Source | Ver | Description |
| 1 | | Act Location | hl7.eu.fhir.pcsp#current | R4 | This extension provides a means to indicate where an act was, is or it is intended to take place. |
| 2 | | Act Location | hl7.eu.fhir.idea4rc#current | R4 | This extension provides a means to indicate where an act was, is or it is intended to take place. |
| 3 | | Artifact Approval Date | hl7.fhir.uv.crmi#current | R4 | When the artifact was approved by publisher. |
| 4 | | Artifact Effective Period | hl7.fhir.uv.crmi#current | R4 | When the artifact is expected to be used. |
| 5 | | Artifact Last Review Date | hl7.fhir.uv.crmi#current | R4 | When the artifact was last reviewed by the publisher. |
| 6 | | Artifact Release Description | hl7.fhir.uv.crmi#current | R4 | Release notes for a release of an artifact. |
| 7 | | Artifact Release Label | hl7.fhir.uv.crmi#current | R4 | A human-friendly release label assigned for the version. |
| 8 | | Artifact Usage | hl7.fhir.uv.crmi#current | R4 | Describes the clinical usage of the artifact. |
| 9 | | Artifact Version Policy | hl7.fhir.uv.crmi#current | R4 | Describes the versioning policy of the artifact. |
| 10 | | Associated Healthcare Service | hl7.fhir.au.base#current | R4 | This extension applies to any resource and is used to represent a healthcare service relating to a resource, e.g. healthcare services under which the patient was managed during an encounter. |
| 11 | | Author as a RelatedPerson | hl7.fhir.au.base#current | R4 | This extension applies to any resource and is used to represent an author who is a related person. |
| 12 | | BeExtRecorder | hl7.fhir.be.core#current | R4 | The recorder of the information - note that this may not always be the same as the asserter - when a patient reports to a nurse and the nurse enters the data, the asserter is the patient, but the recorder is the nurse |
| 13 | | BeInformParty | hl7.fhir.be.referral#current | R4 | Extra parties that need to be informed of the outcome, besides the prescriber. |
| 14 | | Classifier of Security Label | hl7.fhir.uv.security-label-ds4p#current | R4 | The entity responsible for assigning the security label. |
| 15 | | CMI Logic Definition | hl7.fhir.uv.cmi#current | R4 | Defines a logic definition used by the artifact. |
| 16 | | CMI Software System | hl7.fhir.uv.cmi#current | R4 | Specifies the software systems used in the packaging and testing of measure and library resources. Specifically to know which version of what software was used. |
| 17 | | CQFM Logic Definition | hl7.fhir.us.cqfmeasures#current | R4 | Defines a logic definition used by the measure. |
| 18 | | CQFM Software System | hl7.fhir.us.cqfmeasures#current | R4 | Specifies the software systems used in the packaging and testing of measure and library resources. Specifically to know which version of what software was used. |
| 19 | | CRMI Software System | hl7.fhir.uv.crmi#current | R4 | Specifies the software systems used in the packaging and testing of knowledge artifacts. Specifically to support explicitly stating which versions of the various software components were used in the authoring, packaging, and testing. |
| 20 | | Data Date-Roller Extension | fhir.cdc.opioid-cds-r4#current | R4 | Declares the DateLastUpdated and Frequency arguments to be used by the Data Date Roller for maintaining/rolling test data dates to keep them from going stale. |
| 21 | | Definition Term | hl7.fhir.uv.crmi#current | R4 | Specifies a term and its associated definition. |
| 22 | | Display | hl7.fhir.uv.security-label-ds4p#current | R4 | Specifies that a marking should be displayed when the resource is rendered in print or in electronic form. |
| 23 | | Messages | hl7.fhir.uv.crmi#current | R4 | An OperationOutcome that contains any information, warning, and/or error messages that were generated while processing an operation such as $evaluate or $prepopulate. |
| 24 | | Patient Sex Parameter For Clinical Use | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | A Sex Parameter for Clinical Use is a parameter that provides guidance on how a recipient should apply settings or reference ranges that are derived from observable information such as an organ inventory, recent hormone lab tests, genetic testing, menstrual status, obstetric history, etc.. This property is intended for use in clinical decision making, and indicates that treatment or diagnostic tests should consider best practices associated with the relevant reference population. When exchanging these concepts, refer to the guidance in the [Gender Harmony Implementation Guide](http://hl7.org/xprod/ig/uv/gender-harmony/). |
| 25 | | QICore Do Not Perform Reason | hl7.fhir.us.qicore#current | R4 | Indicates the reason the event was not performed. |
| 26 | | QICore Not Done Reason | hl7.fhir.us.qicore#current | R4 | Indicates the reason the event was not done. |
| 27 | | QICore Not Done Recorded | hl7.fhir.us.qicore#current | R4 | Captures the recorded date of the event. |
| 28 | | Related Artifacts to the Security Label | hl7.fhir.uv.security-label-ds4p#current | R4 | Related artifacts to the security label (e.g., consent or provenance). |
| 29 | | Resource Derivation Reference | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | References a location within a set of source text from which the discrete information described by this Resource/Element was extracted. |
| 30 | | Resource instance description | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | A natural language description for non-conformance and non-terminology resource instances that is represented in the resource for publication use. |
| 31 | | Resource instance name | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | A natural language name for non-conformance and non-terminology resource instances that is represented in the resource for publication use. |
| 32 | | Resource Satifies Requirement | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | References a requirement that this element satisfies. |
| 33 | | Scope | hl7.fhir.uv.crmi#current | R4 | Defines the scope of an artifact as a string of the form {namespace-name}[@{namespace-uri}]. Namespace name shall be a valid NPM package id, and namespace uri shall be a valid uri. For FHIR implementation guides, scope is inferred using the package id and the base canonical. e.g. fhir.cqf.common@http://fhir.org/guides/cqf/common. This extension can be used on Implementation Guides, Libraries, on any knowledge artifact, to declare the scope of the artifact. In the absence of an explicit scope declaration, the scope of an artifact is inferred based on the IG in which the artifact is defined. |
| 34 | | ServiceRequest Pertains To Goal | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Indicates that the resource is related to either the measurement, achievement or progress towards the referenced goal. For example, a Procedure to exercise pertainsToGoal of losing weight. |
| 35 | | StructureDefinition FMM Level | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The FMM level assigned to the artifact. |
| 36 | | The Basis for Security Label | hl7.fhir.uv.security-label-ds4p#current | R4 | Specifies the basis (e.g., policy, regulation, etc.) for assigning the security label. |