| # | | Name | Source | Ver | Description |
| 1 | | Australian Indigenous Status | hl7.fhir.au.base#current | R4 | This extension applies to the Patient, Person, and RelatedPerson resources and is used to indicate whether a person identifies as being of Aboriginal or Torres Strait Islander origin. |
| 2 | | Individual Gender Identity | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | An individual's personal sense of being a man, woman, boy, girl, nonbinary, or something else. This represents an individual’s identity, ascertained by asking them what that identity is.
In the case where the gender identity is communicated by a third party, for example, if a spouse indicates the gender identity of their partner on an intake form, a Provenance resource can be used with a Provenance.target referring to the Patient, with a targetElement extension identifying the gender identity extension as the target element within the Patient resource. When exchanging this concept, refer to the guidance in the [Gender Harmony Implementation Guide](http://hl7.org/xprod/ig/uv/gender-harmony/). |
| 3 | | Individual Pronouns | hl7.fhir.au.base#current | R4 | The pronouns to use when referring to an individual in verbal or written communication.
This extension is published in this guide to pre-adopt an extension published in the R5 [FHIR Extensions Pack](http://hl7.org/fhir/extensions/StructureDefinition-individual-pronouns.html). |
| 4 | | no-basis-person-citizenship | hl7.fhir.no.basis#2.1.2 | R4 | The Person's legal status as citizen of a country. |
| 5 | | no-basis-urban-district | hl7.fhir.no.basis#2.1.2 | R4 | Simple extension containing information about what part of a norwegian city the patient is a resident. Administrative purpose. |
| 6 | | Patient Proficiency | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Proficiency level of the communication. |
| 7 | | Person Recorded Sex Or Gender | hl7.fhir.au.base#current | R4 | Recorded sex or gender (RSG) information includes the various sex and gender concepts that are often used in existing systems but are known NOT to represent a gender identity, sex parameter for clinical use, or attributes related to sexuality, such as sexual orientation, sexual activity, or sexual attraction. Examples of recorded sex or gender concepts include administrative gender, administrative sex, and sex assigned at birth. When exchanging this concept, refer to the guidance in the [Gender Harmony Implementation Guide](http://hl7.org/xprod/ig/uv/gender-harmony/).
This extension is published in this guide to pre-adopt an extension published in the R5 [FHIR Extensions Pack](http://hl7.org/fhir/extensions/StructureDefinition-individual-recordedSexOrGender.html). The only material difference is the data type for extension part sourceDocument (R5 CodeableReference to a choice between R4 CodeableConcept or Reference). |
| 8 | | Race Extension | hl7.eu.fhir.idea4rc#current | R4 | Concepts classifying the person into a named category of humans sharing common history, traits, geographical origin or nationality. Derived by the US core Race extensions. |
| 9 | | US Core Ethnicity Extension | hl7.fhir.us.core#current | R4 | Concepts classifying the person into a named category of humans sharing common history, traits, geographical origin or nationality. The ethnicity codes used to represent these concepts are based upon the [CDC ethnicity and Ethnicity Code Set Version 1.0](http://www.cdc.gov/phin/resources/vocabulary/index.html) which includes over 900 concepts for representing race and ethnicity of which 43 reference ethnicity. The ethnicity concepts are grouped by and pre-mapped to the 2 OMB ethnicity categories: - Hispanic or Latino - Not Hispanic or Latino. |
| 10 | | US Core Gender Identity Extension | hl7.fhir.us.core#current | R4 | This extension represents an individual's sense of being a man, woman, boy, girl, nonbinary, or something else, ascertained by asking them what that identity is. Systems requiring multiple gender identities and associated dates **SHOULD** use the FHIR R5 [genderIdentity extension](http://hl7.org/fhir/extensions/StructureDefinition-individual-genderIdentity.html). When future versions of US Core are based on FHIR R5, the FHIR R5 extension will supersede this extension. |
| 11 | | US Core Race Extension | hl7.fhir.us.core#current | R4 | Concepts classifying the person into a named category of humans sharing common history, traits, geographical origin or nationality. The race codes used to represent these concepts are based upon the [CDC Race and Ethnicity Code Set Version 1.0](http://www.cdc.gov/phin/resources/vocabulary/index.html#3) which includes over 900 concepts for representing race and ethnicity of which 921 reference race. The race concepts are grouped by and pre-mapped to the 5 OMB race categories:
- American Indian or Alaska Native
- Asian
- Black or African American
- Native Hawaiian or Other Pacific Islander
- White. |
| 12 | | US Core Tribal Affiliation Extension | hl7.fhir.us.core#current | R4 | This Extension profile represents a tribe or band with which a person associates and, optionally, whether they are enrolled. |
| 13 | | US Public Health Gender Identity Extension | hl7.fhir.us.ecr#current | R4 | An individual's personal sense of being a man, woman, boy, girl, nonbinary, or something else. This represents an individual’s identity, ascertained by asking them what that identity is. This is a copy of the draft FHIR individual-genderIdentity extension (http://hl7.org/fhir/StructureDefinition/individual-genderIdentity). |