FHIR Extensions Pack v5.3.0-ballot-tc1 (2025-08-04)

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.3.0-ballot-tc1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

2.1.28.8 Datatypes - Extensions

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: InformativeSecurity Category: N/A Compartments: N/A

Contents:

Primitive Datatypes

Identity Card. Type Context WG Status Δ v5.2.0
Extensions defined on primitive types
alternate-canonical 0..1 url canonical fhir Trial-Use : FMM2 icon Changed:
alternate-codes 0..* CodeableConcept code , string , Coding fhir Experimental
Draft : FMM1 		n/c
artifact-uriReference 0..* uri Reference , canonical cds Trial-Use : FMM1 n/c
cqf-resourceType 0..1 code canonical cds Trial-Use : FMM1 n/c
datatype-short-string 0..1 string string , markdown fhir Trial-Use : FMM1 icon Added:
display 0..1 string canonical fhir Trial-Use : FMM3 n/c
iso21090-SC-coding 0..* Coding string fhir Deprecated : FMM1 n/c
iso21090-codedString 0..* Coding string fhir Trial-Use : FMM2 icon Changed:
language 0..1 code HumanName , Address , Annotation , string , markdown fhir Trial-Use : FMM3 icon Changed:
largeValue 0..1 decimal integer fhir Trial-Use : FMM2 icon Changed:
narrative-language-control 0..1 code Reference , canonical fhir Trial-Use : FMM2 icon Added:
quantity-precision 0..1 integer decimal fhir Trial-Use : FMM3 n/c
referencesContained 0..* Reference markdown , string , Narrative , Expression fhir Trial-Use : FMM2 icon Changed:
relative-date 0..1 (complex) date , dateTime fhir Trial-Use : FMM3 icon Changed:
rendered-value 0..1 string Identifier.value , date , dateTime , time , instant , integer , decimal , string ,
code 		fhir Trial-Use : FMM3 n/c
rendering-markdown 0..1 markdown string fhir Trial-Use : FMM3 n/c
rendering-xhtml 0..1 string string fhir Trial-Use : FMM3 icon Changed:
resolve-as-version-specific 0..1 boolean Reference , uri , url fhir Trial-Use : FMM2 icon Changed:
targetElement 0..* uri Reference , canonical fhir Trial-Use : FMM2 icon Changed:
targetPath 0..* string Reference , canonical fhir Trial-Use : FMM2 icon Changed:
time-precision 0..1 code instant , dateTime , time fhir Trial-Use : FMM1 icon Added:
timezone 0..1 code date , dateTime , instant , Meta , time fhir Trial-Use : FMM2 icon Changed:
timing-uncertainDate 0..1 Period dateTime fhir Deprecated : FMM2 n/c
translation 0..* (complex) string , markdown , code fhir Trial-Use : FMM3 icon Changed:
tz-code 0..1 code date , dateTime , instant fhir Deprecated : FMM1 n/c
tz-offset 0..1 string date fhir Trial-Use : FMM3 n/c
uncertainPeriod 0..1 Period date , dateTime fhir Experimental
Draft : FMM1 		n/c

29 Extensions

Attachment

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the Attachment data type

2 Extensions

Coding

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the Coding data type
alternate-codes 0..* CodeableConcept code , string , Coding fhir Experimental
Draft : FMM1 		n/c
coding-conformance 0..* canonical Coding fhir Trial-Use : FMM2 icon Changed:
coding-purpose 0..* Coding Coding fhir Draft : FMM1 icon Changed:
coding-sctdescid 0..1 id Coding , CodeSystem.concept.display , CodeSystem.concept.designation ,
ValueSet.expansion.contains.display , ValueSet.expansion.contains.designation 		fhir Trial-Use : FMM3 n/c
itemWeight 0..1 decimal Coding , Questionnaire.item.answerOption , QuestionnaireResponse.item.answer.value fhir Trial-Use : FMM2 icon Changed:
ordinalValue 0..1 decimal Coding , Questionnaire.item.answerOption , CodeSystem.concept , ValueSet.compose.include.concept fhir Deprecated : FMM1 n/c
valueset-reference 0..1 uri Coding vocab Trial-Use : FMM3 n/c

9 Extensions

CodeableConcept

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the CodeableConcept data type
codeOptions 0..1 canonical CodeableConcept fhir Trial-Use : FMM1 icon Changed:
cqf-notDoneValueSet 0..1 canonical CodeableConcept cds Trial-Use : FMM3 n/c

4 Extensions

Quantity

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the Quantity data type
extension-quantity-translation 0..* Quantity Quantity fhir Trial-Use : FMM2 icon Changed:
iso21090-PQ-translation 0..* Quantity Quantity fhir Deprecated : FMM1 n/c
iso21090-uncertainty 0..1 decimal Quantity fhir Trial-Use : FMM3 n/c
iso21090-uncertaintyType 0..1 code Quantity fhir Trial-Use : FMM3 n/c

6 Extensions

Money

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the Money data type

2 Extensions

Range

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the Range data type

2 Extensions

Ratio

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the Ratio data type

2 Extensions

RatioRange

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Trial Use

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the RatioRange data type

2 Extensions

Period

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the Period data type
artifact-periodDuration 0..1 Duration Period cds Trial-Use : FMM2 n/c

3 Extensions

SampledData

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Trial Use

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the SampledData data type

2 Extensions

Identifier

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the Identifier data type
identifier-checkDigit 0..1 string Identifier fhir Trial-Use : FMM2 icon Changed:
identifier-jurisdiction 0..* CodeableConcept Identifier fhir Trial-Use : FMM1 icon Added:
identifier-validDate 0..* dateTime Identifier fhir Trial-Use : FMM3 n/c
rendered-value 0..1 string Identifier.value , date , dateTime , time , instant , integer , decimal , string ,
code 		fhir Trial-Use : FMM3 n/c

6 Extensions

HumanName

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the HumanName data type
humanname-assembly-order 0..1 code HumanName fhir Trial-Use : FMM3 n/c
humanname-fathers-family 0..* string HumanName.family fhir Trial-Use : FMM3 n/c
humanname-mothers-family 0..* string HumanName.family fhir Trial-Use : FMM3 n/c
humanname-own-name 0..1 string HumanName.family fhir Trial-Use : FMM3 n/c
humanname-own-prefix 0..1 string HumanName.family fhir Trial-Use : FMM3 n/c
humanname-partner-name 0..1 string HumanName.family fhir Trial-Use : FMM3 n/c
humanname-partner-prefix 0..1 string HumanName.family fhir Trial-Use : FMM3 n/c
iso21090-EN-qualifier 0..* code HumanName.family , HumanName.given , HumanName.prefix , HumanName.suffix fhir Trial-Use : FMM3 n/c
iso21090-EN-representation 0..1 code HumanName fhir Trial-Use : FMM3 n/c
iso21090-EN-use 0..1 code HumanName fhir Trial-Use : FMM3 n/c
language 0..1 code HumanName , Address , Annotation , string , markdown fhir Trial-Use : FMM3 icon Changed:

13 Extensions

Address

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the Address data type
address-official 0..* (Choice) Address fhir Trial-Use : FMM2 --
confidential 0..* (Choice) Address , ContactPoint fhir Deprecated : FMM1 icon Changed:
extended-contact-availability 0..1 Availability ExtendedContactDetail , ContactDetail , Address pa Trial-Use : FMM2 icon Changed:
geolocation 0..1 (complex) Address fhir Trial-Use : FMM3 icon Changed:
iso21090-AD-use 0..1 code Address fhir Trial-Use : FMM3 n/c
iso21090-ADXP-additionalLocator 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-buildingNumberSuffix 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-careOf 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-censusTract 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-delimiter 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-deliveryAddressLine 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-deliveryInstallationArea 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-deliveryInstallationQualifier 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-deliveryInstallationType 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-deliveryMode 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-deliveryModeIdentifier 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-direction 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-houseNumber 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-houseNumberNumeric 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-postBox 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-precinct 0..* string Address fhir Trial-Use : FMM3 n/c
iso21090-ADXP-streetAddressLine 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-streetName 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-streetNameBase 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-streetNameType 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-unitID 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-ADXP-unitType 0..* string Address.line fhir Trial-Use : FMM3 n/c
iso21090-preferred 0..1 boolean Address , ContactPoint , ExtendedContactDetail fhir Deprecated : FMM3 n/c
language 0..1 code HumanName , Address , Annotation , string , markdown fhir Trial-Use : FMM3 icon Changed:
no-fixed-address 0..1 boolean Address fhir Trial-Use : FMM2 --

32 Extensions

ContactPoint

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the ContactPoint data type
confidential 0..* (Choice) Address , ContactPoint fhir Deprecated : FMM1 icon Changed:
contactpoint-area 0..1 string ContactPoint.value fhir Trial-Use : FMM3 n/c
contactpoint-comment 0..1 string ContactPoint , ExtendedContactDetail fhir Trial-Use : FMM2 icon Changed:
contactpoint-country 0..1 string ContactPoint.value fhir Trial-Use : FMM3 n/c
contactpoint-extension 0..1 string ContactPoint.value fhir Trial-Use : FMM3 n/c
contactpoint-local 0..1 string ContactPoint.value fhir Trial-Use : FMM3 n/c
contactpoint-multiple-use 0..* M code ContactPoint fhir Trial-Use : FMM1 icon Added:
contactpoint-purpose 0..1 CodeableConcept ContactPoint fhir Trial-Use : FMM1 icon Changed:
iso21090-TEL-address 0..1 url ContactPoint fhir Trial-Use : FMM3 n/c
iso21090-preferred 0..1 boolean Address , ContactPoint , ExtendedContactDetail fhir Deprecated : FMM3 n/c

12 Extensions

Timing

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on BackboneType
Extensions defined for the Timing data type
timing-dayOfMonth 0..* positiveInt Timing.repeat fhir Trial-Use : FMM3 n/c
timing-exact 0..1 boolean Timing.repeat fhir Trial-Use : FMM3 n/c

4 Extensions

Signature

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Trial Use

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
None found ​
(See also Extensions defined on DataType
Extensions defined for the Signature data type

2 Extensions

Annotation

FHIR Infrastructure Work GroupMaturity Level: 5Standards Status: Normative

See also Base Definition, Examples, Detailed Descriptions, Mappings, Profiles, Extensions and R4 Conversions

Identity Card. Type Context WG Status Δ v5.2.0
​
(See also Extensions defined on DataType
Extensions defined for the Annotation data type
annotationType 0..* CodeableConcept Annotation fhir Trial-Use : FMM1 icon Changed:
language 0..1 code HumanName , Address , Annotation , string , markdown fhir Trial-Use : FMM3 icon Changed:

4 Extensions