FHIR Extensions Pack v5.1.0-cibuild (2024-04-21)

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.1.0-cibuild 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

Page standards status: Informative

This page lists all search parameters associated with 'core' FHIR extensions. Also see the general search parameter registry of the search parameters defined on core resource elements.

CodeSystem author

Optional Extensions Element

CodeSystem effective

Optional Extensions Element

CodeSystem end

Optional Extensions Element

CodeSystem keyword

Optional Extensions Element

CodeSystem workflow

Optional Extensions Element


The donation identification number (DIN)


Searches for patients based on age as calculated based on current date and date of birth. Deceased patients are excluded from the search.

birth Order Boolean

Search based on whether a patient was part of a multiple birth or not.

mothers Maiden Name

Search based on patient's mother's maiden name

ValueSet author

Optional Extensions Element

ValueSet effective

Optional Extensions Element

ValueSet end

Optional Extensions Element

ValueSet keyword

Optional Extensions Element

ValueSet workflow

Optional Extensions Element

Barrier Code SearchParameter

SearchParameter for Barrier Extension with CodeableConcept value

Barrier Reference SearchParameter

SearchParameter for Barrier Extension with Reference value

Protective Factor Code SearchParameter

SearchParameter for Protective Factor Extension with CodeableConcept data type

Protective Factor Reference SearchParameter

SearchParameter for Protective Factor Extension with Reference data type

Research Study SearchParameter

SearchParameter for Research Study Extension