FHIR Extensions Pack v5.3.0-ballot-tc1 (2025-08-03)

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

2.19 Extension Search Registry

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

Individual Gender Identity Parameter

Search based on individual's gender identity

age

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