Release 5 Preview #1

This page is part of the FHIR Specification (v4.2.0: R5 Preview #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4

Searchparameter-filter

FHIR Infrastructure Work Group

Maturity Level: N/A

Standards Status: Informative

Compartments: Not linked to any defined compartments

This is the narrative for the resource. See also the XML, JSON or Turtle format. This example conforms to the profile SearchParameter.

Generated Narrative with Details

id: filter

url: http://hl7.org/fhir/SearchParameter/filter

version: 1

name: FilterSearchParameter

status: draft

experimental: false

date: 2018-07-26

publisher: Health Level Seven International (FHIR Infrastructure)

contact:

description: This is the formal declaration for the _filter parameter, documented at [http://hl7.org/fhir/search_filter.html](http://hl7.org/fhir/search_filter.html)

purpose: Support combination searches when the simple name=value basis of search cannot express what is required

code: _filter

base: Resource

type: special

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.