Release 5 Draft Ballot

This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions


FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: InformativeCompartments: 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

Resource "filter"


version: 1

name: FilterSearchParameter

status: draft

experimental: false

date: 2018-07-26

publisher: Health Level Seven International (FHIR Infrastructure)

contact: FHIR Project:

description: This is the formal declaration for the _filter parameter, documented at [](

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.