US Public Health Profiles Library, published by HL7 Public Health Work Group (http://www.hl7.org/Special/committees/pher/index.cfm). This is not an authorized publication; it is the continuous build for version 0.0.1). This version is based on the current content of https://github.com/HL7/fhir-us-phpl/ and changes regularly. See the Directory of published versions

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Extension: US Public Health FHIR Query Pattern Extension

Official URL: http://hl7.org/fhir/us/ph-library/StructureDefinition/lib-copy-us-ph-fhirquerypattern-extension				Version: 0.0.1
Draft as of 2021-11-08				Computable Name: USPublicHealthFHIRQueryPatternExtension

Supports communicating the FHIR query for a given data requirement. The query is server-specific, and will need to be created as informed by a CapabilityStatement. The $data-requirements operation should be extended to be able to provide an Endpoint or CapabilityStatement to provide this information. If no endpoint or capability statement is provided, the capability statement of the server performing the operation is used. This is not a resolveable URL, and that it will contain 1) No base canonical (so it’s a relative query), and 2) Parameters using tokens that are denoted using double-braces and the context parameters are dependent solely on the subjectType, according to the following: Patient: context.patientId, Practitioner: context.practitionerId, Organization: context.organizationId, Location: context.locationId, Device: context.deviceId

Context of Use

This extension may be used on the following element(s):

• PlanDefinition.repeat(action).input

Usage info

Usage:

• This Extension is not used by any profiles in this Implementation Guide

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

 

Other representations of profile: CSV, Excel, Schematron

Constraints

Id	Grade	Path	Details	Requirements
ele-1	error	Extension	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	Extension	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	error	Extension.extension	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	Extension.extension	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	error	Extension.value[x]	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())