National Directory of Healthcare Providers & Services (NDH) Implementation Guide
2.0.0 - draft United States of America flag

National Directory of Healthcare Providers & Services (NDH) Implementation Guide, published by HL7 International / Patient Administration. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-us-ndh/ and changes regularly. See the Directory of published versions

Extension: NDH usage restriction fhir path

Official URL: http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath Version: 2.0.0
Standards status: Trial-use Computable Name: RestrictFhirPath

NDH usage restriction to resource element level

Context of Use

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

Usage info

Usages:

Formal Views of Extension Content

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

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH usage restriction fhir path
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath"
... value[x] 1..1 Expression Value of extension
.... language 1..1 code text/cql | text/fhirpath | application/x-fhir-query | etc.
Required Pattern: text/fhirpath

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH usage restriction fhir path
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath"
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... description Σ 0..1 string Natural language description of the condition
.... name Σ 0..1 id Short name assigned to expression for reuse
.... language Σ 1..1 code text/cql | text/fhirpath | application/x-fhir-query | etc.
Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional BindingsPurpose
http://www.rfc-editor.org/bcp/bcp13.txt Max Binding

Required Pattern: text/fhirpath
.... expression Σ 0..1 string Expression in specified language
.... reference Σ 0..1 uri Where the expression is found

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Expression: NDH usage restriction to resource element level

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH usage restriction fhir path
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath"
... value[x] 1..1 Expression Value of extension
.... language 1..1 code text/cql | text/fhirpath | application/x-fhir-query | etc.
Required Pattern: text/fhirpath

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH usage restriction fhir path
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath"
.... id 0..1 string Unique id for inter-element referencing
.... extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... description Σ 0..1 string Natural language description of the condition
.... name Σ 0..1 id Short name assigned to expression for reuse
.... language Σ 1..1 code text/cql | text/fhirpath | application/x-fhir-query | etc.
Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional BindingsPurpose
http://www.rfc-editor.org/bcp/bcp13.txt Max Binding

Required Pattern: text/fhirpath
.... expression Σ 0..1 string Expression in specified language
.... reference Σ 0..1 uri Where the expression is found

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Expression: NDH usage restriction to resource element level

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSet / CodeURI
Extension.value[x].languageextensiblePattern Value: text/fhirpath
http://hl7.org/fhir/ValueSet/expression-language
From the FHIR Standard
Additional Bindings Purpose
http://www.rfc-editor.org/bcp/bcp13.txt Max Binding

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()