New Zealand Rheumatic Fever FHIR Implementation Guide
1.0.0 - draft

New Zealand Rheumatic Fever FHIR Implementation Guide - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Extension: Severity of rheumatic heart disease

Official URL: https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-condition-rhdseverity Version: 1.0.0
Draft as of 2025-08-25 Computable Name: RfConditionRhdSeverityExtension

Severity of rheumatic heart disease determines the severity of a patient's rheumatic fever condition.

Context of Use

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

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

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 Severity of rheumatic heart disease
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-condition-rhdseverity"
... value[x] 0..1 Coding Value of extension
Binding: Rheumatic heart disease severity codes (required)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Severity of rheumatic heart disease
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-condition-rhdseverity"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Coding: Severity of rheumatic heart disease determines the severity of a patient's rheumatic fever condition.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Severity of rheumatic heart disease
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-condition-rhdseverity"
... value[x] 0..1 Coding Value of extension
Binding: Rheumatic heart disease severity codes (required)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Severity of rheumatic heart disease
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "https://fhir-ig.digital.health.nz/rheumatic-fever/StructureDefinition/rf-condition-rhdseverity"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Coding: Severity of rheumatic heart disease determines the severity of a patient's rheumatic fever condition.

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSetURI
Extension.value[x]requiredRFConditionRHDSeverityValueSet
https://fhir-ig.digital.health.nz/rheumatic-fever/ValueSet/rf-condition-rhdseverity-code
From this IG

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()