Evidence Based Medicine on FHIR Implementation Guide
1.0.0-ballot2 - STU 1 ballot
Evidence Based Medicine on FHIR Implementation Guide
1.0.0-ballot2 - STU 1 ballot
Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions
| Official URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition | Version: 1.0.0-ballot2 | |||
| Standards status: Draft | Maturity Level: 1 | Computable Name: VariableDefinition | ||
| Other Identifiers: OID:2.16.840.1.113883.4.642.40.44.42.121 | ||||
Profile of EvidenceVariable for Evidence Based Medicine IG. The VariableDefinition Profile uses a CodeableReference Datatype to provide a concept (e.g. coding in a code system) and/or a reference to a Group Resource for structured data to define the variable.
See Understanding the EvidenceVariable Resource for additional information.
Usage:
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  EvidenceVariable |
C | 0..* | EvidenceVariable | A definition of an exposure, outcome, or other variable cnl-0: Name should be usable as an identifier for the module by machine processing applications such as code generation |
  implicitRules |
?!Σ | 0..1 | uri | A set of rules under which this content was created ele-1: All FHIR elements must have a @value or children |
| contained |
0..* | Resource | Contained, inline Resources | |
  Slices for extension |
0..* | Extension | Extension Slice: Unordered, Open by value:url ele-1: All FHIR elements must have a @value or children | |
   extension:citeAs |
0..1 | markdown | Citation for this Resource URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/cite-as ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:relatesTo |
0..* | (Complex) | Related artifact URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:RelatesToWithQuotation |
0..* | (Complex) | Related artifact with quoted portion URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to-with-quotation ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:classifier |
0..* | CodeableConcept | Classification URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-classifier ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:definitionModifier |
0..* | (Complex) | Modifier to value in definition URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition-modifier ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:handlingDetail |
0..* | CodeableConcept | How the variable is handled URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-handling-detail ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:conditional |
0..1 | Expression | When the variable is observed URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-conditional ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:dataStorage |
0..* | (Complex) | How and where the data element (value of the variable) is found URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-data-storage ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:timing |
0..1 | (Complex) | Timing in which the characteristic is determined or action is taken URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/characteristic-timing ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:period |
0..1 | Period | Date(s) and time(s) when the variable is observed URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-period ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:constraint |
0..* | (Complex) | Limit on acceptability of data value URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-constraint ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
| extension:missingDataMeaning |
0..* | CodeableConcept | How missing data is interpreted URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-missing-data ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
 extension:unacceptableDataHandling |
0..* | CodeableConcept | How erroneous data is processed URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-data-cleaning ele-1: All FHIR elements must have a @value or children ext-1: Must have either extensions or value[x], not both | |
 modifierExtension |
?!Σ | 0..* | Extension | Extensions that cannot be ignored ele-1: All FHIR elements must have a @value or children |
| status |
?!Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact. ele-1: All FHIR elements must have a @value or children |
 handling |
1..1 | code | continuous | dichotomous | ordinal | polychotomous Binding: EvidenceVariableHandling (required) ele-1: All FHIR elements must have a @value or children | |
| Documentation for this format | ||||
| Path | Conformance | ValueSet | URI |
| EvidenceVariable.status | required | PublicationStatushttp://hl7.org/fhir/ValueSet/publication-status|6.0.0-ballot2from the FHIR Standard | |
| EvidenceVariable.handling | required | EvidenceVariableHandlinghttp://hl7.org/fhir/ValueSet/variable-handling|6.0.0-ballot2from the FHIR Standard |
| Id | Grade | Path(s) | Details | Requirements |
| cnl-0 | warning | EvidenceVariable | Name should be usable as an identifier for the module by machine processing applications such as code generation : name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$') | |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |
Other representations of profile: CSV, Excel, Schematron
IG © 2024+ HL7 International / Clinical Decision Support. Package hl7.fhir.uv.ebm#1.0.0-ballot2 based on FHIR 6.0.0-ballot2. Generated 2025-03-27
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