FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5
0.0.1-snapshot-2 - informative
FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5
0.0.1-snapshot-2 - informative
FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5 - Version 0.0.1-snapshot-2. See the Directory of published versions
| Page standards status: Informative | Maturity Level: 0 |
Definitions for the ext-R5-ResearchStudy.comparisonGroup extension.
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | Describes an expected event or sequence of events for one of the subjects of a study. E.g. for a living subject: exposure to drug A, wash-out, exposure to drug B, wash-out, follow-up. E.g. for a stability study: {store sample from lot A at 25 degrees for 1 month}, {store sample from lot A at 40 degrees for 1 month}. |
| Short | Defined path through the study for a subject |
| Control | 0..* |
| 2. Extension.extension | |
| Control | 1..* |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and Closed, and can be differentiated using the following discriminators: |
| 4. Extension.extension:linkId | |
| Slice Name | linkId |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.linkId from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easily |
| Control | 0..1 |
| 6. Extension.extension:linkId.url | |
| Control | 1..1 |
| Fixed Value | linkId |
| 8. Extension.extension:linkId.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.linkId from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easily |
| Type | id |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| 10. Extension.extension:name | |
| Slice Name | name |
| Definition | Unique, human-readable label for this comparisonGroup of the study. |
| Short | Label for study comparisonGroup |
| Control | 1..1 |
| 12. Extension.extension:name.url | |
| Control | 1..1 |
| Fixed Value | name |
| 14. Extension.extension:name.value[x] | |
| Definition | Unique, human-readable label for this comparisonGroup of the study. |
| Short | Label for study comparisonGroup |
| Type | string |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| 16. Extension.extension:type | |
| Slice Name | type |
| Definition | Categorization of study comparisonGroup, e.g. experimental, active comparator, placebo comparater. |
| Short | Categorization of study comparisonGroup |
| Control | 0..1 |
| 18. Extension.extension:type.url | |
| Control | 1..1 |
| Fixed Value | type |
| 20. Extension.extension:type.value[x] | |
| Definition | Categorization of study comparisonGroup, e.g. experimental, active comparator, placebo comparater. |
| Short | Categorization of study comparisonGroup |
| Binding | Unless not suitable, these codes SHALL be taken from R5_research_study_arm_type_for_R4 (0.0.1-snapshot-2) (extensible to http://hl7.org/fhir/5.0/ValueSet/R5-research-study-arm-type-for-R4|0.0.1-snapshot-2)desc. |
| Type | CodeableConcept |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| 22. Extension.extension:description | |
| Slice Name | description |
| Definition | A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup. |
| Short | Short explanation of study path |
| Control | 0..1 |
| 24. Extension.extension:description.url | |
| Control | 1..1 |
| Fixed Value | description |
| 26. Extension.extension:description.value[x] | |
| Definition | A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup. |
| Short | Short explanation of study path |
| Type | markdown |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| 28. Extension.extension:intendedExposure | |
| Slice Name | intendedExposure |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.intendedExposure from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Interventions or exposures in this comparisonGroup or cohort |
| Control | 0..* |
| 30. Extension.extension:intendedExposure.url | |
| Control | 1..1 |
| Fixed Value | intendedExposure |
| 32. Extension.extension:intendedExposure.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.intendedExposure from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Interventions or exposures in this comparisonGroup or cohort |
| Type | Reference |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| 34. Extension.extension:observedGroup | |
| Slice Name | observedGroup |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.observedGroup from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Group of participants who were enrolled in study comparisonGroup |
| Control | 0..1 |
| 36. Extension.extension:observedGroup.url | |
| Control | 1..1 |
| Fixed Value | observedGroup |
| 38. Extension.extension:observedGroup.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.observedGroup from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Group of participants who were enrolled in study comparisonGroup |
| Type | Reference |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| 40. Extension.url | |
| Control | 1..1 |
| Fixed Value | http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup |
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | Describes an expected event or sequence of events for one of the subjects of a study. E.g. for a living subject: exposure to drug A, wash-out, exposure to drug B, wash-out, follow-up. E.g. for a stability study: {store sample from lot A at 25 degrees for 1 month}, {store sample from lot A at 40 degrees for 1 month}. Optional Extension Element - found in all resources. |
| Short | Defined path through the study for a subjectOptional Extensions Element |
| Control | 0..* This element is affected by the following invariants: ele-1 |
| Is Modifier | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 2. Extension.extension | |
| Definition | An Extension May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | ExtensionAdditional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 10..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and ClosedOpen, and can be differentiated using the following discriminators: |
| 4. Extension.extension:linkId | |
| Slice Name | linkId |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.linkId from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easilyAdditional content defined by implementations |
| Control | 0..1* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 6. Extension.extension:linkId.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | linkId |
| 8. Extension.extension:linkId.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.linkId from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easilyValue of extension |
| Control | 0..1 |
| Type | id, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 10. Extension.extension:name | |
| Slice Name | name |
| Definition | Unique, human-readable label for this comparisonGroup of the study. |
| Short | Label for study comparisonGroupAdditional content defined by implementations |
| Control | 10..1* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 12. Extension.extension:name.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | name |
| 14. Extension.extension:name.value[x] | |
| Definition | Unique, human-readable label for this comparisonGroup of the study. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Label for study comparisonGroupValue of extension |
| Control | 0..1 |
| Type | string, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 16. Extension.extension:type | |
| Slice Name | type |
| Definition | Categorization of study comparisonGroup, e.g. experimental, active comparator, placebo comparater. |
| Short | Categorization of study comparisonGroupAdditional content defined by implementations |
| Control | 0..1* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 18. Extension.extension:type.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | type |
| 20. Extension.extension:type.value[x] | |
| Definition | Categorization of study comparisonGroup, e.g. experimental, active comparator, placebo comparater. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Categorization of study comparisonGroupValue of extension |
| Control | 0..1 |
| Binding | Unless not suitable, these codes SHALL be taken from For codes, see R5_research_study_arm_type_for_R4 (0.0.1-snapshot-2) (extensible to http://hl7.org/fhir/5.0/ValueSet/R5-research-study-arm-type-for-R4|0.0.1-snapshot-2)desc. |
| Type | CodeableConcept, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 22. Extension.extension:description | |
| Slice Name | description |
| Definition | A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup. |
| Short | Short explanation of study pathAdditional content defined by implementations |
| Control | 0..1* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 24. Extension.extension:description.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | description |
| 26. Extension.extension:description.value[x] | |
| Definition | A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Short explanation of study pathValue of extension |
| Control | 0..1 |
| Type | markdown, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, Ratio, Age, Reference, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 28. Extension.extension:intendedExposure | |
| Slice Name | intendedExposure |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.intendedExposure from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Interventions or exposures in this comparisonGroup or cohortAdditional content defined by implementations |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 30. Extension.extension:intendedExposure.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | intendedExposure |
| 32. Extension.extension:intendedExposure.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.intendedExposure from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Interventions or exposures in this comparisonGroup or cohortValue of extension |
| Control | 0..1 |
| Type | Reference, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 34. Extension.extension:observedGroup | |
| Slice Name | observedGroup |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.observedGroup from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Group of participants who were enrolled in study comparisonGroupAdditional content defined by implementations |
| Control | 0..1* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists())ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 36. Extension.extension:observedGroup.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | observedGroup |
| 38. Extension.extension:observedGroup.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.observedGroup from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Group of participants who were enrolled in study comparisonGroupValue of extension |
| Control | 0..1 |
| Type | Reference, date, Meta, Address, Attachment, integer, Count, DataRequirement, Dosage, uuid, Identifier, Coding, SampledData, id, positiveInt, Distance, Period, Duration, canonical, Range, RelatedArtifact, base64Binary, UsageContext, Timing, decimal, CodeableConcept, ParameterDefinition, dateTime, code, string, Contributor, oid, instant, ContactPoint, HumanName, Money, markdown, Ratio, Age, TriggerDefinition, Quantity, uri, url, Annotation, ContactDetail, boolean, Expression, Signature, unsignedInt, time |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 40. Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup |
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | Describes an expected event or sequence of events for one of the subjects of a study. E.g. for a living subject: exposure to drug A, wash-out, exposure to drug B, wash-out, follow-up. E.g. for a stability study: {store sample from lot A at 25 degrees for 1 month}, {store sample from lot A at 40 degrees for 1 month}. |
| Short | Defined path through the study for a subject |
| Control | 0..* This element is affected by the following invariants: ele-1 |
| Is Modifier | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 2. Extension.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 4. Extension.extension | |
| Definition | An Extension |
| Short | Extension |
| Control | 1..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and Closed, and can be differentiated using the following discriminators: |
| 6. Extension.extension:linkId | |
| Slice Name | linkId |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.linkId from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easily |
| Control | 0..1 |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 8. Extension.extension:linkId.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 10. Extension.extension:linkId.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | Additional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 12. Extension.extension:linkId.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | linkId |
| 14. Extension.extension:linkId.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.linkId from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Allows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easily |
| Control | 0..1 |
| Type | id |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 16. Extension.extension:name | |
| Slice Name | name |
| Definition | Unique, human-readable label for this comparisonGroup of the study. |
| Short | Label for study comparisonGroup |
| Control | 1..1 |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 18. Extension.extension:name.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 20. Extension.extension:name.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | Additional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 22. Extension.extension:name.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | name |
| 24. Extension.extension:name.value[x] | |
| Definition | Unique, human-readable label for this comparisonGroup of the study. |
| Short | Label for study comparisonGroup |
| Control | 0..1 |
| Type | string |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 26. Extension.extension:type | |
| Slice Name | type |
| Definition | Categorization of study comparisonGroup, e.g. experimental, active comparator, placebo comparater. |
| Short | Categorization of study comparisonGroup |
| Control | 0..1 |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 28. Extension.extension:type.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 30. Extension.extension:type.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | Additional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 32. Extension.extension:type.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | type |
| 34. Extension.extension:type.value[x] | |
| Definition | Categorization of study comparisonGroup, e.g. experimental, active comparator, placebo comparater. |
| Short | Categorization of study comparisonGroup |
| Control | 0..1 |
| Binding | Unless not suitable, these codes SHALL be taken from R5_research_study_arm_type_for_R4 (0.0.1-snapshot-2) (extensible to http://hl7.org/fhir/5.0/ValueSet/R5-research-study-arm-type-for-R4|0.0.1-snapshot-2)desc. |
| Type | CodeableConcept |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 36. Extension.extension:description | |
| Slice Name | description |
| Definition | A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup. |
| Short | Short explanation of study path |
| Control | 0..1 |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 38. Extension.extension:description.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 40. Extension.extension:description.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | Additional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 42. Extension.extension:description.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | description |
| 44. Extension.extension:description.value[x] | |
| Definition | A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup. |
| Short | Short explanation of study path |
| Control | 0..1 |
| Type | markdown |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 46. Extension.extension:intendedExposure | |
| Slice Name | intendedExposure |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.intendedExposure from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Interventions or exposures in this comparisonGroup or cohort |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 48. Extension.extension:intendedExposure.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 50. Extension.extension:intendedExposure.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | Additional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 52. Extension.extension:intendedExposure.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | intendedExposure |
| 54. Extension.extension:intendedExposure.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.intendedExposure from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Interventions or exposures in this comparisonGroup or cohort |
| Control | 0..1 |
| Type | Reference |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 56. Extension.extension:observedGroup | |
| Slice Name | observedGroup |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.observedGroup from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Group of participants who were enrolled in study comparisonGroup |
| Control | 0..1 |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| 58. Extension.extension:observedGroup.id | |
| Definition | Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. |
| Short | Unique id for inter-element referencing |
| Control | 0..1 |
| Type | string |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| 60. Extension.extension:observedGroup.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. |
| Short | Additional content defined by implementations |
| Comments | There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. |
| Control | 0..* |
| Type | Extension |
| Is Modifier | false |
| Summary | false |
| Alternate Names | extensions, user content |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))ext-1: Must have either extensions or value[x], not both ( extension.exists() != value.exists()) |
| Slicing | This element introduces a set of slices on Extension.extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 62. Extension.extension:observedGroup.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | observedGroup |
| 64. Extension.extension:observedGroup.value[x] | |
| Definition | This cross-version extension represents ResearchStudy.comparisonGroup.observedGroup from http://hl7.org/fhir/StructureDefinition/ResearchStudy|5.0.0 for use in FHIR R4. |
| Short | Group of participants who were enrolled in study comparisonGroup |
| Control | 0..1 |
| Type | Reference |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
| 66. Extension.url | |
| Definition | Source of the definition for the extension code - a logical name or a URL. |
| Short | identifies the meaning of the extension |
| Comments | The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension. |
| Control | 1..1 |
| Type | uri |
| Is Modifier | false |
| XML Format | In the XML format, this property is represented as an attribute. |
| Summary | false |
| Fixed Value | http://hl7.org/fhir/5.0/StructureDefinition/extension-ResearchStudy.comparisonGroup |
| 68. Extension.value[x] | |
| Definition | Value of extension - must be one of a constrained set of the data types (see Extensibility for a list). |
| Short | Value of extension |
| Control | 0..1 |
| Type | Choice of: base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, Reference, SampledData, Signature, Timing, ContactDetail, Contributor, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Dosage, Meta |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
| Is Modifier | false |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| Summary | false |
| Invariants | ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count())) |
IG © 2025+ FHIR Infrastructure. Package hl7.fhir.uv.xver-r5.r4#0.0.1-snapshot-2 based on FHIR 4.0.1. Generated 2025-09-13
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