Extensions for Using Data Elements from FHIR R5 in FHIR STU3
0.1.0 - STU
Extensions for Using Data Elements from FHIR R5 in FHIR STU3
0.1.0 - STU
Extensions for Using Data Elements from FHIR R5 in FHIR STU3 - Downloaded Version null See the Directory of published versions
| Page standards status: Trial-use | Maturity Level: 0 |
Definitions for the ext-R5-ServiceRequest.code extension.
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | R5: Optional Extension Element - found in all resources. |
| Short | R5: What is being requested/ordered additional typesOptional Extensions Element |
| Comments | Element |
| Control | 0..1* 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() | (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() | (children().count() > id.count())) ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists()) |
| 2. 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 |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.code |
| 4. Extension.value[x] | |
| Definition | A code or reference that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list). |
| Short | What is being requested/orderedValue of extension |
| Comments | Many laboratory and radiology procedure codes embed the specimen/organ system in the test order name, for example, serum or serum/plasma glucose, or a chest x-ray. The specimen might not be recorded separately from the test code. |
| Control | 0..1 |
| Type | Reference(Cross-version Profile for R5.ActivityDefinition for use in FHIR STU3, ActivityDefinition, Cross-version Profile for R5.PlanDefinition for use in FHIR STU3, PlanDefinition), date, dateTime, Meta, code, string, Address, Attachment, integer, oid, Count, instant, ContactPoint, HumanName, Money, Identifier, Coding, markdown, SampledData, Ratio, id, positiveInt, Age, Distance, Period, Quantity, Duration, Range, uri, Annotation, boolean, base64Binary, Signature, unsignedInt, time, Timing, decimal, CodeableConcept |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | R5: |
| Short | R5: What is being requested/ordered additional types |
| Comments | Element |
| Control | 0..1 |
| Is Modifier | false |
| 2. Extension.url | |
| Control | 1..1 |
| Fixed Value | http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.code |
| 4. Extension.value[x] | |
| Definition | A code or reference that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. |
| Short | What is being requested/ordered |
| Comments | Many laboratory and radiology procedure codes embed the specimen/organ system in the test order name, for example, serum or serum/plasma glucose, or a chest x-ray. The specimen might not be recorded separately from the test code. |
| Control | 0..1 |
| Type | Reference(Cross-version Profile for R5.ActivityDefinition for use in FHIR STU3, ActivityDefinition, Cross-version Profile for R5.PlanDefinition for use in FHIR STU3, PlanDefinition), date, dateTime, Meta, code, string, Address, Attachment, integer, oid, Count, instant, ContactPoint, HumanName, Money, Identifier, Coding, markdown, SampledData, Ratio, id, positiveInt, Age, Distance, Period, Quantity, Duration, Range, uri, Annotation, boolean, base64Binary, Signature, unsignedInt, time, Timing, decimal, CodeableConcept |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
Guidance on how to interpret the contents of this table can be foundhere
| 0. Extension | |
| Definition | R5: |
| Short | R5: What is being requested/ordered additional types |
| Comments | Element |
| Control | 0..1 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() | (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 | xml:id (or equivalent in JSON) |
| Control | 0..1 |
| Type | string |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| 4. Extension.extension | |
| Definition | May be used to represent additional information that is not part of the basic definition of the element. In order 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 is allowed to 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 |
| Alternate Names | extensions, user content |
| Slicing | This element introduces a set of slices on Extension.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators: |
| 6. 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 |
| Primitive Value | This primitive element may be present, or absent, or replaced by an extension |
| XML Format | In the XML format, this property is represented as an attribute. |
| Fixed Value | http://hl7.org/fhir/5.0/StructureDefinition/extension-ServiceRequest.code |
| 8. Extension.value[x] | |
| Definition | A code or reference that identifies a particular service (i.e., procedure, diagnostic investigation, or panel of investigations) that have been requested. |
| Short | What is being requested/ordered |
| Comments | Many laboratory and radiology procedure codes embed the specimen/organ system in the test order name, for example, serum or serum/plasma glucose, or a chest x-ray. The specimen might not be recorded separately from the test code. |
| Control | 0..1 |
| Type | Reference(Cross-version Profile for R5.ActivityDefinition for use in FHIR STU3, ActivityDefinition, Cross-version Profile for R5.PlanDefinition for use in FHIR STU3, PlanDefinition) |
| [x] Note | SeeChoice of Data Typesfor further information about how to use [x] |
IG © 2025+ FHIR Infrastructure. Package hl7.fhir.uv.xver-r5.r3#0.1.0 based on FHIR 3.0.2. Generated 2026-03-20
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