Snapshot 3: Connectathon 32 Base

This is Snapshot #3 for FHIR R5, released to support Connectathon 32. For a full list of available versions, see the Directory of published versions.

Extension: Observation Delta

Orders and Observations Work Group Maturity Level: 1Trial UseUse Context: Any
Official URL: http://hl7.org/fhir/StructureDefinition/observation-delta Version: 5.0.0-snapshot3
draft as of 2015-03-02 Computable Name: ObsDelta
Flags: Non-Modifier OID: 2.16.840.1.113883.4.642.5.1477

Context of Use: Use on Element ID Observation

Definition

The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. ObsDelta0..1CodeableConceptURL = http://hl7.org/fhir/StructureDefinition/observation-delta
ObsDelta: The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.


Use on Element ID Observation

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/observation-delta
ObsDelta: The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.


Use on Element ID Observation
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/observation-delta"
... value[x] 1..1CodeableConceptValue of extension

doco Documentation for this format

XML Template

<!-- ObsDelta -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/observation-delta" >
  <!-- from Element: extension -->
 <valueCodeableConcept><!-- I 1..1 CodeableConcept Value of extension --></valueCodeableConcept>
</extension>

JSON Template

{ // ObsDelta
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/observation-delta", // R! 
    "valueCodeableConcept" : { CodeableConcept } // I R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. ObsDelta0..1CodeableConceptURL = http://hl7.org/fhir/StructureDefinition/observation-delta
ObsDelta: The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.


Use on Element ID Observation

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/observation-delta
ObsDelta: The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.


Use on Element ID Observation
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/observation-delta"
... value[x] 1..1CodeableConceptValue of extension

doco Documentation for this format

XML Template

<!-- ObsDelta -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/observation-delta" >
  <!-- from Element: extension -->
 <valueCodeableConcept><!-- I 1..1 CodeableConcept Value of extension --></valueCodeableConcept>
</extension>

JSON Template

{ // ObsDelta
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/observation-delta", // R! 
    "valueCodeableConcept" : { CodeableConcept } // I R! Value of extension
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: hasValue() or (children().count() > id.count()))
  • ext-1: Must have either extensions or value[x], not both (xpath: extension.exists() != value.exists())
  • ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: hasValue() or (children().count() > id.count()))
  • ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: extension.exists() != value.exists())
  • ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: hasValue() or (children().count() > id.count()))

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