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Extension: precondition

Orders and Observations Work Group Maturity Level: 1InformativeUse Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/servicerequest-precondition

Status: draft. Extension maintained by: Health Level Seven, Inc. - FHIR WG

The condition or state of the patient, prior or during the diagnostic procedure or test, for example, fasting, at-rest, or post-operative. This captures circumstances that may influence the measured value and have bearing on the interpretation of the result.

Context of Use: Use on Element ID ServiceRequest

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. precondition0..*CodeableConceptURL = http://hl7.org/fhir/StructureDefinition/servicerequest-precondition
precondition: The condition or state of the patient, prior or during the diagnostic procedure or test, for example, fasting, at-rest, or post-operative. This captures circumstances that may influence the measured value and have bearing on the interpretation of the result.


Use on Element ID ServiceRequest

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..*ExtensionURL = http://hl7.org/fhir/StructureDefinition/servicerequest-precondition
precondition: The condition or state of the patient, prior or during the diagnostic procedure or test, for example, fasting, at-rest, or post-operative. This captures circumstances that may influence the measured value and have bearing on the interpretation of the result.


Use on Element ID ServiceRequest
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/servicerequest-precondition"
... value[x] (Slice Definition)Value of extension
Slice: Unordered, Closed by type:$this
... valueCodeableConcept 0..1CodeableConceptValue of extension

doco Documentation for this format

XML Template

<!-- precondition -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/servicerequest-precondition" >
  <!-- from Element: extension -->
 <-- valueCodeableConcept sliced by type:$this  in the specified orderClosed-->
 <valueCodeableConcept><!-- 0..1 CodeableConcept Value of extension --></valueCodeableConcept>
</extension>

JSON Template

{ // precondition
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/servicerequest-precondition", // R! 
    "valueCodeableConcept" : [ //  sliced by type:$this  in the specified order, Closed 
      { // Value of extension //
        // from Element: extension
      }
    ],
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. precondition0..*CodeableConceptURL = http://hl7.org/fhir/StructureDefinition/servicerequest-precondition
precondition: The condition or state of the patient, prior or during the diagnostic procedure or test, for example, fasting, at-rest, or post-operative. This captures circumstances that may influence the measured value and have bearing on the interpretation of the result.


Use on Element ID ServiceRequest

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..*ExtensionURL = http://hl7.org/fhir/StructureDefinition/servicerequest-precondition
precondition: The condition or state of the patient, prior or during the diagnostic procedure or test, for example, fasting, at-rest, or post-operative. This captures circumstances that may influence the measured value and have bearing on the interpretation of the result.


Use on Element ID ServiceRequest
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/servicerequest-precondition"
... value[x] (Slice Definition)Value of extension
Slice: Unordered, Closed by type:$this
... valueCodeableConcept 0..1CodeableConceptValue of extension

doco Documentation for this format

XML Template

<!-- precondition -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/servicerequest-precondition" >
  <!-- from Element: extension -->
 <-- valueCodeableConcept sliced by type:$this  in the specified orderClosed-->
 <valueCodeableConcept><!-- 0..1 CodeableConcept Value of extension --></valueCodeableConcept>
</extension>

JSON Template

{ // precondition
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/servicerequest-precondition", // R! 
    "valueCodeableConcept" : [ //  sliced by type:$this  in the specified order, Closed 
      { // Value of extension //
        // from Element: extension
      }
    ],
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
  • ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))