Release 4B 5 Ballot

This page is part of the FHIR Specification (v4.3.0: R4B (v5.0.0-ballot: R5 Ballot - STU see ballot notes ). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see the Directory of published versions . Page versions: R4B R4

Extension: precondition

Orders and Observations Work Group   Maturity Level : 1 Informative Use Context : Any

URL for this extension: http://hl7.org/fhir/StructureDefinition/servicerequest-precondition Summary

Defining URL: http://hl7.org/fhir/StructureDefinition/servicerequest-precondition
Version: 5.0.0-ballot
Name: precondition
Title: precondition
Modifier: This extension is not a modifier extension
Status: draft
Definition: 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.
Committee: Orders and Observations Work Group

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

Name Flags Card. Type Description & Constraints doco
. . precondition 0..* CodeableConcept URL = 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

Name Flags Card. Type Description & Constraints doco
. . extension 0..* Extension URL = 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..1 uri "http://hl7.org/fhir/StructureDefinition/servicerequest-precondition"
. . . value[x] 1..1 CodeableConcept Value 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>

 <valueCodeableConcept><!-- I 1..1 CodeableConcept Value of extension --></valueCodeableConcept>

</extension>

JSON Template 

{ // precondition
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/servicerequest-precondition", // R! 
    "

    "valueCodeableConcept" : { CodeableConcept } // I R! Value of extension

  }

Summary

Name Flags Card. Type Description & Constraints doco
. . precondition 0..* CodeableConcept URL = 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

Name Flags Card. Type Description & Constraints doco
. . extension 0..* Extension URL = 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..1 uri "http://hl7.org/fhir/StructureDefinition/servicerequest-precondition"
. . . value[x] 1..1 CodeableConcept Value 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>

 <valueCodeableConcept><!-- I 1..1 CodeableConcept Value of extension --></valueCodeableConcept>

</extension>

JSON Template 

{ // precondition
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/servicerequest-precondition", // R! 
    "

    "valueCodeableConcept" : { CodeableConcept } // I R! Value of extension

  }

 

Constraints

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

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Examples of this extension

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