R4 Draft for Comment

This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions

Extension: time-offset

Orders and Observations Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/observation-time-offset

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

A specific offset time in milliseconds from the stated time in the Observation.appliesDateTime to allow for representation of sequential recording of sampled data from the same lead or data stream. For example, an ECG recorder may record sequentially 3 leads four time to receive 12-lead ECG, see ISO 22077.

Context of Use: Use on element: Observation.component

usage info: insert a list of places where this extension is used

Summary

Name	Flags	Card.	Type	Description & Constraints
modifierExtension		0..*	integer	URL = http://hl7.org/fhir/StructureDefinition/observation-time-offset time-offset: A specific offset time in milliseconds from the stated time in the Observation.appliesDateTime to allow for representation of sequential recording of sampled data from the same lead or data stream. For example, an ECG recorder may record sequentially 3 leads four time to receive 12-lead ECG, see [ISO 22077](https://www.iso.org/obp/ui/#iso:std:61871:en). Use on element: Observation.component
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
modifierExtension	0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/observation-time-offset time-offset: A specific offset time in milliseconds from the stated time in the Observation.appliesDateTime to allow for representation of sequential recording of sampled data from the same lead or data stream. For example, an ECG recorder may record sequentially 3 leads four time to receive 12-lead ECG, see [ISO 22077](https://www.iso.org/obp/ui/#iso:std:61871:en). Use on element: Observation.component
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/observation-time-offset"
valueInteger	0..1	integer	Value of extension
Documentation for this format

XML Template

<!-- time-offset -->

<modifierExtension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/observation-time-offset" >
  <!-- from Element: extension -->
 <valueInteger value="[integer]"/><!-- 0..1 Value of extension -->
</modifierExtension>

JSON Template

{ // time-offset
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/observation-time-offset", // R! 
    "valueInteger" : <integer> //Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
modifierExtension		0..*	integer	URL = http://hl7.org/fhir/StructureDefinition/observation-time-offset time-offset: A specific offset time in milliseconds from the stated time in the Observation.appliesDateTime to allow for representation of sequential recording of sampled data from the same lead or data stream. For example, an ECG recorder may record sequentially 3 leads four time to receive 12-lead ECG, see [ISO 22077](https://www.iso.org/obp/ui/#iso:std:61871:en). Use on element: Observation.component
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
modifierExtension	0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/observation-time-offset time-offset: A specific offset time in milliseconds from the stated time in the Observation.appliesDateTime to allow for representation of sequential recording of sampled data from the same lead or data stream. For example, an ECG recorder may record sequentially 3 leads four time to receive 12-lead ECG, see [ISO 22077](https://www.iso.org/obp/ui/#iso:std:61871:en). Use on element: Observation.component
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/observation-time-offset"
valueInteger	0..1	integer	Value of extension
Documentation for this format

XML Template

<!-- time-offset -->

<modifierExtension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/observation-time-offset" >
  <!-- from Element: extension -->
 <valueInteger value="[integer]"/><!-- 0..1 Value of extension -->
</modifierExtension>

JSON Template

{ // time-offset
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/observation-time-offset", // R! 
    "valueInteger" : <integer> //Value of 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')]))