FHIR General Extensions IG
0.1.0 - Working Copy International flag

This page is part of the FHIR Core Extensions Registry (v0.1.0: Releases Draft) based on FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions

Extension: Observation Delta

Official URL: http://hl7.org/fhir/StructureDefinition/observation-delta Version: 0.1.0
Standards status: Trial-use Maturity Level: 1 Computable Name: ObsDelta
Other Identifiers: id: urn:oid:2.16.840.1.113883.4.642.5.1477

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

Context of Use

This extension may be used on the following element(s):

  • Element ID Observation

Usage info

Usage:

  • This Extension is not used by any profiles in this Implementation Guide

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

Summary

Mandatory: 1 element
Fixed Value: 1 element
Prohibited: 1 element

Maturity: 1

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionQualitative change or trend in the measurement
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/observation-delta"
... value[x] 1..1CodeableConceptValue of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionQualitative change or trend in the measurement
... id 0..1idUnique id for inter-element referencing
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/observation-delta"

doco Documentation for this format

This structure is derived from Extension

Summary

Mandatory: 1 element
Fixed Value: 1 element
Prohibited: 1 element

Maturity: 1

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionQualitative change or trend in the measurement
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/observation-delta"
... value[x] 1..1CodeableConceptValue of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionQualitative change or trend in the measurement
... id 0..1idUnique id for inter-element referencing
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/observation-delta"

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())

Search Parameters for this Extension

(none found)

;