R4 Ballot #2 (Mixed Normative/Trial use)

This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). 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: R5 R4B R4

8.29 Resource ObservationDefinition - Content

Orders and Observations Work GroupMaturity Level: 0 Trial Use Compartments: Not linked to any defined compartments

Set of definitional characteristics for a kind of observation or measurement produced or consumed by an orderable health care service.

8.29.1 Scope and Usage

Note that this content is preliminary has not undergone proper review by the appropriate Workgroups.

An instance of ObservationDefinition represents the definitional aspects of a kind of observation. This resource is used in a catalog of products or services for healthcare. It provides the definition of observations, which are used as input or produced as outcome of these products and services. The focus of the definitional aspects of ObservationDefinition is not on the action of performing observations of that kind. Rather, it is on the outcome of the observations. An instance of ObservationDefinition represents a set of constraints applicable to the value produced by observations of this kind. This set of constraints may have two utilities: 1) It guides the entry of the result of an observation of the kind defined. 2) It helps the consumer of the results of observations of that kind, to interpret properly these results.

For instance, in a catalog of laboratory in vitro diagnostic services, the ObservationDefinition resources describe the observations that should be provided by the orderer alongside with an ordered service (questions asked at order entry or at specimen collection, prior results) as well as the observations that will be reported once the service has been performed.

In a catalog of medications, ObservationDefinition resources can be used to describe observations the result thereof need to be checked against the prescription of a particular medicinal product (therapeutic range, units ...)

In the catalog of tests of an in vitro diagnostic device, ObservationDefinition resources can be used to characterize (absolute range, unit, decimal precision, critical values ...) the observations that will be produced by the IVD tests performed by the device.

ObservationDefinition may be used to characterize observations from any discipline.

8.29.2 Boundaries and Relationships

This resource relates to these other resource:.

  • Resource ObservationDefinition is referenced by resource CatalogEntry. This enables items of catalogs, representing healthcare services or products, to declare the observations, which are consumed or produced by these items.
  • Observation.basedOn references ObservationDefinition resource.

This resource is referenced by ActivityDefinition, EntryDefinition and MedicationKnowledge

8.29.3 Resource Content

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. ObservationDefinition TUDomainResourceDefinition of an observation
Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... category Σ0..1CodingCategory of observation
... code Σ1..1CodingType of observation (code / type)
LOINC Codes (Example)
... permittedDataType 0..*CodingPermitted data type for observation value
... multipleResultsAllowed 0..1booleanMultiple results allowed
... method 0..1CodeableConceptThe method or technique used to perform the observation
Observation Methods (Example)
... preferredReportName 0..1stringPreferred report name
... quantitativeDetails 0..1BackboneElementCharacteristics of quantitative results
.... customaryUnit 0..1CodingCustomary unit for quantitative results
ObservationUnit (Extensible)
.... unit 0..1CodingSI unit for quantitative results
ObservationUnit (Extensible)
.... conversionFactor 0..1decimalSI to Customary unit conversion factor
.... decimalPrecision 0..1integerDecimal precision of observation quantitative results
... qualifiedInterval 0..*BackboneElementReference range for observation result
.... category 0..1CodeableConceptThe category or type of interval
Observation Category Codes (Preferred)
.... range 0..1RangeLow bound of reference range, if relevant
.... type 0..1CodeableConceptReference range qualifier
Observation Reference Range Meaning Codes (Extensible)
.... appliesTo 0..*CodeableConceptReference range population
Observation Reference Range Applies To Codes (Example)
.... age 0..1RangeApplicable age range, if relevant
.... gestationalAge 0..1RangeApplicable gestational age range, if relevant
.... condition 0..1stringCondition associated with the reference range
... validCodedValueSet 0..1uriValue set of valid coded values for the observation
... normalCodedValueSet 0..1uriValue set of normal coded values for the observation
... abnormalCodedValueSet 0..1uriValue set of abnormal coded values for the observation
... criticalCodedValueSet 0..1uriValue set of critical coded values for the observation

doco Documentation for this format

UML Diagram (Legend)

ObservationDefinition (DomainResource)A code that classifies the general type of observationcategory : Coding [0..1]Describes what will be observed. Sometimes this is called the observation "name"code : Coding [1..1] « Codes identifying names of simple observations. (Strength=Example)LOINCCodes?? »Data type allowed for the result of the observationpermittedDataType : Coding [0..*]Multiple results allowed for this kind of observationmultipleResultsAllowed : boolean [0..1]The method or technique used to perform the observationmethod : CodeableConcept [0..1] « Methods for simple observations. (Strength=Example)ObservationMethods?? »The preferred name to be used when reporting the results of this observationpreferredReportName : string [0..1]The set of valid coded results for the observationvalidCodedValueSet : uri [0..1]The set of normal coded results for the observationnormalCodedValueSet : uri [0..1]The set of abnormal coded results for the observationabnormalCodedValueSet : uri [0..1]The set of critical coded results for the observationcriticalCodedValueSet : uri [0..1]QuantitativeDetailsCustomary unit used to report quantitative results of this observationcustomaryUnit : Coding [0..1] « Units usable for observations. (Strength=Extensible)ObservationUnit+ »SI unit used to report quantitative results of this observationunit : Coding [0..1] « Units usable for observations. (Strength=Extensible)ObservationUnit+ »Factor for converting value expressed with SI unit to value expressed with customary unitconversionFactor : decimal [0..1]Number of digits after decimal separator when the results of this observation are of type QuantitydecimalPrecision : integer [0..1]QualifiedIntervalThe category or type of intervalcategory : CodeableConcept [0..1] « Codes for high level observation categories. (Strength=Preferred)ObservationCategoryCodes? »The value and associated unit of the low bound (inclusive) of the reference rangerange : Range [0..1]Codes to indicate what part of the targeted reference population it applies to. For example, the normal or therapeutic rangetype : CodeableConcept [0..1] « Code for the meaning of a reference range. (Strength=Extensible)ObservationReferenceRangeMean...+ »Codes to indicate the target population this reference range applies toappliesTo : CodeableConcept [0..*] « Codes identifying the population the reference range applies to. (Strength=Example) ObservationReferenceRangeAppl...?? »The age at which this reference range is applicable. This is a neonatal age (e.g. number of weeks at term) if the meaning says soage : Range [0..1]The gestational age at which this reference range is applicable, in the context of pregnancygestationalAge : Range [0..1]Text based condition for which the reference range is validcondition : string [0..1]Characteristics for quantitative results of this observationquantitativeDetails[0..1]Reference range for ordinal and continuous observationsqualifiedInterval[0..*]

XML Template

<ObservationDefinition xmlns="http://hl7.org/fhir"> doco
 <!-- from Resource: id, meta, implicitRules, and language -->
 <!-- from DomainResource: text, contained, extension, and modifierExtension -->
 <category><!-- 0..1 Coding Category of observation --></category>
 <code><!-- 1..1 Coding Type of observation (code / type) --></code>
 <permittedDataType><!-- 0..* Coding Permitted data type for observation value --></permittedDataType>
 <multipleResultsAllowed value="[boolean]"/><!-- 0..1 Multiple results allowed -->
 <method><!-- 0..1 CodeableConcept The method or technique used to perform the observation --></method>
 <preferredReportName value="[string]"/><!-- 0..1 Preferred report name -->
 <quantitativeDetails>  <!-- 0..1 Characteristics of quantitative results -->
  <customaryUnit><!-- 0..1 Coding Customary unit for quantitative results  --></customaryUnit>
  <unit><!-- 0..1 Coding SI unit for quantitative results  --></unit>
  <conversionFactor value="[decimal]"/><!-- 0..1 SI to Customary unit conversion factor -->
  <decimalPrecision value="[integer]"/><!-- 0..1 Decimal precision of observation quantitative results -->
 </quantitativeDetails>
 <qualifiedInterval>  <!-- 0..* Reference range for observation result -->
  <category><!-- 0..1 CodeableConcept The category or type of interval --></category>
  <range><!-- 0..1 Range Low bound of reference range, if relevant --></range>
  <type><!-- 0..1 CodeableConcept Reference range qualifier --></type>
  <appliesTo><!-- 0..* CodeableConcept Reference range population --></appliesTo>
  <age><!-- 0..1 Range Applicable age range, if relevant --></age>
  <gestationalAge><!-- 0..1 Range Applicable gestational age range, if relevant --></gestationalAge>
  <condition value="[string]"/><!-- 0..1 Condition associated with the reference range -->
 </qualifiedInterval>
 <validCodedValueSet value="[uri]"/><!-- 0..1 Value set of valid coded values for the observation -->
 <normalCodedValueSet value="[uri]"/><!-- 0..1 Value set of normal coded values for the observation -->
 <abnormalCodedValueSet value="[uri]"/><!-- 0..1 Value set of abnormal coded values for the observation -->
 <criticalCodedValueSet value="[uri]"/><!-- 0..1 Value set of critical coded values for the observation -->
</ObservationDefinition>

JSON Template

{doco
  "resourceType" : "ObservationDefinition",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "category" : { Coding }, // Category of observation
  "code" : { Coding }, // R!  Type of observation (code / type)
  "permittedDataType" : [{ Coding }], // Permitted data type for observation value
  "multipleResultsAllowed" : <boolean>, // Multiple results allowed
  "method" : { CodeableConcept }, // The method or technique used to perform the observation
  "preferredReportName" : "<string>", // Preferred report name
  "quantitativeDetails" : { // Characteristics of quantitative results
    "customaryUnit" : { Coding }, // Customary unit for quantitative results 
    "unit" : { Coding }, // SI unit for quantitative results 
    "conversionFactor" : <decimal>, // SI to Customary unit conversion factor
    "decimalPrecision" : <integer> // Decimal precision of observation quantitative results
  },
  "qualifiedInterval" : [{ // Reference range for observation result
    "category" : { CodeableConcept }, // The category or type of interval
    "range" : { Range }, // Low bound of reference range, if relevant
    "type" : { CodeableConcept }, // Reference range qualifier
    "appliesTo" : [{ CodeableConcept }], // Reference range population
    "age" : { Range }, // Applicable age range, if relevant
    "gestationalAge" : { Range }, // Applicable gestational age range, if relevant
    "condition" : "<string>" // Condition associated with the reference range
  }],
  "validCodedValueSet" : "<uri>", // Value set of valid coded values for the observation
  "normalCodedValueSet" : "<uri>", // Value set of normal coded values for the observation
  "abnormalCodedValueSet" : "<uri>", // Value set of abnormal coded values for the observation
  "criticalCodedValueSet" : "<uri>" // Value set of critical coded values for the observation
}

Turtle Template

@prefix fhir: <http://hl7.org/fhir/> .doco


[ a fhir:ObservationDefinition;
  fhir:nodeRole fhir:treeRoot; # if this is the parser root

  # from Resource: .id, .meta, .implicitRules, and .language
  # from DomainResource: .text, .contained, .extension, and .modifierExtension
  fhir:ObservationDefinition.category [ Coding ]; # 0..1 Category of observation
  fhir:ObservationDefinition.code [ Coding ]; # 1..1 Type of observation (code / type)
  fhir:ObservationDefinition.permittedDataType [ Coding ], ... ; # 0..* Permitted data type for observation value
  fhir:ObservationDefinition.multipleResultsAllowed [ boolean ]; # 0..1 Multiple results allowed
  fhir:ObservationDefinition.method [ CodeableConcept ]; # 0..1 The method or technique used to perform the observation
  fhir:ObservationDefinition.preferredReportName [ string ]; # 0..1 Preferred report name
  fhir:ObservationDefinition.quantitativeDetails [ # 0..1 Characteristics of quantitative results
    fhir:ObservationDefinition.quantitativeDetails.customaryUnit [ Coding ]; # 0..1 Customary unit for quantitative results
    fhir:ObservationDefinition.quantitativeDetails.unit [ Coding ]; # 0..1 SI unit for quantitative results
    fhir:ObservationDefinition.quantitativeDetails.conversionFactor [ decimal ]; # 0..1 SI to Customary unit conversion factor
    fhir:ObservationDefinition.quantitativeDetails.decimalPrecision [ integer ]; # 0..1 Decimal precision of observation quantitative results
  ];
  fhir:ObservationDefinition.qualifiedInterval [ # 0..* Reference range for observation result
    fhir:ObservationDefinition.qualifiedInterval.category [ CodeableConcept ]; # 0..1 The category or type of interval
    fhir:ObservationDefinition.qualifiedInterval.range [ Range ]; # 0..1 Low bound of reference range, if relevant
    fhir:ObservationDefinition.qualifiedInterval.type [ CodeableConcept ]; # 0..1 Reference range qualifier
    fhir:ObservationDefinition.qualifiedInterval.appliesTo [ CodeableConcept ], ... ; # 0..* Reference range population
    fhir:ObservationDefinition.qualifiedInterval.age [ Range ]; # 0..1 Applicable age range, if relevant
    fhir:ObservationDefinition.qualifiedInterval.gestationalAge [ Range ]; # 0..1 Applicable gestational age range, if relevant
    fhir:ObservationDefinition.qualifiedInterval.condition [ string ]; # 0..1 Condition associated with the reference range
  ], ...;
  fhir:ObservationDefinition.validCodedValueSet [ uri ]; # 0..1 Value set of valid coded values for the observation
  fhir:ObservationDefinition.normalCodedValueSet [ uri ]; # 0..1 Value set of normal coded values for the observation
  fhir:ObservationDefinition.abnormalCodedValueSet [ uri ]; # 0..1 Value set of abnormal coded values for the observation
  fhir:ObservationDefinition.criticalCodedValueSet [ uri ]; # 0..1 Value set of critical coded values for the observation
]

Changes since R3

This resource did not exist in Release 2

This analysis is available as XML or JSON.

See R3 <--> R4 Conversion Maps (status = Not Mapped)

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. ObservationDefinition TUDomainResourceDefinition of an observation
Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... category Σ0..1CodingCategory of observation
... code Σ1..1CodingType of observation (code / type)
LOINC Codes (Example)
... permittedDataType 0..*CodingPermitted data type for observation value
... multipleResultsAllowed 0..1booleanMultiple results allowed
... method 0..1CodeableConceptThe method or technique used to perform the observation
Observation Methods (Example)
... preferredReportName 0..1stringPreferred report name
... quantitativeDetails 0..1BackboneElementCharacteristics of quantitative results
.... customaryUnit 0..1CodingCustomary unit for quantitative results
ObservationUnit (Extensible)
.... unit 0..1CodingSI unit for quantitative results
ObservationUnit (Extensible)
.... conversionFactor 0..1decimalSI to Customary unit conversion factor
.... decimalPrecision 0..1integerDecimal precision of observation quantitative results
... qualifiedInterval 0..*BackboneElementReference range for observation result
.... category 0..1CodeableConceptThe category or type of interval
Observation Category Codes (Preferred)
.... range 0..1RangeLow bound of reference range, if relevant
.... type 0..1CodeableConceptReference range qualifier
Observation Reference Range Meaning Codes (Extensible)
.... appliesTo 0..*CodeableConceptReference range population
Observation Reference Range Applies To Codes (Example)
.... age 0..1RangeApplicable age range, if relevant
.... gestationalAge 0..1RangeApplicable gestational age range, if relevant
.... condition 0..1stringCondition associated with the reference range
... validCodedValueSet 0..1uriValue set of valid coded values for the observation
... normalCodedValueSet 0..1uriValue set of normal coded values for the observation
... abnormalCodedValueSet 0..1uriValue set of abnormal coded values for the observation
... criticalCodedValueSet 0..1uriValue set of critical coded values for the observation

doco Documentation for this format

UML Diagram (Legend)

ObservationDefinition (DomainResource)A code that classifies the general type of observationcategory : Coding [0..1]Describes what will be observed. Sometimes this is called the observation "name"code : Coding [1..1] « Codes identifying names of simple observations. (Strength=Example)LOINCCodes?? »Data type allowed for the result of the observationpermittedDataType : Coding [0..*]Multiple results allowed for this kind of observationmultipleResultsAllowed : boolean [0..1]The method or technique used to perform the observationmethod : CodeableConcept [0..1] « Methods for simple observations. (Strength=Example)ObservationMethods?? »The preferred name to be used when reporting the results of this observationpreferredReportName : string [0..1]The set of valid coded results for the observationvalidCodedValueSet : uri [0..1]The set of normal coded results for the observationnormalCodedValueSet : uri [0..1]The set of abnormal coded results for the observationabnormalCodedValueSet : uri [0..1]The set of critical coded results for the observationcriticalCodedValueSet : uri [0..1]QuantitativeDetailsCustomary unit used to report quantitative results of this observationcustomaryUnit : Coding [0..1] « Units usable for observations. (Strength=Extensible)ObservationUnit+ »SI unit used to report quantitative results of this observationunit : Coding [0..1] « Units usable for observations. (Strength=Extensible)ObservationUnit+ »Factor for converting value expressed with SI unit to value expressed with customary unitconversionFactor : decimal [0..1]Number of digits after decimal separator when the results of this observation are of type QuantitydecimalPrecision : integer [0..1]QualifiedIntervalThe category or type of intervalcategory : CodeableConcept [0..1] « Codes for high level observation categories. (Strength=Preferred)ObservationCategoryCodes? »The value and associated unit of the low bound (inclusive) of the reference rangerange : Range [0..1]Codes to indicate what part of the targeted reference population it applies to. For example, the normal or therapeutic rangetype : CodeableConcept [0..1] « Code for the meaning of a reference range. (Strength=Extensible)ObservationReferenceRangeMean...+ »Codes to indicate the target population this reference range applies toappliesTo : CodeableConcept [0..*] « Codes identifying the population the reference range applies to. (Strength=Example) ObservationReferenceRangeAppl...?? »The age at which this reference range is applicable. This is a neonatal age (e.g. number of weeks at term) if the meaning says soage : Range [0..1]The gestational age at which this reference range is applicable, in the context of pregnancygestationalAge : Range [0..1]Text based condition for which the reference range is validcondition : string [0..1]Characteristics for quantitative results of this observationquantitativeDetails[0..1]Reference range for ordinal and continuous observationsqualifiedInterval[0..*]

XML Template

<ObservationDefinition xmlns="http://hl7.org/fhir"> doco
 <!-- from Resource: id, meta, implicitRules, and language -->
 <!-- from DomainResource: text, contained, extension, and modifierExtension -->
 <category><!-- 0..1 Coding Category of observation --></category>
 <code><!-- 1..1 Coding Type of observation (code / type) --></code>
 <permittedDataType><!-- 0..* Coding Permitted data type for observation value --></permittedDataType>
 <multipleResultsAllowed value="[boolean]"/><!-- 0..1 Multiple results allowed -->
 <method><!-- 0..1 CodeableConcept The method or technique used to perform the observation --></method>
 <preferredReportName value="[string]"/><!-- 0..1 Preferred report name -->
 <quantitativeDetails>  <!-- 0..1 Characteristics of quantitative results -->
  <customaryUnit><!-- 0..1 Coding Customary unit for quantitative results  --></customaryUnit>
  <unit><!-- 0..1 Coding SI unit for quantitative results  --></unit>
  <conversionFactor value="[decimal]"/><!-- 0..1 SI to Customary unit conversion factor -->
  <decimalPrecision value="[integer]"/><!-- 0..1 Decimal precision of observation quantitative results -->
 </quantitativeDetails>
 <qualifiedInterval>  <!-- 0..* Reference range for observation result -->
  <category><!-- 0..1 CodeableConcept The category or type of interval --></category>
  <range><!-- 0..1 Range Low bound of reference range, if relevant --></range>
  <type><!-- 0..1 CodeableConcept Reference range qualifier --></type>
  <appliesTo><!-- 0..* CodeableConcept Reference range population --></appliesTo>
  <age><!-- 0..1 Range Applicable age range, if relevant --></age>
  <gestationalAge><!-- 0..1 Range Applicable gestational age range, if relevant --></gestationalAge>
  <condition value="[string]"/><!-- 0..1 Condition associated with the reference range -->
 </qualifiedInterval>
 <validCodedValueSet value="[uri]"/><!-- 0..1 Value set of valid coded values for the observation -->
 <normalCodedValueSet value="[uri]"/><!-- 0..1 Value set of normal coded values for the observation -->
 <abnormalCodedValueSet value="[uri]"/><!-- 0..1 Value set of abnormal coded values for the observation -->
 <criticalCodedValueSet value="[uri]"/><!-- 0..1 Value set of critical coded values for the observation -->
</ObservationDefinition>

JSON Template

{doco
  "resourceType" : "ObservationDefinition",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "category" : { Coding }, // Category of observation
  "code" : { Coding }, // R!  Type of observation (code / type)
  "permittedDataType" : [{ Coding }], // Permitted data type for observation value
  "multipleResultsAllowed" : <boolean>, // Multiple results allowed
  "method" : { CodeableConcept }, // The method or technique used to perform the observation
  "preferredReportName" : "<string>", // Preferred report name
  "quantitativeDetails" : { // Characteristics of quantitative results
    "customaryUnit" : { Coding }, // Customary unit for quantitative results 
    "unit" : { Coding }, // SI unit for quantitative results 
    "conversionFactor" : <decimal>, // SI to Customary unit conversion factor
    "decimalPrecision" : <integer> // Decimal precision of observation quantitative results
  },
  "qualifiedInterval" : [{ // Reference range for observation result
    "category" : { CodeableConcept }, // The category or type of interval
    "range" : { Range }, // Low bound of reference range, if relevant
    "type" : { CodeableConcept }, // Reference range qualifier
    "appliesTo" : [{ CodeableConcept }], // Reference range population
    "age" : { Range }, // Applicable age range, if relevant
    "gestationalAge" : { Range }, // Applicable gestational age range, if relevant
    "condition" : "<string>" // Condition associated with the reference range
  }],
  "validCodedValueSet" : "<uri>", // Value set of valid coded values for the observation
  "normalCodedValueSet" : "<uri>", // Value set of normal coded values for the observation
  "abnormalCodedValueSet" : "<uri>", // Value set of abnormal coded values for the observation
  "criticalCodedValueSet" : "<uri>" // Value set of critical coded values for the observation
}

Turtle Template

@prefix fhir: <http://hl7.org/fhir/> .doco


[ a fhir:ObservationDefinition;
  fhir:nodeRole fhir:treeRoot; # if this is the parser root

  # from Resource: .id, .meta, .implicitRules, and .language
  # from DomainResource: .text, .contained, .extension, and .modifierExtension
  fhir:ObservationDefinition.category [ Coding ]; # 0..1 Category of observation
  fhir:ObservationDefinition.code [ Coding ]; # 1..1 Type of observation (code / type)
  fhir:ObservationDefinition.permittedDataType [ Coding ], ... ; # 0..* Permitted data type for observation value
  fhir:ObservationDefinition.multipleResultsAllowed [ boolean ]; # 0..1 Multiple results allowed
  fhir:ObservationDefinition.method [ CodeableConcept ]; # 0..1 The method or technique used to perform the observation
  fhir:ObservationDefinition.preferredReportName [ string ]; # 0..1 Preferred report name
  fhir:ObservationDefinition.quantitativeDetails [ # 0..1 Characteristics of quantitative results
    fhir:ObservationDefinition.quantitativeDetails.customaryUnit [ Coding ]; # 0..1 Customary unit for quantitative results
    fhir:ObservationDefinition.quantitativeDetails.unit [ Coding ]; # 0..1 SI unit for quantitative results
    fhir:ObservationDefinition.quantitativeDetails.conversionFactor [ decimal ]; # 0..1 SI to Customary unit conversion factor
    fhir:ObservationDefinition.quantitativeDetails.decimalPrecision [ integer ]; # 0..1 Decimal precision of observation quantitative results
  ];
  fhir:ObservationDefinition.qualifiedInterval [ # 0..* Reference range for observation result
    fhir:ObservationDefinition.qualifiedInterval.category [ CodeableConcept ]; # 0..1 The category or type of interval
    fhir:ObservationDefinition.qualifiedInterval.range [ Range ]; # 0..1 Low bound of reference range, if relevant
    fhir:ObservationDefinition.qualifiedInterval.type [ CodeableConcept ]; # 0..1 Reference range qualifier
    fhir:ObservationDefinition.qualifiedInterval.appliesTo [ CodeableConcept ], ... ; # 0..* Reference range population
    fhir:ObservationDefinition.qualifiedInterval.age [ Range ]; # 0..1 Applicable age range, if relevant
    fhir:ObservationDefinition.qualifiedInterval.gestationalAge [ Range ]; # 0..1 Applicable gestational age range, if relevant
    fhir:ObservationDefinition.qualifiedInterval.condition [ string ]; # 0..1 Condition associated with the reference range
  ], ...;
  fhir:ObservationDefinition.validCodedValueSet [ uri ]; # 0..1 Value set of valid coded values for the observation
  fhir:ObservationDefinition.normalCodedValueSet [ uri ]; # 0..1 Value set of normal coded values for the observation
  fhir:ObservationDefinition.abnormalCodedValueSet [ uri ]; # 0..1 Value set of abnormal coded values for the observation
  fhir:ObservationDefinition.criticalCodedValueSet [ uri ]; # 0..1 Value set of critical coded values for the observation
]

Changes since Release 3

This resource did not exist in Release 2

This analysis is available as XML or JSON.

See R3 <--> R4 Conversion Maps (status = Not Mapped)

 

See the Profiles & Extensions and the alternate definitions: Master Definition XML + JSON, XML Schema/Schematron + JSON Schema, ShEx (for Turtle) + see the extensions & the dependency analysis

8.29.3.1 Terminology Bindings

PathDefinitionTypeReference
ObservationDefinition.code Codes identifying names of simple observations.ExampleLOINCCodes
ObservationDefinition.method Methods for simple observations.ExampleObservationMethods
ObservationDefinition.quantitativeDetails.customaryUnit
ObservationDefinition.quantitativeDetails.unit 		Units usable for observations.Extensiblehttp://unitsofmeasure.org/vs
ObservationDefinition.qualifiedInterval.category Codes for high level observation categories.PreferredObservationCategoryCodes
ObservationDefinition.qualifiedInterval.type Code for the meaning of a reference range.ExtensibleObservationReferenceRangeMeaningCodes
ObservationDefinition.qualifiedInterval.appliesTo Codes identifying the population the reference range applies to.ExampleObservationReferenceRangeAppliesToCodes