EMA Write PMS API Implementation Guide - Enrichments
1.2.1 - ci-build

EMA Write PMS API Implementation Guide - Enrichments - Local Development build (v1.2.1) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

Extension: The Comparator Extension

Official URL: http://ema.europa.eu/fhir/extension/comparator Version: 1.2.1
Draft as of 2026-06-26 Computable Name: Comparator

The Comparator Extension

Context of Use

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

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

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

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension The Comparator Extension
... extension 0..0 Extension
... url 1..1 uri "http://ema.europa.eu/fhir/extension/comparator"
... Slices for value[x] 0..1 base64Binary, boolean, canonical(), code, date, dateTime, decimal, id, instant, integer, integer64, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, CodeableReference(), Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, RatioRange, Reference(), SampledData, Signature, Timing, ContactDetail, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Availability, ExtendedContactDetail, Dosage, Meta Value of extension
Slice: Unordered, Open by type:$this
.... value[x]:valueCoding 0..1 Coding Value of extension
Binding: Quantity Operator (required)

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension The Comparator Extension
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://ema.europa.eu/fhir/extension/comparator"
.... valueBase64Binary base64Binary
.... valueBoolean boolean
.... valueCanonical canonical(Any)
.... valueCode code
.... valueDate date
.... valueDateTime dateTime
.... valueDecimal decimal
.... valueId id
.... valueInstant instant
.... valueInteger integer
.... valueInteger64 integer64
.... valueMarkdown markdown
.... valueOid oid
.... valuePositiveInt positiveInt
.... valueString string
.... valueTime time
.... valueUnsignedInt unsignedInt
.... valueUri uri
.... valueUrl url
.... valueUuid uuid
.... valueAddress Address
.... valueAge Age
.... valueAnnotation Annotation
.... valueAttachment Attachment
.... valueCodeableConcept CodeableConcept
.... valueCodeableReference CodeableReference
.... valueCoding Coding
.... valueContactPoint ContactPoint
.... valueCount Count
.... valueDistance Distance
.... valueDuration Duration
.... valueHumanName HumanName
.... valueIdentifier Identifier
.... valueMoney Money
.... valuePeriod Period
.... valueQuantity Quantity
.... valueRange Range
.... valueRatio Ratio
.... valueRatioRange RatioRange
.... valueReference Reference(Any)
.... valueSampledData SampledData
.... valueSignature Signature
.... valueTiming Timing
.... valueContactDetail ContactDetail
.... valueDataRequirement DataRequirement
.... valueExpression Expression
.... valueParameterDefinition ParameterDefinition
.... valueRelatedArtifact RelatedArtifact
.... valueTriggerDefinition TriggerDefinition
.... valueUsageContext UsageContext
.... valueAvailability Availability
.... valueExtendedContactDetail ExtendedContactDetail
.... valueDosage Dosage
.... valueMeta Meta
.... value[x]:valueCoding 0..1 Coding Value of extension
Binding: Quantity Operator (required)

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, integer64, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, CodeableReference, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, RatioRange, Reference, SampledData, Signature, Timing, ContactDetail, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Availability, ExtendedContactDetail, Dosage, Meta: The Comparator Extension

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension The Comparator Extension
... extension 0..0 Extension
... url 1..1 uri "http://ema.europa.eu/fhir/extension/comparator"
... Slices for value[x] 0..1 base64Binary, boolean, canonical(), code, date, dateTime, decimal, id, instant, integer, integer64, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, CodeableReference(), Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, RatioRange, Reference(), SampledData, Signature, Timing, ContactDetail, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Availability, ExtendedContactDetail, Dosage, Meta Value of extension
Slice: Unordered, Open by type:$this
.... value[x]:valueCoding 0..1 Coding Value of extension
Binding: Quantity Operator (required)

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension The Comparator Extension
... id 0..1 id Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://ema.europa.eu/fhir/extension/comparator"
.... valueBase64Binary base64Binary
.... valueBoolean boolean
.... valueCanonical canonical(Any)
.... valueCode code
.... valueDate date
.... valueDateTime dateTime
.... valueDecimal decimal
.... valueId id
.... valueInstant instant
.... valueInteger integer
.... valueInteger64 integer64
.... valueMarkdown markdown
.... valueOid oid
.... valuePositiveInt positiveInt
.... valueString string
.... valueTime time
.... valueUnsignedInt unsignedInt
.... valueUri uri
.... valueUrl url
.... valueUuid uuid
.... valueAddress Address
.... valueAge Age
.... valueAnnotation Annotation
.... valueAttachment Attachment
.... valueCodeableConcept CodeableConcept
.... valueCodeableReference CodeableReference
.... valueCoding Coding
.... valueContactPoint ContactPoint
.... valueCount Count
.... valueDistance Distance
.... valueDuration Duration
.... valueHumanName HumanName
.... valueIdentifier Identifier
.... valueMoney Money
.... valuePeriod Period
.... valueQuantity Quantity
.... valueRange Range
.... valueRatio Ratio
.... valueRatioRange RatioRange
.... valueReference Reference(Any)
.... valueSampledData SampledData
.... valueSignature Signature
.... valueTiming Timing
.... valueContactDetail ContactDetail
.... valueDataRequirement DataRequirement
.... valueExpression Expression
.... valueParameterDefinition ParameterDefinition
.... valueRelatedArtifact RelatedArtifact
.... valueTriggerDefinition TriggerDefinition
.... valueUsageContext UsageContext
.... valueAvailability Availability
.... valueExtendedContactDetail ExtendedContactDetail
.... valueDosage Dosage
.... valueMeta Meta
.... value[x]:valueCoding 0..1 Coding Value of extension
Binding: Quantity Operator (required)

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type base64Binary, boolean, canonical, code, date, dateTime, decimal, id, instant, integer, integer64, markdown, oid, positiveInt, string, time, unsignedInt, uri, url, uuid, Address, Age, Annotation, Attachment, CodeableConcept, CodeableReference, Coding, ContactPoint, Count, Distance, Duration, HumanName, Identifier, Money, Period, Quantity, Range, Ratio, RatioRange, Reference, SampledData, Signature, Timing, ContactDetail, DataRequirement, Expression, ParameterDefinition, RelatedArtifact, TriggerDefinition, UsageContext, Availability, ExtendedContactDetail, Dosage, Meta: The Comparator Extension

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.value[x]:valueCoding Base required Quantity Operator 📦1.2.1 This IG

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()