FHIR Extensions Pack
5.3.0-ballot-tc1 - (September 2025 Ballot) International flag

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

Extension: Dosage - Minimum Gap Between Doses (Experimental)

Official URL: http://hl7.org/fhir/StructureDefinition/dosage-minimumGapBetweenDose Version: 5.3.0-ballot-tc1
Standards status: Draft Maturity Level: 1 Computable Name: DosageMinimumGapBetweenDose
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1594

The minimum amount of time that must pass between administering the specified dose amount.

This is an experimental extension definition; the definition is intended for testing purposes, education or evaluation, and the definition is not anticipated to be matured to a point where it is intended for genuine usage.

Context of Use

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

Usage info

Usages:

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

You can also check for usages in the FHIR IG Statistics

Changes since version 5.2.0:

  • No changes

    • 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

    Complex Extension: The minimum amount of time that must pass between administering the specified dose amount.

    • offset: Duration: Specifies the offset before or after the goal is met to follow the instructions.
    • goal: string, Reference: The specific goal to meet to follow the dosage instructions.
    • offset: Duration: Specifies the offset before or after the trigger happens to follow the instructions.
    • trigger: string, Reference: The event that causes the dosage instruction to be followed.
    • doesNotOccur: boolean: If set to 'true', indicates that the condition must not be present for the dosage instructions to be followed.
    • condition: Reference: The event that causes the dosage instruction to be followed.

    Maturity: 1

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Time that must pass between doses
    ... Slices for extension Content/Rules for all slices
    .... extension:meetGoal 0..* Extension Extension
    ..... extension 1..* Extension Extension
    ..... Slices for extension Content/Rules for all slices
    ...... extension:offset 0..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:goal 1..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "goal"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Goal)
    ..... url 1..1 uri "meetGoal"
    ..... value[x] 0..0
    .... extension:whenTrigger 0..* Extension Extension
    ..... extension 1..* Extension Extension
    ..... Slices for extension Content/Rules for all slices
    ...... extension:offset 0..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:trigger 1..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "trigger"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Procedure | ActivityDefinition | ObservationDefinition)
    ..... url 1..1 uri "whenTrigger"
    ..... value[x] 0..0
    .... extension:precondition 0..* Extension Extension
    ..... extension 1..* Extension Extension
    ..... Slices for extension Content/Rules for all slices
    ...... extension:doesNotOccur 0..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "doesNotOccur"
    ....... value[x] 1..1 boolean Value of extension
    ...... extension:condition 1..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "condition"
    ....... value[x] 1..1 Reference(ActivityDefinition | ObservationDefinition) Value of extension
    ..... url 1..1 uri "precondition"
    ..... value[x] 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/dosage-minimumGapBetweenDose"
    ... value[x] 0..0

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Time that must pass between doses
    ... id 0..1 id Unique id for inter-element referencing
    ... Slices for extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    .... extension:meetGoal 0..* Extension Extension
    ..... id 0..1 id Unique id for inter-element referencing
    ..... Slices for extension 1..* Extension Extension
    Slice: Unordered, Open by value:url
    ...... extension:offset 0..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:goal 1..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "goal"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Goal)
    ..... url 1..1 uri "meetGoal"
    .... extension:whenTrigger 0..* Extension Extension
    ..... id 0..1 id Unique id for inter-element referencing
    ..... Slices for extension 1..* Extension Extension
    Slice: Unordered, Open by value:url
    ...... extension:offset 0..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:trigger 1..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "trigger"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Procedure | ActivityDefinition | ObservationDefinition)
    ..... url 1..1 uri "whenTrigger"
    .... extension:precondition 0..* Extension Extension
    ..... id 0..1 id Unique id for inter-element referencing
    ..... Slices for extension 1..* Extension Extension
    Slice: Unordered, Open by value:url
    ...... extension:doesNotOccur 0..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "doesNotOccur"
    ....... value[x] 1..1 boolean Value of extension
    ...... extension:condition 1..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "condition"
    ....... value[x] 1..1 Reference(ActivityDefinition | ObservationDefinition) Value of extension
    ..... url 1..1 uri "precondition"
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/dosage-minimumGapBetweenDose"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Complex Extension: The minimum amount of time that must pass between administering the specified dose amount.

    • offset: Duration: Specifies the offset before or after the goal is met to follow the instructions.
    • goal: string, Reference: The specific goal to meet to follow the dosage instructions.
    • offset: Duration: Specifies the offset before or after the trigger happens to follow the instructions.
    • trigger: string, Reference: The event that causes the dosage instruction to be followed.
    • doesNotOccur: boolean: If set to 'true', indicates that the condition must not be present for the dosage instructions to be followed.
    • condition: Reference: The event that causes the dosage instruction to be followed.

    Maturity: 1

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Time that must pass between doses
    ... Slices for extension Content/Rules for all slices
    .... extension:meetGoal 0..* Extension Extension
    ..... extension 1..* Extension Extension
    ..... Slices for extension Content/Rules for all slices
    ...... extension:offset 0..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:goal 1..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "goal"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Goal)
    ..... url 1..1 uri "meetGoal"
    ..... value[x] 0..0
    .... extension:whenTrigger 0..* Extension Extension
    ..... extension 1..* Extension Extension
    ..... Slices for extension Content/Rules for all slices
    ...... extension:offset 0..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:trigger 1..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "trigger"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Procedure | ActivityDefinition | ObservationDefinition)
    ..... url 1..1 uri "whenTrigger"
    ..... value[x] 0..0
    .... extension:precondition 0..* Extension Extension
    ..... extension 1..* Extension Extension
    ..... Slices for extension Content/Rules for all slices
    ...... extension:doesNotOccur 0..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "doesNotOccur"
    ....... value[x] 1..1 boolean Value of extension
    ...... extension:condition 1..1 Extension Extension
    ....... extension 0..0
    ....... url 1..1 uri "condition"
    ....... value[x] 1..1 Reference(ActivityDefinition | ObservationDefinition) Value of extension
    ..... url 1..1 uri "precondition"
    ..... value[x] 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/dosage-minimumGapBetweenDose"
    ... value[x] 0..0

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Time that must pass between doses
    ... id 0..1 id Unique id for inter-element referencing
    ... Slices for extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    .... extension:meetGoal 0..* Extension Extension
    ..... id 0..1 id Unique id for inter-element referencing
    ..... Slices for extension 1..* Extension Extension
    Slice: Unordered, Open by value:url
    ...... extension:offset 0..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:goal 1..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "goal"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Goal)
    ..... url 1..1 uri "meetGoal"
    .... extension:whenTrigger 0..* Extension Extension
    ..... id 0..1 id Unique id for inter-element referencing
    ..... Slices for extension 1..* Extension Extension
    Slice: Unordered, Open by value:url
    ...... extension:offset 0..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "offset"
    ....... value[x] 1..1 Duration Value of extension
    ...... extension:trigger 1..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "trigger"
    ....... value[x] 1..1 Value of extension
    ........ valueString string
    ........ valueReference Reference(Procedure | ActivityDefinition | ObservationDefinition)
    ..... url 1..1 uri "whenTrigger"
    .... extension:precondition 0..* Extension Extension
    ..... id 0..1 id Unique id for inter-element referencing
    ..... Slices for extension 1..* Extension Extension
    Slice: Unordered, Open by value:url
    ...... extension:doesNotOccur 0..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "doesNotOccur"
    ....... value[x] 1..1 boolean Value of extension
    ...... extension:condition 1..1 Extension Extension
    ....... id 0..1 id Unique id for inter-element referencing
    ....... extension 0..0
    ....... url 1..1 uri "condition"
    ....... value[x] 1..1 Reference(ActivityDefinition | ObservationDefinition) Value of extension
    ..... url 1..1 uri "precondition"
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/dosage-minimumGapBetweenDose"

    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())
    ext-1error**ALL** extensionsMust have either extensions or value[x], not both
    : extension.exists() != value.exists()

    R4B

    The extension is unchanged in R4B

    R4

    The extension is unchanged in R4

    R3

    The extension is represented a little differently in R3:

    • Remove the target profile http://hl7.org/fhir/StructureDefinition/ObservationDefinition from the element Extension.extension:whenTrigger.extension:trigger.value[x]
    • Remove the target profile http://hl7.org/fhir/StructureDefinition/ObservationDefinition from the element Extension.extension:precondition.extension:condition.value[x]
    Name Flags Card. Type Description & Constraints      Filter: Filters doco
    . . Extension 0..1 Extension Time that must pass between doses
    . . . Slices for extension Content/Rules for all slices
    . . . . extension:meetGoal 0..* Extension Extension
    . . . . . extension 1.. * Extension Extension
    . . . . . Slices for extension Content/Rules for all slices
    . . . . . . extension:offset 0..1 Extension Extension
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "offset"
    . . . . . . . value[x] 1.. 1 Duration Value of extension
    . . . . . . extension:goal 1..1 Extension Extension
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "goal"
    . . . . . . . value[x] 1.. 1 Value of extension
    . . . . . . . . valueString string
    . . . . . . . . valueReference Reference ( Goal )
    . . . . . url 1 .. 1 uri "meetGoal"
    . . . . . value[x] 0 .. 0
    . . . . extension:whenTrigger 0..* Extension Extension
    . . . . . extension 1.. * Extension Extension
    . . . . . Slices for extension Content/Rules for all slices
    . . . . . . extension:offset 0..1 Extension Extension
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "offset"
    . . . . . . . value[x] 1.. 1 Duration Value of extension
    . . . . . . extension:trigger 1..1 Extension Extension
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "trigger"
    . . . . . . . value[x] 1.. 1 Value of extension
    . . . . . . . . valueString string
    . . . . . . . . valueReference Reference ( Procedure | ActivityDefinition )
    . . . . . url 1 .. 1 uri "whenTrigger"
    . . . . . value[x] 0 .. 0
    . . . . extension:precondition 0..* Extension Extension
    . . . . . extension 1.. * Extension Extension
    . . . . . Slices for extension Content/Rules for all slices
    . . . . . . extension:doesNotOccur 0..1 Extension Extension
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "doesNotOccur"
    . . . . . . . value[x] 1.. 1 boolean Value of extension
    . . . . . . extension:condition 1..1 Extension Extension
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "condition"
    . . . . . . . value[x] 1.. 1 Reference ( ActivityDefinition ) Value of extension
    . . . . . url 1 .. 1 uri "precondition"
    . . . . . value[x] 0 .. 0
    . . . url 1 .. 1 uri "http://hl7.org/fhir/StructureDefinition/dosage-minimumGapBetweenDose"
    . . . value[x] 0 .. 0

    doco Documentation for this format

    Search Parameters for this Extension

    (none found)