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: Extended Contact Availability

Official URL: http://hl7.org/fhir/StructureDefinition/extended-contact-availability Version: 5.3.0-ballot-tc1
Standards status: Trial-use Maturity Level: 2 Responsible: HL7 International / Patient Administration Computable Name: ExtendedContactAvailability
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1580

The details provided in this contact may be used according to the attached availability guidelines.

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

Changes since version 5.2.0:

  • The resource metadata has changed (status)
  • 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

    Simple Extension with the type Availability: The details provided in this contact may be used according to the attached availability guidelines.

    Maturity: 2

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Extension
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"
    ... value[x] 1..1 Availability Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Extension
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension with the type Availability: The details provided in this contact may be used according to the attached availability guidelines.

    Maturity: 2

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Extension
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"
    ... value[x] 1..1 Availability Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Extension
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"

    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 represented a little differently in R4B:

    • Remove the extension context ExtendedContactDetail
    • Replace the type Availability with a set of extensions for the content of the type along with the _datatype extension
    • Note: Extensions that have been modified for R4B are still draft while real-world experience is collected
    Name Flags Card. Type Description & Constraints      Filter: Filters doco
    . . Extension 0..1 Extension Extension
    . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . extension:_datatype 1..1 (Complex) DataType name 'Availability' from R5
    URL: http://hl7.org/fhir/StructureDefinition/_datatype
    . . . . . value[x] 1.. 1 string Value of extension
    Fixed Value: Availability
    . . . . extension:availableTime 0..* Extension Times the {item} is available
    . . . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . . . extension:daysOfWeek 0..* Extension mon | tue | wed | thu | fri | sat | sun
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "daysOfWeek"
    . . . . . . . value[x] 1.. 1 code Value of extension
    Binding: DaysOfWeek ( required ) : The purpose for which an extended contact detail should be used.
    . . . . . . extension:allDay 0..1 Extension Always available? i.e. 24 hour service
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "allDay"
    . . . . . . . value[x] 1.. 1 boolean Value of extension
    . . . . . . extension:availableStartTime 0..1 Extension Opening time of day (ignored if allDay = true)
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "availableStartTime"
    . . . . . . . value[x] 1.. 1 time Value of extension
    . . . . . . extension:availableEndTime 0..1 Extension Closing time of day (ignored if allDay = true)
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "availableEndTime"
    . . . . . . . value[x] 1.. 1 time Value of extension
    . . . . . url 1 .. 1 uri "availableTime"
    . . . . . value[x] 0 .. 0
    . . . . extension:notAvailableTime 0..* Extension Not available during this time due to provided reason
    . . . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . . . extension:description 0..1 Extension Reason presented to the user explaining why time not available
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "description"
    . . . . . . . value[x] 1.. 1 string Value of extension
    . . . . . . extension:during 0..1 Extension Service not available during this period
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "during"
    . . . . . . . value[x] 1.. 1 Period Value of extension
    . . . . . url 1 .. 1 uri "notAvailableTime"
    . . . . . value[x] 0 .. 0
    . . . url 1 .. 1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"
    . . . value[x] 0 .. 0

    doco Documentation for this format

    R4

    The extension is represented a little differently in R4:

    • Remove the extension context ExtendedContactDetail
    • Replace the type Availability with a set of extensions for the content of the type along with the _datatype extension
    • Note: Extensions that have been modified for R4 are still draft while real-world experience is collected
    Name Flags Card. Type Description & Constraints      Filter: Filters doco
    . . Extension 0..1 Extension Extension
    . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . extension:_datatype 1..1 (Complex) DataType name 'Availability' from R5
    URL: http://hl7.org/fhir/StructureDefinition/_datatype
    . . . . . value[x] 1.. 1 string Value of extension
    Fixed Value: Availability
    . . . . extension:availableTime 0..* Extension Times the {item} is available
    . . . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . . . extension:daysOfWeek 0..* Extension mon | tue | wed | thu | fri | sat | sun
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "daysOfWeek"
    . . . . . . . value[x] 1.. 1 code Value of extension
    Binding: DaysOfWeek ( required ) : The purpose for which an extended contact detail should be used.
    . . . . . . extension:allDay 0..1 Extension Always available? i.e. 24 hour service
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "allDay"
    . . . . . . . value[x] 1.. 1 boolean Value of extension
    . . . . . . extension:availableStartTime 0..1 Extension Opening time of day (ignored if allDay = true)
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "availableStartTime"
    . . . . . . . value[x] 1.. 1 time Value of extension
    . . . . . . extension:availableEndTime 0..1 Extension Closing time of day (ignored if allDay = true)
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "availableEndTime"
    . . . . . . . value[x] 1.. 1 time Value of extension
    . . . . . url 1 .. 1 uri "availableTime"
    . . . . . value[x] 0 .. 0
    . . . . extension:notAvailableTime 0..* Extension Not available during this time due to provided reason
    . . . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . . . extension:description 0..1 Extension Reason presented to the user explaining why time not available
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "description"
    . . . . . . . value[x] 1.. 1 string Value of extension
    . . . . . . extension:during 0..1 Extension Service not available during this period
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "during"
    . . . . . . . value[x] 1.. 1 Period Value of extension
    . . . . . url 1 .. 1 uri "notAvailableTime"
    . . . . . value[x] 0 .. 0
    . . . url 1 .. 1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"
    . . . value[x] 0 .. 0

    doco Documentation for this format

    R3

    The extension is represented a little differently in R3:

    • Remove the extension context ExtendedContactDetail
    • Replace the type Availability with a set of extensions for the content of the type along with the _datatype extension
    • Note: Extensions that have been modified for R3 are still draft while real-world experience is collected
    Name Flags Card. Type Description & Constraints      Filter: Filters doco
    . . Extension 0..1 Extension Extension
    . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . extension:_datatype 1..1 (Complex) DataType name 'Availability' from R5
    URL: http://hl7.org/fhir/StructureDefinition/_datatype
    . . . . . value[x] 1.. 1 string Value of extension
    Fixed Value: Availability
    . . . . extension:availableTime 0..* Extension Times the {item} is available
    . . . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . . . extension:daysOfWeek 0..* Extension mon | tue | wed | thu | fri | sat | sun
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "daysOfWeek"
    . . . . . . . value[x] 1.. 1 code Value of extension
    Binding: DaysOfWeek ( required ) : The purpose for which an extended contact detail should be used.
    . . . . . . extension:allDay 0..1 Extension Always available? i.e. 24 hour service
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "allDay"
    . . . . . . . value[x] 1.. 1 boolean Value of extension
    . . . . . . extension:availableStartTime 0..1 Extension Opening time of day (ignored if allDay = true)
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "availableStartTime"
    . . . . . . . value[x] 1.. 1 time Value of extension
    . . . . . . extension:availableEndTime 0..1 Extension Closing time of day (ignored if allDay = true)
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "availableEndTime"
    . . . . . . . value[x] 1.. 1 time Value of extension
    . . . . . url 1 .. 1 uri "availableTime"
    . . . . . value[x] 0 .. 0
    . . . . extension:notAvailableTime 0..* Extension Not available during this time due to provided reason
    . . . . . Slices for extension 0 ..* Extension Extension
    Slice: Unordered, Open by value:url
    . . . . . . extension:description 0..1 Extension Reason presented to the user explaining why time not available
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "description"
    . . . . . . . value[x] 1.. 1 string Value of extension
    . . . . . . extension:during 0..1 Extension Service not available during this period
    . . . . . . . extension 0 .. 0
    . . . . . . . url 1 .. 1 uri "during"
    . . . . . . . value[x] 1.. 1 Period Value of extension
    . . . . . url 1 .. 1 uri "notAvailableTime"
    . . . . . value[x] 0 .. 0
    . . . url 1 .. 1 uri "http://hl7.org/fhir/StructureDefinition/extended-contact-availability"
    . . . value[x] 0 .. 0

    doco Documentation for this format

    Search Parameters for this Extension

    (none found)