National Directory of Healthcare Providers & Services (NDH) Implementation Guide
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National Directory of Healthcare Providers & Services (NDH) Implementation Guide, published by HL7 International / Patient Administration. This guide is not an authorized publication; it is the continuous build for version 2.0.0-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-us-ndh/ and changes regularly. See the Directory of published versions

Extension: NDH Contact Point Available Time

Official URL: http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-contactpoint-availabletime Version: 2.0.0-current
Standards status: Trial-use Active as of 2026-04-22 Maturity Level: 4 Computable Name: ContactPointAvailableTime

An extension representing the days and times a contact point is available

Context of Use

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH Contact Point Available Time
... Slices for extension Content/Rules for all slices
.... extension:daysOfWeek S 0..* Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "daysOfWeek"
..... value[x] 0..1 code Value of extension
Binding: DaysOfWeek (required)
.... extension:allDay S 0..1 Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "allDay"
..... value[x] 0..1 boolean Value of extension
.... extension:availableStartTime S 0..1 Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "availableStartTime"
..... value[x] 0..1 time Value of extension
.... extension:availableEndTime S 0..1 Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "availableEndTime"
..... value[x] 0..1 time Value of extension
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-contactpoint-availabletime"
... value[x] 0..0 Value of extension

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Extension.extension:daysOfWeek.​value[x] Base required DaysOfWeek 📍4.0.1 FHIR Std.
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH Contact Point Available Time
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... extension:daysOfWeek S 0..* Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "daysOfWeek"
..... value[x] 0..1 code Value of extension
Binding: DaysOfWeek (required)
.... extension:allDay S 0..1 Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "allDay"
..... value[x] 0..1 boolean Value of extension
.... extension:availableStartTime S 0..1 Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "availableStartTime"
..... value[x] 0..1 time Value of extension
.... extension:availableEndTime S 0..1 Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "availableEndTime"
..... value[x] 0..1 time Value of extension
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-contactpoint-availabletime"

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.extension:daysOfWeek.​value[x] Base required DaysOfWeek 📍4.0.1 FHIR Std.

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()

Summary

Complex Extension: An extension representing the days and times a contact point is available

  • daysOfWeek: code: An Extension
  • allDay: boolean: An Extension
  • availableStartTime: time: An Extension
  • availableEndTime: time: An Extension

Maturity: 4

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH Contact Point Available Time
... Slices for extension Content/Rules for all slices
.... extension:daysOfWeek S 0..* Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "daysOfWeek"
..... value[x] 0..1 code Value of extension
Binding: DaysOfWeek (required)
.... extension:allDay S 0..1 Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "allDay"
..... value[x] 0..1 boolean Value of extension
.... extension:availableStartTime S 0..1 Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "availableStartTime"
..... value[x] 0..1 time Value of extension
.... extension:availableEndTime S 0..1 Extension Extension
..... extension 0..0 Extension
..... url 1..1 uri "availableEndTime"
..... value[x] 0..1 time Value of extension
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-contactpoint-availabletime"
... value[x] 0..0 Value of extension

doco Documentation for this format

Terminology Bindings (Differential)

Path Status Usage ValueSet Version Source
Extension.extension:daysOfWeek.​value[x] Base required DaysOfWeek 📍4.0.1 FHIR Std.

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension NDH Contact Point Available Time
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
.... extension:daysOfWeek S 0..* Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "daysOfWeek"
..... value[x] 0..1 code Value of extension
Binding: DaysOfWeek (required)
.... extension:allDay S 0..1 Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "allDay"
..... value[x] 0..1 boolean Value of extension
.... extension:availableStartTime S 0..1 Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "availableStartTime"
..... value[x] 0..1 time Value of extension
.... extension:availableEndTime S 0..1 Extension Extension
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "availableEndTime"
..... value[x] 0..1 time Value of extension
... url 1..1 uri "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-contactpoint-availabletime"

doco Documentation for this format

Terminology Bindings

Path Status Usage ValueSet Version Source
Extension.extension:daysOfWeek.​value[x] Base required DaysOfWeek 📍4.0.1 FHIR Std.

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()

Summary

Complex Extension: An extension representing the days and times a contact point is available

  • daysOfWeek: code: An Extension
  • allDay: boolean: An Extension
  • availableStartTime: time: An Extension
  • availableEndTime: time: An Extension

Maturity: 4

 

Other representations of profile: CSV, Excel, Schematron