HL7® FHIR® Te Aho o Te Kahu, Cancer Control Agency Implementation Guide
0.1.0 - CI Build

HL7® FHIR® Te Aho o Te Kahu, Cancer Control Agency Implementation Guide, published by Te Aho o Te Kahu, Cancer Control Agency. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7NZ/cca/ and changes regularly. See the Directory of published versions

Extension: TimingOfDays

Official URL: http://hl7.org.nz/fhir/StructureDefinition/sact-timing-of-days Version: 0.1.0
Active as of 2026-05-21 Computable Name: TimingOfDays

Allows specific days to be indicated in a component of a regimen cycle. extends the idea of UV extension: http://hl7.org/fhir/extension-timing-daysofcycle.html by adding instructions

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 Extension
... extension 1..* Extension Extension
... Slices for extension Content/Rules for all slices
.... extension:day 1..1 Extension The day number from the start of the cycle
..... extension 0..0 Extension
..... url 1..1 uri "day"
..... value[x] 0..1 integer Value of extension
.... extension:instructions 0..1 Extension Any specific instructions for this day
..... extension 0..0 Extension
..... url 1..1 uri "instructions"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "http://hl7.org.nz/fhir/StructureDefinition/sact-timing-of-days"

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Extension
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:day 1..1 Extension The day number from the start of the cycle
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "day"
..... value[x] 0..1 integer Value of extension
.... extension:instructions 0..1 Extension Any specific instructions for this day
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "instructions"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "http://hl7.org.nz/fhir/StructureDefinition/sact-timing-of-days"

doco Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: Allows specific days to be indicated in a component of a regimen cycle. extends the idea of UV extension: http://hl7.org/fhir/extension-timing-daysofcycle.html by adding instructions

  • day: integer: An Extension
  • instructions: string: An Extension

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Extension
... extension 1..* Extension Extension
... Slices for extension Content/Rules for all slices
.... extension:day 1..1 Extension The day number from the start of the cycle
..... extension 0..0 Extension
..... url 1..1 uri "day"
..... value[x] 0..1 integer Value of extension
.... extension:instructions 0..1 Extension Any specific instructions for this day
..... extension 0..0 Extension
..... url 1..1 uri "instructions"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "http://hl7.org.nz/fhir/StructureDefinition/sact-timing-of-days"

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Extension
... id 0..1 string Unique id for inter-element referencing
... Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url
.... extension:day 1..1 Extension The day number from the start of the cycle
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "day"
..... value[x] 0..1 integer Value of extension
.... extension:instructions 0..1 Extension Any specific instructions for this day
..... id 0..1 string Unique id for inter-element referencing
..... extension 0..0 Extension
Slice: Unordered, Open by value:url
..... url 1..1 uri "instructions"
..... value[x] 0..1 string Value of extension
... url 1..1 uri "http://hl7.org.nz/fhir/StructureDefinition/sact-timing-of-days"

doco Documentation for this format

This structure is derived from Extension

Summary

Complex Extension: Allows specific days to be indicated in a component of a regimen cycle. extends the idea of UV extension: http://hl7.org/fhir/extension-timing-daysofcycle.html by adding instructions

  • day: integer: An Extension
  • instructions: string: An Extension

 

Other representations of profile: CSV, Excel, Schematron

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()