ACT-NOW Implementation Guide - Local Development build (v0.5.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: CycleDay
| Official URL: http://canshare.co.nz/fhir/StructureDefinition/an-cycle-day | Version: 0.5.0 | |||
| Draft as of 2026-06-15 |
Realm: 
|
Computable Name: CycleDay | ||
The day of the cycle that this medication was given on. Includes planned day and administered day. Not the same as intended cycle length.
Context of Use
-
Element ID:
MedicationAdministration
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: ACT-NOW medication administration
- Examples for this Extension: MedicationAdministration/medicationadministration-1
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
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | Extension | |
  Slices for extension |
Content/Rules for all slices | |||
   extension:planned |
0..1 | Extension | Planned date | |
   extension |
0..0 | |||
| url |
1..1 | uri | "planned" | |
  value[x] |
0..1 | integer | Value of extension | |
 extension:administered |
0..1 | Extension | Planned date | |
 extension |
0..0 | |||
| url |
1..1 | uri | "administered" | |
| value[x] |
0..1 | integer | Value of extension | |
 url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-cycle-day" | |
 value[x] |
0..0 | |||
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Extension | |
| 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:planned |
0..1 | Extension | Planned date | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "planned" | |
| value[x] |
0..1 | integer | Value of extension | |
| extension:administered |
0..1 | Extension | Planned date | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "administered" | |
| value[x] |
0..1 | integer | Value of extension | |
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-cycle-day" | |
| Documentation for this format | ||||
This structure is derived from Extension
Summary
Complex Extension: The day of the cycle that this medication was given on. Includes planned day and administered day. Not the same as intended cycle length.
- planned: integer: The day that this administration should have been given on
- administered: integer: The day that this administration should have been given on
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Extension | |
| Slices for extension |
Content/Rules for all slices | |||
| extension:planned |
0..1 | Extension | Planned date | |
| extension |
0..0 | |||
| url |
1..1 | uri | "planned" | |
| value[x] |
0..1 | integer | Value of extension | |
| extension:administered |
0..1 | Extension | Planned date | |
| extension |
0..0 | |||
| url |
1..1 | uri | "administered" | |
| value[x] |
0..1 | integer | Value of extension | |
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-cycle-day" | |
| value[x] |
0..0 | |||
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Extension | |
| 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:planned |
0..1 | Extension | Planned date | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "planned" | |
| value[x] |
0..1 | integer | Value of extension | |
| extension:administered |
0..1 | Extension | Planned date | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "administered" | |
| value[x] |
0..1 | integer | Value of extension | |
| url |
1..1 | uri | "http://canshare.co.nz/fhir/StructureDefinition/an-cycle-day" | |
| Documentation for this format | ||||
This structure is derived from Extension
Summary
Complex Extension: The day of the cycle that this medication was given on. Includes planned day and administered day. Not the same as intended cycle length.
- planned: integer: The day that this administration should have been given on
- administered: integer: The day that this administration should have been given on
Other representations of profile: CSV, Excel, Schematron
Constraints
| Id | Grade | Path(s) | Details | Requirements |
| 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() |