Healthy Route Implementation Guide, published by Savannah Informatics. 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/savannahghi/healthy-route-ig/ and changes regularly. See the Directory of published versions
Extension: Reading Sequence
| Official URL: https://fhir.savannahghi.org/ig/healthy-route/StructureDefinition/hr-reading-sequence | Version: 0.1.0 | |||
| Draft as of 2026-10-11 | Computable Name: HRReadingSequence | |||
Which of the three blood pressure readings this is.
The protocol times three readings around the retinal capture and derives one value from them. The number says which reading a resource is, without a consumer having to sort them by time and hope none was entered late.
Context of Use
-
Element ID:
Observation
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Healthy Route Blood Pressure
- Examples for this Extension: Observation/ExampleBloodPressure1, Observation/ExampleBloodPressure2 and Observation/ExampleBloodPressure3
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 | Reading Sequence | |
  id |
0..1 | id | Unique id for inter-element referencing | |
 extension |
0..0 | Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | ||
| url |
1..1 | uri | "https://fhir.savannahghi.org/ig/healthy-route/StructureDefinition/hr-reading-sequence" | |
 value[x] |
1..1 | integer | Value of extension | |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Reading Sequence | |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..0 | Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them | ||
| url |
1..1 | uri | "https://fhir.savannahghi.org/ig/healthy-route/StructureDefinition/hr-reading-sequence" | |
| value[x] |
1..1 | integer | Value of extension | |
| Documentation for this format | ||||
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
Constraints
| Id | Grade | Path(s) | Description | Expression |