Polaris FHIR Implementation Guide - Local Development build (v1.10.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Extension: Polaris Medication Strength Extension
| Official URL: https://fhir.apps.health/StructureDefinition/polaris-medication-strength | Version: 1.10.0 | |||
| Draft as of 2026-05-26 | Computable Name: PolarisMedicationStrength | |||
Extension to capture medication strength information when using medicationCodeableConcept
Context of Use
-
Element ID:
MedicationRequest
This extension may be used on the following element(s)
Usage info
Usages:
- Use this Extension: Polaris Contained Medication Core
- Examples for this Extension: MedicationRequest/polaris-medicationrequest-detailed-example
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 | Medication strength details | |
  extension |
1..* | Extension | Extension | |
  Slices for extension |
Content/Rules for all slices | |||
   extension:strengthText |
S | 1..1 | Extension | Human-readable strength description |
  extension |
0..0 | |||
| url |
1..1 | uri | "strengthText" | |
  value[x] |
1..1 | string | Strength as text Example General: 500mg | |
 extension:strengthQuantity |
S | 0..1 | Extension | Structured strength representation |
  Slices for extension |
Content/Rules for all slices | |||
 extension:numerator |
S | 0..1 | Extension | Strength numerator |
| extension |
0..0 | |||
| url |
1..1 | uri | "numerator" | |
 value[x] |
1..1 | Quantity | Value of extension | |
| extension:denominator |
S | 0..1 | Extension | Strength denominator |
| extension |
0..0 | |||
| url |
1..1 | uri | "denominator" | |
| value[x] |
0..1 | Quantity | Value of extension | |
| url |
1..1 | uri | "strengthQuantity" | |
| value[x] |
0..0 | |||
| url |
1..1 | uri | "https://fhir.apps.health/StructureDefinition/polaris-medication-strength" | |
 value[x] |
0..0 | |||
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Medication strength details | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| Slices for extension |
1..* | Extension | Extension Slice: Unordered, Open by value:url | |
| extension:strengthText |
S | 1..1 | Extension | Human-readable strength description |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "strengthText" | |
| value[x] |
1..1 | string | Strength as text Example General: 500mg | |
| extension:strengthQuantity |
S | 0..1 | Extension | Structured strength representation |
| 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:numerator |
S | 0..1 | Extension | Strength numerator |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "numerator" | |
| value[x] |
1..1 | Quantity | Value of extension | |
| extension:denominator |
S | 0..1 | Extension | Strength denominator |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "denominator" | |
| value[x] |
0..1 | Quantity | Value of extension | |
| url |
1..1 | uri | "strengthQuantity" | |
| url |
1..1 | uri | "https://fhir.apps.health/StructureDefinition/polaris-medication-strength" | |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Medication strength details | |
| extension |
1..* | Extension | Extension | |
| Slices for extension |
Content/Rules for all slices | |||
| extension:strengthText |
S | 1..1 | Extension | Human-readable strength description |
| extension |
0..0 | |||
| url |
1..1 | uri | "strengthText" | |
| value[x] |
1..1 | string | Strength as text Example General: 500mg | |
| extension:strengthQuantity |
S | 0..1 | Extension | Structured strength representation |
| Slices for extension |
Content/Rules for all slices | |||
| extension:numerator |
S | 0..1 | Extension | Strength numerator |
| extension |
0..0 | |||
| url |
1..1 | uri | "numerator" | |
| value[x] |
1..1 | Quantity | Value of extension | |
| extension:denominator |
S | 0..1 | Extension | Strength denominator |
| extension |
0..0 | |||
| url |
1..1 | uri | "denominator" | |
| value[x] |
0..1 | Quantity | Value of extension | |
| url |
1..1 | uri | "strengthQuantity" | |
| value[x] |
0..0 | |||
| url |
1..1 | uri | "https://fhir.apps.health/StructureDefinition/polaris-medication-strength" | |
| value[x] |
0..0 | |||
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | Medication strength details | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| Slices for extension |
1..* | Extension | Extension Slice: Unordered, Open by value:url | |
| extension:strengthText |
S | 1..1 | Extension | Human-readable strength description |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "strengthText" | |
| value[x] |
1..1 | string | Strength as text Example General: 500mg | |
| extension:strengthQuantity |
S | 0..1 | Extension | Structured strength representation |
| 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:numerator |
S | 0..1 | Extension | Strength numerator |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "numerator" | |
| value[x] |
1..1 | Quantity | Value of extension | |
| extension:denominator |
S | 0..1 | Extension | Strength denominator |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "denominator" | |
| value[x] |
0..1 | Quantity | Value of extension | |
| url |
1..1 | uri | "strengthQuantity" | |
| url |
1..1 | uri | "https://fhir.apps.health/StructureDefinition/polaris-medication-strength" | |
| Documentation for this format | ||||
This structure is derived from Extension
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() |