EMA Write PMS API Implementation Guide - Enrichments - Local Development build (v1.2.1) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions
Data Type Profile: EMA Ratio
| Official URL: http://ema.europa.eu/fhir/StructureDefinition/emaRatio | Version: 1.2.1 | |||
| Draft as of 2026-06-26 | Computable Name: EmaRatio | |||
EMA Ratio
Usages:
- This DataType Profile is not used by any profiles in this Implementation Guide
You can also check for usages in the FHIR IG Statistics
Formal Views of Profile Content
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Ratio |
C | 0..* | Ratio | A ratio of two Quantity values - a numerator and a denominator Constraints: rat-1 |
  numerator |
ΣC | 1..1 | Quantity | Numerator value Binding: Unit of Measurement (required) |
   extension |
1..1 | Coding | The Comparator Extension URL: http://ema.europa.eu/fhir/extension/comparator Slice: Unordered, Open by value:url Binding: Quantity Operator (required) | |
 value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 1..1 | code | < | <= | >= | > | ad - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. |
 unit |
Σ | 1..1 | string | Unit representation |
 denominator |
ΣC | 1..1 | SimpleQuantity(5.0.0) | Denominator value Binding: Units of Presentation (required) |
 value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| unit |
Σ | 1..1 | string | Unit representation |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Ratio.numerator | Base | required | Unit of Measurement | 📦1.2.1 | This IG |
| Ratio.numerator.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
| Ratio.denominator | Base | required | Units of Presentation | 📦1.2.1 | This IG |
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()
|
| rat-1 | error | Ratio | Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present |
(numerator.exists() and denominator.exists()) or (numerator.empty() and denominator.empty() and extension.exists())
|
This structure is derived from Ratio
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Ratio |
0..* | Ratio | A ratio of two Quantity values - a numerator and a denominator | |
| numerator |
1..1 | Quantity | Numerator value Binding: Unit of Measurement (required) | |
| extension |
1..1 | Coding | The Comparator Extension URL: http://ema.europa.eu/fhir/extension/comparator Binding: Quantity Operator (required) | |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| comparator |
1..1 | code | < | <= | >= | > | ad - how to understand the value | |
| unit |
1..1 | string | Unit representation | |
| denominator |
1..1 | SimpleQuantity(5.0.0) | Denominator value Binding: Units of Presentation (required) | |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| unit |
1..1 | string | Unit representation | |
| Documentation for this format | ||||
Terminology Bindings (Differential)
| Path | Status | Usage | ValueSet | Version | Source |
| Ratio.numerator | Base | required | Unit of Measurement | 📦1.2.1 | This IG |
| Ratio.denominator | Base | required | Units of Presentation | 📦1.2.1 | This IG |
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Ratio |
C | 0..* | Ratio | A ratio of two Quantity values - a numerator and a denominator Constraints: rat-1 |
| id |
0..1 | id | Unique id for inter-element referencing | |
 extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| numerator |
ΣC | 1..1 | Quantity | Numerator value Binding: Unit of Measurement (required) |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
1..1 | Coding | The Comparator Extension URL: http://ema.europa.eu/fhir/extension/comparator Slice: Unordered, Open by value:url Binding: Quantity Operator (required) | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 1..1 | code | < | <= | >= | > | ad - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 0..1 | uri | System that defines coded unit form |
| code |
ΣC | 0..1 | code | Coded form of the unit |
| denominator |
ΣC | 1..1 | SimpleQuantity(5.0.0) | Denominator value Binding: Units of Presentation (required) |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 0..1 | uri | System that defines coded unit form |
| code |
ΣC | 0..1 | code | Coded form of the unit |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Ratio.numerator | Base | required | Unit of Measurement | 📦1.2.1 | This IG |
| Ratio.numerator.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
| Ratio.denominator | Base | required | Units of Presentation | 📦1.2.1 | This IG |
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()
|
| rat-1 | error | Ratio | Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present |
(numerator.exists() and denominator.exists()) or (numerator.empty() and denominator.empty() and extension.exists())
|
This structure is derived from Ratio
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Ratio |
C | 0..* | Ratio | A ratio of two Quantity values - a numerator and a denominator Constraints: rat-1 |
| numerator |
ΣC | 1..1 | Quantity | Numerator value Binding: Unit of Measurement (required) |
| extension |
1..1 | Coding | The Comparator Extension URL: http://ema.europa.eu/fhir/extension/comparator Slice: Unordered, Open by value:url Binding: Quantity Operator (required) | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 1..1 | code | < | <= | >= | > | ad - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. |
| unit |
Σ | 1..1 | string | Unit representation |
| denominator |
ΣC | 1..1 | SimpleQuantity(5.0.0) | Denominator value Binding: Units of Presentation (required) |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| unit |
Σ | 1..1 | string | Unit representation |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Ratio.numerator | Base | required | Unit of Measurement | 📦1.2.1 | This IG |
| Ratio.numerator.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
| Ratio.denominator | Base | required | Units of Presentation | 📦1.2.1 | This IG |
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()
|
| rat-1 | error | Ratio | Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present |
(numerator.exists() and denominator.exists()) or (numerator.empty() and denominator.empty() and extension.exists())
|
Differential View
This structure is derived from Ratio
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Ratio |
0..* | Ratio | A ratio of two Quantity values - a numerator and a denominator | |
| numerator |
1..1 | Quantity | Numerator value Binding: Unit of Measurement (required) | |
| extension |
1..1 | Coding | The Comparator Extension URL: http://ema.europa.eu/fhir/extension/comparator Binding: Quantity Operator (required) | |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| comparator |
1..1 | code | < | <= | >= | > | ad - how to understand the value | |
| unit |
1..1 | string | Unit representation | |
| denominator |
1..1 | SimpleQuantity(5.0.0) | Denominator value Binding: Units of Presentation (required) | |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| unit |
1..1 | string | Unit representation | |
| Documentation for this format | ||||
Terminology Bindings (Differential)
| Path | Status | Usage | ValueSet | Version | Source |
| Ratio.numerator | Base | required | Unit of Measurement | 📦1.2.1 | This IG |
| Ratio.denominator | Base | required | Units of Presentation | 📦1.2.1 | This IG |
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Ratio |
C | 0..* | Ratio | A ratio of two Quantity values - a numerator and a denominator Constraints: rat-1 |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| numerator |
ΣC | 1..1 | Quantity | Numerator value Binding: Unit of Measurement (required) |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
1..1 | Coding | The Comparator Extension URL: http://ema.europa.eu/fhir/extension/comparator Slice: Unordered, Open by value:url Binding: Quantity Operator (required) | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 1..1 | code | < | <= | >= | > | ad - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented. |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 0..1 | uri | System that defines coded unit form |
| code |
ΣC | 0..1 | code | Coded form of the unit |
| denominator |
ΣC | 1..1 | SimpleQuantity(5.0.0) | Denominator value Binding: Units of Presentation (required) |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| unit |
Σ | 1..1 | string | Unit representation |
| system |
ΣC | 0..1 | uri | System that defines coded unit form |
| code |
ΣC | 0..1 | code | Coded form of the unit |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Ratio.numerator | Base | required | Unit of Measurement | 📦1.2.1 | This IG |
| Ratio.numerator.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
| Ratio.denominator | Base | required | Units of Presentation | 📦1.2.1 | This IG |
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()
|
| rat-1 | error | Ratio | Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present |
(numerator.exists() and denominator.exists()) or (numerator.empty() and denominator.empty() and extension.exists())
|
This structure is derived from Ratio
Other representations of profile: CSV, Excel, Schematron