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 Duration
| Official URL: http://ema.europa.eu/fhir/StructureDefinition/emaDuration | Version: 1.2.1 | |||
| Draft as of 2026-06-26 | Computable Name: EmaDuration | |||
EMA Duration
Usages:
- Use this DataType Profile: EMA Write API PackagedProductDefinition
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:   |
|---|---|---|---|---|
  Duration |
C | 0..* | Duration | A length of time Constraints: drt-1, qty-3 |
  extension |
1..1 | EmaCoding | The Package Shelf Life Duration Extension URL: http://ema.europa.eu/fhir/extension/codedUnit Slice: Unordered, Open by value:url | |
 value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 0..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 Required Pattern: http://unitsofmeasure.org |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Duration.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| drt-1 | error | Duration | There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM. |
code.exists() implies ((system = %ucum) and value.exists())
|
| 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()
|
| qty-3 | error | Duration | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
This structure is derived from Duration
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Duration |
0..* | Duration | A length of time | |
| extension |
1..1 | EmaCoding | The Package Shelf Life Duration Extension URL: http://ema.europa.eu/fhir/extension/codedUnit | |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| unit |
1..1 | string | Unit representation | |
| system |
0..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org | |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Duration |
C | 0..* | Duration | A length of time Constraints: drt-1, qty-3 |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
1..1 | EmaCoding | The Package Shelf Life Duration Extension URL: http://ema.europa.eu/fhir/extension/codedUnit Slice: Unordered, Open by value:url | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 0..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 Required Pattern: http://unitsofmeasure.org |
| code |
ΣC | 0..1 | code | Coded form of the unit |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Duration.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| drt-1 | error | Duration | There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM. |
code.exists() implies ((system = %ucum) and value.exists())
|
| 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()
|
| qty-3 | error | Duration | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
This structure is derived from Duration
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Duration |
C | 0..* | Duration | A length of time Constraints: drt-1, qty-3 |
| extension |
1..1 | EmaCoding | The Package Shelf Life Duration Extension URL: http://ema.europa.eu/fhir/extension/codedUnit Slice: Unordered, Open by value:url | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 0..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 Required Pattern: http://unitsofmeasure.org |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Duration.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| drt-1 | error | Duration | There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM. |
code.exists() implies ((system = %ucum) and value.exists())
|
| 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()
|
| qty-3 | error | Duration | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
Differential View
This structure is derived from Duration
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Duration |
0..* | Duration | A length of time | |
| extension |
1..1 | EmaCoding | The Package Shelf Life Duration Extension URL: http://ema.europa.eu/fhir/extension/codedUnit | |
| value |
1..1 | decimal | Numerical value (with implicit precision) | |
| unit |
1..1 | string | Unit representation | |
| system |
0..1 | uri | System that defines coded unit form Required Pattern: http://unitsofmeasure.org | |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Duration |
C | 0..* | Duration | A length of time Constraints: drt-1, qty-3 |
| id |
0..1 | id | Unique id for inter-element referencing | |
| extension |
1..1 | EmaCoding | The Package Shelf Life Duration Extension URL: http://ema.europa.eu/fhir/extension/codedUnit Slice: Unordered, Open by value:url | |
| value |
Σ | 1..1 | decimal | Numerical value (with implicit precision) |
| comparator |
?!Σ | 0..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 Required Pattern: http://unitsofmeasure.org |
| code |
ΣC | 0..1 | code | Coded form of the unit |
| Documentation for this format | ||||
Terminology Bindings
| Path | Status | Usage | ValueSet | Version | Source |
| Duration.comparator | Base | required | QuantityComparator | 📍5.0.0 | FHIR Std. |
Constraints
| Id | Grade | Path(s) | Description | Expression |
| drt-1 | error | Duration | There SHALL be a code if there is a value and it SHALL be an expression of time. If system is present, it SHALL be UCUM. |
code.exists() implies ((system = %ucum) and value.exists())
|
| 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()
|
| qty-3 | error | Duration | If a code for the unit is present, the system SHALL also be present |
code.empty() or system.exists()
|
This structure is derived from Duration
Other representations of profile: CSV, Excel, Schematron