| Official URL: https://gematik.de/fhir/epa-medication/StructureDefinition/epa-medication-unique-identifier | Version: 1.0.5-ballot.1 | |||
| Draft as of 2025-02-14 | Computable Name: EPAMedicationUniqueIdentifier | |||
This unique identifier is generated within the Medication Service. It is either a hash derived from a specific set of data elements of the Medication resource or a direct repetition of a single data element. This identifier ensures the distinct identification of Medication resources across the ePA system.
Usage:
Description of Profiles, Differentials, Snapshots and how the different presentations work.
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
  Identifier |
0..* | Identifier | An identifier intended for computation ele-1: All FHIR elements must have a @value or children | |
  use |
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . ele-1: All FHIR elements must have a @value or children |
| system |
SΣ | 1..1 | uri | The namespace for the identifier value ele-1: All FHIR elements must have a @value or children Required Pattern: https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier |
 value |
SΣ | 1..1 | string | The value that is unique ele-1: All FHIR elements must have a @value or children Example General: 123456 |
| Documentation for this format | ||||
| Path | Conformance | ValueSet | URI |
| Identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1from the FHIR Standard |
| 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()) |
This structure is derived from Identifier
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Identifier |
Identifier | |||
| system |
S | 1..1 | uri | The namespace for the identifier value Required Pattern: https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier |
| value |
S | 1..1 | string | The value that is unique |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Identifier |
0..* | Identifier | An identifier intended for computation | |
| id |
0..1 | string | Unique id for inter-element referencing | |
 extension |
N | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |
| use |
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . |
 type |
Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. |
| system |
SΣ | 1..1 | uri | The namespace for the identifier value Required Pattern: https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier |
| value |
SΣ | 1..1 | string | The value that is unique Example General: 123456 |
| period |
ΣC | 0..1 | Period | Time period when id is/was valid for use per-1: If present, start SHALL have a lower value than end |
 assigner |
ΣC | 0..1 | Reference(Organization) | Organization that issued id (may be just text) ref-1: SHALL have a contained resource if a local reference is provided |
| Documentation for this format | ||||
| Path | Conformance | ValueSet | URI |
| Identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1from the FHIR Standard | |
| Identifier.type | extensible | Identifier Type Codeshttp://hl7.org/fhir/ValueSet/identifier-typefrom the FHIR Standard |
| 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** elements | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
| per-1 | error | Identifier.period | If present, start SHALL have a lower value than end : start.hasValue().not() or end.hasValue().not() or (start <= end) | |
| ref-1 | error | Identifier.assigner | SHALL have a contained resource if a local reference is provided : reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) |
This structure is derived from Identifier
Key Elements View
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Identifier |
0..* | Identifier | An identifier intended for computation ele-1: All FHIR elements must have a @value or children | |
| use |
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . ele-1: All FHIR elements must have a @value or children |
| system |
SΣ | 1..1 | uri | The namespace for the identifier value ele-1: All FHIR elements must have a @value or children Required Pattern: https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier |
| value |
SΣ | 1..1 | string | The value that is unique ele-1: All FHIR elements must have a @value or children Example General: 123456 |
| Documentation for this format | ||||
| Path | Conformance | ValueSet | URI |
| Identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1from the FHIR Standard |
| 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()) |
Differential View
This structure is derived from Identifier
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Identifier |
Identifier | |||
| system |
S | 1..1 | uri | The namespace for the identifier value Required Pattern: https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier |
| value |
S | 1..1 | string | The value that is unique |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints |
|---|---|---|---|---|
| Identifier |
0..* | Identifier | An identifier intended for computation | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
N | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |
| use |
?!Σ | 0..1 | code | usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known . |
| type |
Σ | 0..1 | CodeableConcept | Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. |
| system |
SΣ | 1..1 | uri | The namespace for the identifier value Required Pattern: https://gematik.de/fhir/epa-medication/sid/epa-medication-unique-identifier |
| value |
SΣ | 1..1 | string | The value that is unique Example General: 123456 |
| period |
ΣC | 0..1 | Period | Time period when id is/was valid for use per-1: If present, start SHALL have a lower value than end |
| assigner |
ΣC | 0..1 | Reference(Organization) | Organization that issued id (may be just text) ref-1: SHALL have a contained resource if a local reference is provided |
| Documentation for this format | ||||
| Path | Conformance | ValueSet | URI |
| Identifier.use | required | IdentifierUsehttp://hl7.org/fhir/ValueSet/identifier-use|4.0.1from the FHIR Standard | |
| Identifier.type | extensible | Identifier Type Codeshttp://hl7.org/fhir/ValueSet/identifier-typefrom the FHIR Standard |
| 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** elements | Must have either extensions or value[x], not both : extension.exists() != value.exists() | |
| per-1 | error | Identifier.period | If present, start SHALL have a lower value than end : start.hasValue().not() or end.hasValue().not() or (start <= end) | |
| ref-1 | error | Identifier.assigner | SHALL have a contained resource if a local reference is provided : reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) |
This structure is derived from Identifier
Other representations of profile: CSV, Excel, Schematron