EHDS Logical Information Models
0.1.0 - ci-build

EHDS Logical Information Models, published by Xt-EHR. 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/Xt-EHR/xt-ehr-common/tree/stakeholder-consultation-D7-3 and changes regularly. See the Directory of published versions

## Logical Model: EHDSAlert - Detailed Descriptions

Draft as of 2025-08-25

Definitions for the EHDSAlert logical model.

- Key Elements Table
- Differential Elements Table
- Snapshot Elements Table

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSAlert
Definition | Alert flag Base definition for all types defined in FHIR type system.
Short | Alert modelBase for all types and resources
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAlert.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSAlert.header.subject
Definition | Patient/subject information
Short | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAlert.header.identifier
Definition | Business identifier for the object
Short | Business identifier for the object
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSAlert.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSAlert.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author
Control | 1..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSAlert.header.authorship.datetime
Definition | Date and time of the issuing the document/resource by its author.
Short | Date and time of authoring/issuing
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSAlert.header.lastUpdate
Definition | Date and time of the last update to the document/information
Short | Date and time of the last update to the resource
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAlert.header.status
Definition | Status of the resource
Short | Status of the resource
Control | 1..1
Type | CodeableConcept
18. EHDSAlert.header.statusReason[x]
Definition | Reason for the current status of the resource.
Short | Reason for the current status of the resource.
Control | 0..1
Type | Choice of: CodeableConcept, string
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAlert.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSAlert.header.version
Definition | Business version of the resource.
Short | Version
Note | This is a business version Id, not a resource version Id (see discussion)
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
24. EHDSAlert.presentedForm
Definition | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSAlert.text
Definition | A human-readable narrative that contains a summary of the flag and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Example 1: intolerance to aspirin due to gastrointestinal bleeding. Example 2: intolerance to captopril because of cough (the patient is not allergic but can't tolerate it because of persistent cough) Example 3: the patient has a rare disease that requires special treatment Example 4: Airway Alert / Difficult Intubation Example 5: Diagnoses such as malignant hyperthermia, porphyria, and bleeding disorders; special treatments like anticoagulants or immunosuppressants; implanted devices. Example 6: transplanted organs illustrate other information that has to be taken into account in a healthcare contact. Example 7: participation in a clinical trial that has to be taken into account in a healthcare contact.
Short | Text
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
28. EHDSAlert.priority
Definition | A code that identifies the priority of the alert.
Short | Priority
Control | 0..*
Binding | hl7:Flag-priority-code
Type | CodeableConcept
30. EHDSAlert.status
Definition | Current status of the flag, Indicates whether this flag is active and needs to be displayed to a user, or whether it is no longer needed or was entered in error.
Short | Status
Control | 0..1
Binding | hl7:Flag-status
Type | CodeableConcept
32. EHDSAlert.code
Definition | A coded or textual representation of the flag.
Short | Code
Control | 1..1
Binding | SNOMED CT
Type | CodeableConcept
34. EHDSAlert.period
Definition | Time period when flag is active. The period of time from the activation of the flag to inactivation of the flag. If the flag is active, the end of the period should be unspecified.
Short | Period
Control | 0..1
Type | Period

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSAlert
Definition | Alert flag
Short | Alert model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAlert.text
Definition | A human-readable narrative that contains a summary of the flag and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Example 1: intolerance to aspirin due to gastrointestinal bleeding. Example 2: intolerance to captopril because of cough (the patient is not allergic but can't tolerate it because of persistent cough) Example 3: the patient has a rare disease that requires special treatment Example 4: Airway Alert / Difficult Intubation Example 5: Diagnoses such as malignant hyperthermia, porphyria, and bleeding disorders; special treatments like anticoagulants or immunosuppressants; implanted devices. Example 6: transplanted organs illustrate other information that has to be taken into account in a healthcare contact. Example 7: participation in a clinical trial that has to be taken into account in a healthcare contact.
Short | Text
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
4. EHDSAlert.priority
Definition | A code that identifies the priority of the alert.
Short | Priority
Control | 0..*
Binding | hl7:Flag-priority-code
Type | CodeableConcept
6. EHDSAlert.status
Definition | Current status of the flag, Indicates whether this flag is active and needs to be displayed to a user, or whether it is no longer needed or was entered in error.
Short | Status
Control | 0..1
Binding | hl7:Flag-status
Type | CodeableConcept
8. EHDSAlert.code
Definition | A coded or textual representation of the flag.
Short | Code
Control | 1..1
Binding | SNOMED CT
Type | CodeableConcept
10. EHDSAlert.period
Definition | Time period when flag is active. The period of time from the activation of the flag to inactivation of the flag. If the flag is active, the end of the period should be unspecified.
Short | Period
Control | 0..1
Type | Period

Guidance on how to interpret the contents of this table can be foundhere

0. EHDSAlert
Definition | Alert flag
Short | Alert model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSAlert.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSAlert.header.subject
Definition | Patient/subject information
Short | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSAlert.header.identifier
Definition | Business identifier for the object
Short | Business identifier for the object
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 0..*
Type | Identifier
8. EHDSAlert.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSAlert.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author
Control | 1..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganisation, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDevice
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSAlert.header.authorship.datetime
Definition | Date and time of the issuing the document/resource by its author.
Short | Date and time of authoring/issuing
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSAlert.header.lastUpdate
Definition | Date and time of the last update to the document/information
Short | Date and time of the last update to the resource
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSAlert.header.status
Definition | Status of the resource
Short | Status of the resource
Control | 1..1
Type | CodeableConcept
18. EHDSAlert.header.statusReason[x]
Definition | Reason for the current status of the resource.
Short | Reason for the current status of the resource.
Control | 0..1
Type | Choice of: CodeableConcept, string
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
20. EHDSAlert.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSAlert.header.version
Definition | Business version of the resource.
Short | Version
Note | This is a business version Id, not a resource version Id (see discussion)
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
24. EHDSAlert.presentedForm
Definition | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Short | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAttachment
26. EHDSAlert.text
Definition | A human-readable narrative that contains a summary of the flag and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Example 1: intolerance to aspirin due to gastrointestinal bleeding. Example 2: intolerance to captopril because of cough (the patient is not allergic but can't tolerate it because of persistent cough) Example 3: the patient has a rare disease that requires special treatment Example 4: Airway Alert / Difficult Intubation Example 5: Diagnoses such as malignant hyperthermia, porphyria, and bleeding disorders; special treatments like anticoagulants or immunosuppressants; implanted devices. Example 6: transplanted organs illustrate other information that has to be taken into account in a healthcare contact. Example 7: participation in a clinical trial that has to be taken into account in a healthcare contact.
Short | Text
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
28. EHDSAlert.priority
Definition | A code that identifies the priority of the alert.
Short | Priority
Control | 0..*
Binding | hl7:Flag-priority-code
Type | CodeableConcept
30. EHDSAlert.status
Definition | Current status of the flag, Indicates whether this flag is active and needs to be displayed to a user, or whether it is no longer needed or was entered in error.
Short | Status
Control | 0..1
Binding | hl7:Flag-status
Type | CodeableConcept
32. EHDSAlert.code
Definition | A coded or textual representation of the flag.
Short | Code
Control | 1..1
Binding | SNOMED CT
Type | CodeableConcept
34. EHDSAlert.period
Definition | Time period when flag is active. The period of time from the activation of the flag to inactivation of the flag. If the flag is active, the end of the period should be unspecified.
Short | Period
Control | 0..1
Type | Period