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: EHDSCondition - Detailed Descriptions

Draft as of 2025-08-25

Definitions for the EHDSCondition 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. EHDSCondition
Definition | EHDS refined base model for a clinical condition, problem, diagnosis, or other event, situation, issue, or clinical concept that has risen to a level of concern. Base definition for all types defined in FHIR type system.
Short | Condition 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. EHDSCondition.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSCondition.header.subject
Definition | Patient/subject information
Short | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSCondition.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. EHDSCondition.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSCondition.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. EHDSCondition.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. EHDSCondition.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. EHDSCondition.header.status
Definition | Status of the resource
Short | Status of the resource
Control | 1..1
Type | CodeableConcept
18. EHDSCondition.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. EHDSCondition.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. EHDSCondition.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. EHDSCondition.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. EHDSCondition.problem
Definition | Code identifying the condition, problem or diagnosis
Short | Code identifying the condition, problem or diagnosis
Control | 1..1
Binding | ICD-10, SNOMED CT, ICD-O, Orphacode if rare disease is diagnosed
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.2; PS (v3.4) A.2.2.2.1, A.2.3.1.1
28. EHDSCondition.onsetDate
Definition | Onset date of a problem/condition
Short | Onset date of a problem/condition
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.3; PS (v3.4) A.2.2.2.2, A.2.3.1.2
30. EHDSCondition.endDate
Definition | The date or estimated date that the condition resolved or went into remission
Short | The date or estimated date that the condition resolved or went into remission
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.4; PS (v3.4) A.2.2.2.3
32. EHDSCondition.category
Definition | Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
Short | Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
Control | 0..*
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.5
34. EHDSCondition.problemStatus
Definition | Status of the condition/problem (active, resolved, inactive, ...)
Short | Status of the condition/problem (active, resolved, inactive, ...)
Control | 0..1
Binding | HL7 Condition Clinical Status Codes
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.7; PS (v3.4) A.2.2.2.1
36. EHDSCondition.resolutionCircumstances
Definition | This field includes free text if the resolution circumstances are not already included in other fields such as surgical procedure, medical device, etc., e.g. hepatic cystectomy (this will be the resolution circumstances for the problem "hepatic cyst" and will be included in surgical procedures).
Short | Describes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.8; PS (v3.4) A.2.2.2.4
38. EHDSCondition.severity
Definition | A subjective assessment of the severity of the condition as evaluated by the clinician.
Short | A subjective assessment of the severity of the condition as evaluated by the clinician.
Control | 0..1
Binding | HL7 Condition/Diagnosis Severity; SNOMED CT
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.9
40. EHDSCondition.anatomicLocation
Definition | The anatomical location including laterality where this condition manifests itself.
Short | The anatomical location including laterality where this condition manifests itself.
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.2
42. EHDSCondition.stage
Definition | Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
Short | Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
Control | 0..*
Binding | e.g. TNM, ICD-O-3, Bi-Rads, Li-Rads, …
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.10
44. EHDSCondition.diagnosisAssertionStatus
Definition | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
Short | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
Control | 0..1
Binding | HL7 Condition Verification Status
Type | CodeableConcept
Requirements | eHN Guideline PS (v3.4) A.2.3.1.3
46. EHDSCondition.asserter
Definition | The asserter of the condition
Short | The asserter of the condition
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
48. EHDSCondition.assertedDate
Definition | Date and time of the diagnosis assertion
Short | Date and time of the diagnosis assertion
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
50. EHDSCondition.specialistContact
Definition | Health Professional who may be specifically related to the problem, as a preferred contact.
Short | Health Professional who may be specifically related to the problem, as a preferred contact.
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
Requirements | ISO IPS, MyHealth@EU
52. EHDSCondition.externalResource
Definition | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Short | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Control | 0..*
Type | uri
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | MyHealth@EU

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

0. EHDSCondition
Definition | EHDS refined base model for a clinical condition, problem, diagnosis, or other event, situation, issue, or clinical concept that has risen to a level of concern.
Short | Condition model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSCondition.problem
Definition | Code identifying the condition, problem or diagnosis
Short | Code identifying the condition, problem or diagnosis
Control | 1..1
Binding | ICD-10, SNOMED CT, ICD-O, Orphacode if rare disease is diagnosed
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.2; PS (v3.4) A.2.2.2.1, A.2.3.1.1
4. EHDSCondition.onsetDate
Definition | Onset date of a problem/condition
Short | Onset date of a problem/condition
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.3; PS (v3.4) A.2.2.2.2, A.2.3.1.2
6. EHDSCondition.endDate
Definition | The date or estimated date that the condition resolved or went into remission
Short | The date or estimated date that the condition resolved or went into remission
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.4; PS (v3.4) A.2.2.2.3
8. EHDSCondition.category
Definition | Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
Short | Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
Control | 0..*
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.5
10. EHDSCondition.problemStatus
Definition | Status of the condition/problem (active, resolved, inactive, ...)
Short | Status of the condition/problem (active, resolved, inactive, ...)
Control | 0..1
Binding | HL7 Condition Clinical Status Codes
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.7; PS (v3.4) A.2.2.2.1
12. EHDSCondition.resolutionCircumstances
Definition | This field includes free text if the resolution circumstances are not already included in other fields such as surgical procedure, medical device, etc., e.g. hepatic cystectomy (this will be the resolution circumstances for the problem "hepatic cyst" and will be included in surgical procedures).
Short | Describes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.8; PS (v3.4) A.2.2.2.4
14. EHDSCondition.severity
Definition | A subjective assessment of the severity of the condition as evaluated by the clinician.
Short | A subjective assessment of the severity of the condition as evaluated by the clinician.
Control | 0..1
Binding | HL7 Condition/Diagnosis Severity; SNOMED CT
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.9
16. EHDSCondition.anatomicLocation
Definition | The anatomical location including laterality where this condition manifests itself.
Short | The anatomical location including laterality where this condition manifests itself.
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.2
18. EHDSCondition.stage
Definition | Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
Short | Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
Control | 0..*
Binding | e.g. TNM, ICD-O-3, Bi-Rads, Li-Rads, …
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.10
20. EHDSCondition.diagnosisAssertionStatus
Definition | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
Short | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
Control | 0..1
Binding | HL7 Condition Verification Status
Type | CodeableConcept
Requirements | eHN Guideline PS (v3.4) A.2.3.1.3
22. EHDSCondition.asserter
Definition | The asserter of the condition
Short | The asserter of the condition
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
24. EHDSCondition.assertedDate
Definition | Date and time of the diagnosis assertion
Short | Date and time of the diagnosis assertion
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
26. EHDSCondition.specialistContact
Definition | Health Professional who may be specifically related to the problem, as a preferred contact.
Short | Health Professional who may be specifically related to the problem, as a preferred contact.
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
Requirements | ISO IPS, MyHealth@EU
28. EHDSCondition.externalResource
Definition | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Short | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Control | 0..*
Type | uri
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | MyHealth@EU

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

0. EHDSCondition
Definition | EHDS refined base model for a clinical condition, problem, diagnosis, or other event, situation, issue, or clinical concept that has risen to a level of concern.
Short | Condition model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSCondition.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSCondition.header.subject
Definition | Patient/subject information
Short | Subject
Control | 1..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
6. EHDSCondition.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. EHDSCondition.header.authorship
Definition | Resource authoring details
Short | Authorship
Control | 1..*
Type | Base
10. EHDSCondition.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. EHDSCondition.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. EHDSCondition.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. EHDSCondition.header.status
Definition | Status of the resource
Short | Status of the resource
Control | 1..1
Type | CodeableConcept
18. EHDSCondition.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. EHDSCondition.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. EHDSCondition.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. EHDSCondition.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. EHDSCondition.problem
Definition | Code identifying the condition, problem or diagnosis
Short | Code identifying the condition, problem or diagnosis
Control | 1..1
Binding | ICD-10, SNOMED CT, ICD-O, Orphacode if rare disease is diagnosed
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.2; PS (v3.4) A.2.2.2.1, A.2.3.1.1
28. EHDSCondition.onsetDate
Definition | Onset date of a problem/condition
Short | Onset date of a problem/condition
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.3; PS (v3.4) A.2.2.2.2, A.2.3.1.2
30. EHDSCondition.endDate
Definition | The date or estimated date that the condition resolved or went into remission
Short | The date or estimated date that the condition resolved or went into remission
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.4; PS (v3.4) A.2.2.2.3
32. EHDSCondition.category
Definition | Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
Short | Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
Control | 0..*
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.5
34. EHDSCondition.problemStatus
Definition | Status of the condition/problem (active, resolved, inactive, ...)
Short | Status of the condition/problem (active, resolved, inactive, ...)
Control | 0..1
Binding | HL7 Condition Clinical Status Codes
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.7; PS (v3.4) A.2.2.2.1
36. EHDSCondition.resolutionCircumstances
Definition | This field includes free text if the resolution circumstances are not already included in other fields such as surgical procedure, medical device, etc., e.g. hepatic cystectomy (this will be the resolution circumstances for the problem "hepatic cyst" and will be included in surgical procedures).
Short | Describes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.8; PS (v3.4) A.2.2.2.4
38. EHDSCondition.severity
Definition | A subjective assessment of the severity of the condition as evaluated by the clinician.
Short | A subjective assessment of the severity of the condition as evaluated by the clinician.
Control | 0..1
Binding | HL7 Condition/Diagnosis Severity; SNOMED CT
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.9
40. EHDSCondition.anatomicLocation
Definition | The anatomical location including laterality where this condition manifests itself.
Short | The anatomical location including laterality where this condition manifests itself.
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSBodyStructure
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.2
42. EHDSCondition.stage
Definition | Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
Short | Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
Control | 0..*
Binding | e.g. TNM, ICD-O-3, Bi-Rads, Li-Rads, …
Type | CodeableConcept
Requirements | eHN Guideline HDR (v1.1): A.2.6.1.10
44. EHDSCondition.diagnosisAssertionStatus
Definition | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
Short | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
Control | 0..1
Binding | HL7 Condition Verification Status
Type | CodeableConcept
Requirements | eHN Guideline PS (v3.4) A.2.3.1.3
46. EHDSCondition.asserter
Definition | The asserter of the condition
Short | The asserter of the condition
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
48. EHDSCondition.assertedDate
Definition | Date and time of the diagnosis assertion
Short | Date and time of the diagnosis assertion
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
50. EHDSCondition.specialistContact
Definition | Health Professional who may be specifically related to the problem, as a preferred contact.
Short | Health Professional who may be specifically related to the problem, as a preferred contact.
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional
Requirements | ISO IPS, MyHealth@EU
52. EHDSCondition.externalResource
Definition | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Short | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Control | 0..*
Type | uri
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
Requirements | MyHealth@EU