EHDS Logical Information Models
0.4.0 - draft

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.4.0 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/ and changes regularly. See the Directory of published versions

Logical Model: EHDSConditionObligations - Detailed Descriptions

Draft as of 2026-03-05

Definitions for the EHDSConditionObligations logical model.

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

0. EHDSCondition
Definition

Model for a clinical condition, problem, diagnosis, or other event, situation, or issue that has risen to a level of concern.


Base definition for all types defined in FHIR type system.

ShortCondition modelBase for all types and resources
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSCondition.header
Definition

Basic metadata for this information

ShortBasic metadata for this information
Control1..1
TypeBase
Obligations
    ObligationsActor
    SHALL:able-to-populateProducer
    4. EHDSCondition.header.subject
    Definition

    Patient/subject information

    ShortPatient/subject information
    Control1..1
    Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
    Obligations
      ObligationsActor
      SHALL:able-to-populateProducer
      6. EHDSCondition.header.identifier
      Definition

      Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

      ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
      NoteThis is a business identifier, not a resource identifier (see discussion)
      Control0..*
      TypeIdentifier
      Obligations
        ObligationsActor
        SHOULD:able-to-populateProducer
        8. EHDSCondition.header.author[x]
        Definition

        The author of the condition information.

        ShortThe author of the condition information.
        Control0..*
        TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
        10. EHDSCondition.header.date
        Definition

        Date and optionally time of authoring/issuing

        ShortDate and optionally time of authoring/issuing
        Control0..1
        TypedateTime
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        12. EHDSCondition.header.status
        Definition

        Status of the condition/problem (e.g. active, resolved, inactive, etc)

        ShortStatus of the condition/problem (e.g. active, resolved, inactive, etc)
        Control1..1
        Binding

        HL7 Condition Clinical Status Codes

        TypeCodeableConcept
        Obligations
          ObligationsActor
          SHALL:able-to-populateProducer
          Requirements

          eHN Guideline HDR (v1.1): A.2.6.1.7; PS (v3.4) A.2.2.2.1

          14. EHDSCondition.header.source
          Definition

          Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

          ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
          Control0..1
          TypeCodeableConcept
          16. EHDSCondition.header.language
          Definition

          Language in which the resource is written. Language is expressed by the IETF language tag.

          ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
          Control0..1
          Binding

          BCP 47

          TypeCodeableConcept
          18. EHDSCondition.problem
          Definition

          Code identifying the condition, problem or diagnosis

          ShortCode identifying the condition, problem or diagnosis
          Control1..1
          Binding

          ICD-10, SNOMED CT, ICD-O, Orphacode if rare disease is diagnosed

          TypeCodeableConcept
          Obligations
            ObligationsActor
            SHALL:able-to-populateProducer
            Requirements

            eHN Guideline HDR (v1.1): A.2.6.1.2; PS (v3.4) A.2.2.2.1, A.2.3.1.1

            20. EHDSCondition.onsetDate
            Definition

            Onset date of a problem/condition

            ShortOnset date of a problem/condition
            Control0..1
            TypedateTime
            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
            Obligations
              ObligationsActor
              SHOULD:able-to-populateProducer
              Requirements

              eHN Guideline HDR (v1.1): A.2.6.1.3; PS (v3.4) A.2.2.2.2, A.2.3.1.2

              22. EHDSCondition.endDate
              Definition

              The date or estimated date that the condition resolved or went into remission

              ShortThe date or estimated date that the condition resolved or went into remission
              Control0..1
              TypedateTime
              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
              Obligations
                ObligationsActor
                SHALL:able-to-populateProducer
                Requirements

                eHN Guideline HDR (v1.1): A.2.6.1.4; PS (v3.4) A.2.2.2.3

                24. EHDSCondition.category
                Definition

                Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).

                ShortCategory or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
                Control0..*
                TypeCodeableConcept
                Requirements

                eHN Guideline HDR (v1.1): A.2.6.1.5

                26. 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).

                ShortDescribes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
                Control0..1
                Typestring
                Primitive ValueThis 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

                28. EHDSCondition.severity
                Definition

                A subjective assessment of the severity of the condition as evaluated by the clinician.

                ShortA subjective assessment of the severity of the condition as evaluated by the clinician.
                Control0..1
                Binding

                HL7 Condition/Diagnosis Severity; SNOMED CT

                TypeCodeableConcept
                Requirements

                eHN Guideline HDR (v1.1): A.2.6.1.9

                30. EHDSCondition.bodySite
                Definition

                The anatomical location including laterality where this condition manifests itself.

                ShortThe anatomical location including laterality where this condition manifests itself.
                Control0..*
                Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
                Obligations
                  ObligationsActor
                  SHOULD:able-to-populateProducer
                  Requirements

                  eHN Guideline HDR (v1.1): A.2.6.1.2

                  32. EHDSCondition.stage
                  Definition

                  Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.

                  ShortStage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
                  Control0..*
                  Binding

                  e.g. TNM, ICD-O-3, Bi-Rads, Li-Rads, …

                  TypeCodeableConcept
                  Requirements

                  eHN Guideline HDR (v1.1): A.2.6.1.10

                  34. EHDSCondition.diagnosisAssertionStatus
                  Definition

                  Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.

                  ShortAssertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
                  Control0..1
                  Binding

                  HL7 Condition Verification Status

                  TypeCodeableConcept
                  Requirements

                  eHN Guideline PS (v3.4) A.2.3.1.3

                  36. EHDSCondition.specialistContact
                  Definition

                  Health Professional who may be specifically related to the problem, as a preferred contact.

                  ShortHealth Professional who may be specifically related to the problem, as a preferred contact.
                  Control0..*
                  Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional
                  Requirements

                  ISO IPS, MyHealth@EU

                  38. 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.

                  ShortExternal Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
                  Control0..*
                  Typeuri
                  Primitive ValueThis 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
                  Logical ModelInstances of this logical model are not marked to be the target of a Reference
                  2. EHDSCondition.header
                  Obligations
                    ObligationsActor
                    SHALL:able-to-populateProducer
                    4. EHDSCondition.header.subject
                    Obligations
                      ObligationsActor
                      SHALL:able-to-populateProducer
                      6. EHDSCondition.header.identifier
                      NoteThis is a business identifier, not a resource identifier (see discussion)
                      Obligations
                        ObligationsActor
                        SHOULD:able-to-populateProducer
                        8. EHDSCondition.header.status
                        Obligations
                          ObligationsActor
                          SHALL:able-to-populateProducer
                          10. EHDSCondition.problem
                          Obligations
                            ObligationsActor
                            SHALL:able-to-populateProducer
                            12. EHDSCondition.onsetDate
                            Obligations
                              ObligationsActor
                              SHOULD:able-to-populateProducer
                              14. EHDSCondition.endDate
                              Obligations
                                ObligationsActor
                                SHALL:able-to-populateProducer
                                16. EHDSCondition.bodySite
                                Obligations
                                  ObligationsActor
                                  SHOULD:able-to-populateProducer

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

                                  0. EHDSCondition
                                  Definition

                                  Model for a clinical condition, problem, diagnosis, or other event, situation, or issue that has risen to a level of concern.

                                  ShortCondition model
                                  Control0..*
                                  Is Modifierfalse
                                  Logical ModelInstances of this logical model are not marked to be the target of a Reference
                                  2. EHDSCondition.header
                                  Definition

                                  Basic metadata for this information

                                  ShortBasic metadata for this information
                                  Control1..1
                                  TypeBase
                                  Obligations
                                    ObligationsActor
                                    SHALL:able-to-populateProducer
                                    4. EHDSCondition.header.subject
                                    Definition

                                    Patient/subject information

                                    ShortPatient/subject information
                                    Control1..1
                                    Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
                                    Obligations
                                      ObligationsActor
                                      SHALL:able-to-populateProducer
                                      6. EHDSCondition.header.identifier
                                      Definition

                                      Business identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).

                                      ShortBusiness identifier for the object, unique within its system. Supporting disambiguation between different contexts (systems/countries).
                                      NoteThis is a business identifier, not a resource identifier (see discussion)
                                      Control0..*
                                      TypeIdentifier
                                      Obligations
                                        ObligationsActor
                                        SHOULD:able-to-populateProducer
                                        8. EHDSCondition.header.author[x]
                                        Definition

                                        The author of the condition information.

                                        ShortThe author of the condition information.
                                        Control0..*
                                        TypeChoice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDevice
                                        [x] NoteSeeChoice of Data Typesfor further information about how to use [x]
                                        10. EHDSCondition.header.date
                                        Definition

                                        Date and optionally time of authoring/issuing

                                        ShortDate and optionally time of authoring/issuing
                                        Control0..1
                                        TypedateTime
                                        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                        12. EHDSCondition.header.status
                                        Definition

                                        Status of the condition/problem (e.g. active, resolved, inactive, etc)

                                        ShortStatus of the condition/problem (e.g. active, resolved, inactive, etc)
                                        Control1..1
                                        Binding

                                        HL7 Condition Clinical Status Codes

                                        TypeCodeableConcept
                                        Obligations
                                          ObligationsActor
                                          SHALL:able-to-populateProducer
                                          Requirements

                                          eHN Guideline HDR (v1.1): A.2.6.1.7; PS (v3.4) A.2.2.2.1

                                          14. EHDSCondition.header.source
                                          Definition

                                          Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.

                                          ShortSource of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
                                          Control0..1
                                          TypeCodeableConcept
                                          16. EHDSCondition.header.language
                                          Definition

                                          Language in which the resource is written. Language is expressed by the IETF language tag.

                                          ShortLanguage in which the resource is written. Language is expressed by the IETF language tag.
                                          Control0..1
                                          Binding

                                          BCP 47

                                          TypeCodeableConcept
                                          18. EHDSCondition.problem
                                          Definition

                                          Code identifying the condition, problem or diagnosis

                                          ShortCode identifying the condition, problem or diagnosis
                                          Control1..1
                                          Binding

                                          ICD-10, SNOMED CT, ICD-O, Orphacode if rare disease is diagnosed

                                          TypeCodeableConcept
                                          Obligations
                                            ObligationsActor
                                            SHALL:able-to-populateProducer
                                            Requirements

                                            eHN Guideline HDR (v1.1): A.2.6.1.2; PS (v3.4) A.2.2.2.1, A.2.3.1.1

                                            20. EHDSCondition.onsetDate
                                            Definition

                                            Onset date of a problem/condition

                                            ShortOnset date of a problem/condition
                                            Control0..1
                                            TypedateTime
                                            Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                            Obligations
                                              ObligationsActor
                                              SHOULD:able-to-populateProducer
                                              Requirements

                                              eHN Guideline HDR (v1.1): A.2.6.1.3; PS (v3.4) A.2.2.2.2, A.2.3.1.2

                                              22. EHDSCondition.endDate
                                              Definition

                                              The date or estimated date that the condition resolved or went into remission

                                              ShortThe date or estimated date that the condition resolved or went into remission
                                              Control0..1
                                              TypedateTime
                                              Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                              Obligations
                                                ObligationsActor
                                                SHALL:able-to-populateProducer
                                                Requirements

                                                eHN Guideline HDR (v1.1): A.2.6.1.4; PS (v3.4) A.2.2.2.3

                                                24. EHDSCondition.category
                                                Definition

                                                Category or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).

                                                ShortCategory or categories of the problem (e.g. POA - present on admission, HAC - hospital aquired condition, and other categorisations).
                                                Control0..*
                                                TypeCodeableConcept
                                                Requirements

                                                eHN Guideline HDR (v1.1): A.2.6.1.5

                                                26. 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).

                                                ShortDescribes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
                                                Control0..1
                                                Typestring
                                                Primitive ValueThis 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

                                                28. EHDSCondition.severity
                                                Definition

                                                A subjective assessment of the severity of the condition as evaluated by the clinician.

                                                ShortA subjective assessment of the severity of the condition as evaluated by the clinician.
                                                Control0..1
                                                Binding

                                                HL7 Condition/Diagnosis Severity; SNOMED CT

                                                TypeCodeableConcept
                                                Requirements

                                                eHN Guideline HDR (v1.1): A.2.6.1.9

                                                30. EHDSCondition.bodySite
                                                Definition

                                                The anatomical location including laterality where this condition manifests itself.

                                                ShortThe anatomical location including laterality where this condition manifests itself.
                                                Control0..*
                                                Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSBodyStructure
                                                Obligations
                                                  ObligationsActor
                                                  SHOULD:able-to-populateProducer
                                                  Requirements

                                                  eHN Guideline HDR (v1.1): A.2.6.1.2

                                                  32. EHDSCondition.stage
                                                  Definition

                                                  Stage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.

                                                  ShortStage/grade usually assessed formally using a specific staging/grading system. Multiple assessment systems could be used.
                                                  Control0..*
                                                  Binding

                                                  e.g. TNM, ICD-O-3, Bi-Rads, Li-Rads, …

                                                  TypeCodeableConcept
                                                  Requirements

                                                  eHN Guideline HDR (v1.1): A.2.6.1.10

                                                  34. EHDSCondition.diagnosisAssertionStatus
                                                  Definition

                                                  Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.

                                                  ShortAssertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition.
                                                  Control0..1
                                                  Binding

                                                  HL7 Condition Verification Status

                                                  TypeCodeableConcept
                                                  Requirements

                                                  eHN Guideline PS (v3.4) A.2.3.1.3

                                                  36. EHDSCondition.specialistContact
                                                  Definition

                                                  Health Professional who may be specifically related to the problem, as a preferred contact.

                                                  ShortHealth Professional who may be specifically related to the problem, as a preferred contact.
                                                  Control0..*
                                                  Typehttp://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional
                                                  Requirements

                                                  ISO IPS, MyHealth@EU

                                                  38. 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.

                                                  ShortExternal Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
                                                  Control0..*
                                                  Typeuri
                                                  Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
                                                  Requirements

                                                  MyHealth@EU