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-D6-1 and changes regularly. See the Directory of published versions

## Logical Model: Condition model

Official URL: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition | Version: 0.1.0
Draft as of 2025-07-08 | Computable Name: EHDSCondition

Health conditions affecting the health of the patient and are important to be known for a health professional during a health encounter.

Usages:

- Use this Logical Model: Device use model, Functional status, Medication administration model, Medication prescription model... Show 2 more, Patient summary model and Procedure model
- Refer to this Logical Model: Encounter model, Episode of care model and Service request model

### Views of Logical Model

Description of Differentials, Snapshots and how the different presentations work.

- Differential Table
- Snapshot Table

This structure is derived from EHDSDataSet

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSCondition |  | 0..* | EHDSDataSet | Elements defined in Ancestors:header, presentedForm Condition model Instances of this logical model can be the target of a Reference
problem |  | 1..1 | CodeableConcept | Identification of the condition, problem or diagnosis. Coded values are preferable, but text should be accepted. Binding Description: (preferred): 1.3.6.1.4.1.12559.11.10.1.3.1.42.5 eHDSIIllnessandDisorder (ICD-10, used in MH@EU); 1.3.6.1.4.1.12559.11.10.1.3.1.42.63 eHDSIRareDisease (OrphaCodes, used in MH@EU); ICD-11; SNOMED CT
diagnosisAssertionStatus |  | 0..1 | CodeableConcept | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition. Binding Description: (example): 1.3.6.1.4.1.12559.11.10.1.3.1.42.64 eHDSICertainty (HL7, used in MH@EU); http://hl7.org/fhir/ValueSet/condition-ver-status (HL7, required in HL7 FHIR)
onsetDate |  | 0..1 | dateTime | Date of problem onset
endDate |  | 0..1 | dateTime | Problem resolution date
resolutionCircumstances |  | 0..1 | string | Describes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
problemStatus |  | 0..1 | CodeableConcept | The clinical status of the condition Binding Description: (preferred): 1.3.6.1.4.1.12559.11.10.1.3.1.42.15 eHDSIStatusCode (SCT, used in MH@EU); http://hl7.org/fhir/ValueSet/condition-clinical (HL7, required in HL7 FHIR)
severity |  | 0..1 | CodeableConcept | Subjective assessment of the severity of the condition. Binding Description: (preferred): 1.3.6.1.4.1.12559.11.10.1.3.1.42.13 eHDSISeverity (SCT, used in MH@EU); http://hl7.org/fhir/ValueSet/condition-severity (SCT, Preferred in HL7 FHIR); Basic 3-Value Severity Scale Value: Mild-Moderate-Severe http://id.who.int/icd/entity/681697550 (ICD-11)
specialistContact |  | 0..* | EHDSHealthProfessional | Health Professional who may be specifically related to the problem, as a preferred contact.
externalResourceRelatedWith |  | 0..* | uri | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Documentation for this format

#### Terminology Bindings (Differential)

Path | Conformance | ValueSet | URI
EHDSCondition.problem | preferred |
EHDSCondition.diagnosisAssertionStatus | example |
EHDSCondition.problemStatus | preferred |
EHDSCondition.severity | preferred |

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSCondition |  | 0..* | EHDSDataSet | Elements defined in Ancestors:header, presentedForm Condition model Instances of this logical model can be the target of a Reference
header |  | 1..1 | Base | Common header for all patient-related data
subject |  | 1..1 | EHDSPatient | Subject
identifier |  | 0..* | Identifier | Business identifier for the object
authorship |  | 1..* | Base | Authorship
author[x] |  | 1..1 |  | Author
authorEHDSHealthProfessional |  |  | EHDSHealthProfessional |
authorEHDSOrganisation |  |  | EHDSOrganisation |
authorEHDSDevice |  |  | EHDSDevice |
datetime |  | 1..1 | dateTime | Date and time of authoring/issuing
lastUpdate |  | 0..1 | dateTime | Date and time of the last update to the resource
status |  | 1..1 | CodeableConcept | Status of the resource
statusReason[x] |  | 0..1 |  | Reason for the current status of the resource.
statusReasonCodeableConcept |  |  | CodeableConcept |
statusReasonString |  |  | string |
language |  | 0..1 | CodeableConcept | Language Binding Description: (preferred): BCP 47
version |  | 0..1 | string | Version
presentedForm |  | 0..* | EHDSAttachment | A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
problem |  | 1..1 | CodeableConcept | Identification of the condition, problem or diagnosis. Coded values are preferable, but text should be accepted. Binding Description: (preferred): 1.3.6.1.4.1.12559.11.10.1.3.1.42.5 eHDSIIllnessandDisorder (ICD-10, used in MH@EU); 1.3.6.1.4.1.12559.11.10.1.3.1.42.63 eHDSIRareDisease (OrphaCodes, used in MH@EU); ICD-11; SNOMED CT
diagnosisAssertionStatus |  | 0..1 | CodeableConcept | Assertion about the certainty associated with a diagnosis. Diagnostic and/or clinical evidence of condition. Binding Description: (example): 1.3.6.1.4.1.12559.11.10.1.3.1.42.64 eHDSICertainty (HL7, used in MH@EU); http://hl7.org/fhir/ValueSet/condition-ver-status (HL7, required in HL7 FHIR)
onsetDate |  | 0..1 | dateTime | Date of problem onset
endDate |  | 0..1 | dateTime | Problem resolution date
resolutionCircumstances |  | 0..1 | string | Describes the reason for which the status of the problem changed from current to inactive (e.g. surgical procedure, medical treatment, etc.).
problemStatus |  | 0..1 | CodeableConcept | The clinical status of the condition Binding Description: (preferred): 1.3.6.1.4.1.12559.11.10.1.3.1.42.15 eHDSIStatusCode (SCT, used in MH@EU); http://hl7.org/fhir/ValueSet/condition-clinical (HL7, required in HL7 FHIR)
severity |  | 0..1 | CodeableConcept | Subjective assessment of the severity of the condition. Binding Description: (preferred): 1.3.6.1.4.1.12559.11.10.1.3.1.42.13 eHDSISeverity (SCT, used in MH@EU); http://hl7.org/fhir/ValueSet/condition-severity (SCT, Preferred in HL7 FHIR); Basic 3-Value Severity Scale Value: Mild-Moderate-Severe http://id.who.int/icd/entity/681697550 (ICD-11)
specialistContact |  | 0..* | EHDSHealthProfessional | Health Professional who may be specifically related to the problem, as a preferred contact.
externalResourceRelatedWith |  | 0..* | uri | External Resource which may be specifically related to the problem, for example a link between a rare disease problem and the corresponding guidelines.
Documentation for this format

#### Terminology Bindings

Path | Conformance | ValueSet | URI
EHDSCondition.header.language | preferred |
EHDSCondition.problem | preferred |
EHDSCondition.diagnosisAssertionStatus | example |
EHDSCondition.problemStatus | preferred |
EHDSCondition.severity | preferred |

Other representations of model: CSV, Excel