EHDS Logical Information Models
0.2.1 - qa-preview

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.2.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/costateixeira/xt-ehr-common/ and changes regularly. See the Directory of published versions

## Logical Model: EHDSInfectiousContact - Detailed Descriptions

Draft as of 2025-12-03

Definitions for the EHDSInfectiousContact 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. EHDSInfectiousContact
Definition | EHDS refined base model for an infectious contact Base definition for all types defined in FHIR type system.
Short | Infectious contact 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. EHDSInfectiousContact.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSInfectiousContact.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSInfectiousContact.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. EHDSInfectiousContact.header.authorship
Definition | Resource authoring details
Short | Resource authoring details
Control | 1..*
Type | Base
10. EHDSInfectiousContact.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Control | 1..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSInfectiousContact.header.authorship.datetime
Definition | Date and time of authoring/issuing
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. EHDSInfectiousContact.header.lastUpdate
Definition | Date and time of the last update to the resource (may be used for technical corrections).
Short | Date and time of the last update to the resource (may be used for technical corrections).
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSInfectiousContact.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Type | CodeableConcept
18. EHDSInfectiousContact.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. EHDSInfectiousContact.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language in which the resource is written. Language is expressed by the IETF language tag.
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSInfectiousContact.infectiousAgent
Definition | Information about a suspected infectious agent or agents the person was exposed to.
Short | Information about a suspected infectious agent or agents the person was exposed to.
Control | 0..*
Binding | ICD-10, SNOMED CT
Type | CodeableConcept
24. EHDSInfectiousContact.timePeriod[x]
Definition | A date and duration or date time interval of contact. Partial dates are allowed.
Short | A date and duration or date time interval of contact. Partial dates are allowed.
Control | 0..1
Type | Choice of: dateTime, Period
[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
26. EHDSInfectiousContact.proximity[x]
Definition | Proximity to the source/carrier of the infectious agent during exposure. Proximity could be expressed by text, code (direct, indirect) or value specifying distance from the infectious agent carrier.
Short | Proximity to the source/carrier of the infectious agent during exposure. Proximity could be expressed by text, code (direct, indirect) or value specifying distance from the infectious agent carrier.
Control | 0..1
Type | Choice of: CodeableConcept, Quantity
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
28. EHDSInfectiousContact.country
Definition | Country in which the person was potentially exposed to an infectious agent.
Short | Country in which the person was potentially exposed to an infectious agent.
Control | 0..1
Binding | ISO 3166-1 alpha-2
Type | CodeableConcept
30. EHDSInfectiousContact.note
Definition | A textual note with additional information about infectious contact.
Short | A textual note with additional information about infectious contact.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension

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

0. EHDSInfectiousContact
Definition | EHDS refined base model for an infectious contact
Short | Infectious contact model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSInfectiousContact.infectiousAgent
Definition | Information about a suspected infectious agent or agents the person was exposed to.
Short | Information about a suspected infectious agent or agents the person was exposed to.
Control | 0..*
Binding | ICD-10, SNOMED CT
Type | CodeableConcept
4. EHDSInfectiousContact.timePeriod[x]
Definition | A date and duration or date time interval of contact. Partial dates are allowed.
Short | A date and duration or date time interval of contact. Partial dates are allowed.
Control | 0..1
Type | Choice of: dateTime, Period
[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
6. EHDSInfectiousContact.proximity[x]
Definition | Proximity to the source/carrier of the infectious agent during exposure. Proximity could be expressed by text, code (direct, indirect) or value specifying distance from the infectious agent carrier.
Short | Proximity to the source/carrier of the infectious agent during exposure. Proximity could be expressed by text, code (direct, indirect) or value specifying distance from the infectious agent carrier.
Control | 0..1
Type | Choice of: CodeableConcept, Quantity
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
8. EHDSInfectiousContact.country
Definition | Country in which the person was potentially exposed to an infectious agent.
Short | Country in which the person was potentially exposed to an infectious agent.
Control | 0..1
Binding | ISO 3166-1 alpha-2
Type | CodeableConcept
10. EHDSInfectiousContact.note
Definition | A textual note with additional information about infectious contact.
Short | A textual note with additional information about infectious contact.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension

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

0. EHDSInfectiousContact
Definition | EHDS refined base model for an infectious contact
Short | Infectious contact model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSInfectiousContact.header
Definition | Common header for all patient-related data
Short | Common header for all patient-related data
Control | 1..1
Type | Base
4. EHDSInfectiousContact.header.subject
Definition | Patient/subject information
Short | Patient/subject information
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSInfectiousContact.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. EHDSInfectiousContact.header.authorship
Definition | Resource authoring details
Short | Resource authoring details
Control | 1..*
Type | Base
10. EHDSInfectiousContact.header.authorship.author[x]
Definition | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Short | Author(s) by whom the resource was/were authored. Multiple authors could be provided.
Control | 1..1
Type | Choice 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] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSInfectiousContact.header.authorship.datetime
Definition | Date and time of authoring/issuing
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. EHDSInfectiousContact.header.lastUpdate
Definition | Date and time of the last update to the resource (may be used for technical corrections).
Short | Date and time of the last update to the resource (may be used for technical corrections).
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
16. EHDSInfectiousContact.header.status
Definition | Status of the resource or document
Short | Status of the resource or document
Control | 1..1
Type | CodeableConcept
18. EHDSInfectiousContact.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. EHDSInfectiousContact.header.language
Definition | Language in which the resource is written. Language is expressed by the IETF language tag.
Short | Language in which the resource is written. Language is expressed by the IETF language tag.
Control | 0..1
Binding | BCP 47
Type | CodeableConcept
22. EHDSInfectiousContact.infectiousAgent
Definition | Information about a suspected infectious agent or agents the person was exposed to.
Short | Information about a suspected infectious agent or agents the person was exposed to.
Control | 0..*
Binding | ICD-10, SNOMED CT
Type | CodeableConcept
24. EHDSInfectiousContact.timePeriod[x]
Definition | A date and duration or date time interval of contact. Partial dates are allowed.
Short | A date and duration or date time interval of contact. Partial dates are allowed.
Control | 0..1
Type | Choice of: dateTime, Period
[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
26. EHDSInfectiousContact.proximity[x]
Definition | Proximity to the source/carrier of the infectious agent during exposure. Proximity could be expressed by text, code (direct, indirect) or value specifying distance from the infectious agent carrier.
Short | Proximity to the source/carrier of the infectious agent during exposure. Proximity could be expressed by text, code (direct, indirect) or value specifying distance from the infectious agent carrier.
Control | 0..1
Type | Choice of: CodeableConcept, Quantity
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
28. EHDSInfectiousContact.country
Definition | Country in which the person was potentially exposed to an infectious agent.
Short | Country in which the person was potentially exposed to an infectious agent.
Control | 0..1
Binding | ISO 3166-1 alpha-2
Type | CodeableConcept
30. EHDSInfectiousContact.note
Definition | A textual note with additional information about infectious contact.
Short | A textual note with additional information about infectious contact.
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension