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-D6-2 and changes regularly. See the Directory of published versions

## Logical Model: EHDSLaboratoryOrderBody - Detailed Descriptions

Draft as of 2025-05-26

Definitions for the EHDSLaboratoryOrderBody logical model.

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

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

0. EHDSLaboratoryOrderBody
Definition | B.1 - EHDS refined base model for Laboratory order body Base definition for all types defined in FHIR type system.
Short | Laboratory order body 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. EHDSLaboratoryOrderBody.orderInformation
Definition | Order Information
Short | B.1.1 - Order information
Control | 0..*
Type | Base
4. EHDSLaboratoryOrderBody.orderInformation.orderId
Definition | An identifier of the laboratory test order.
Short | B.1.1.1 - Order Id
Control | 1..*
Type | Identifier
6. EHDSLaboratoryOrderBody.orderInformation.orderDateAndTime
Definition | Date and time of the order placement.
Short | B.1.1.2 - Order date and time
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
8. EHDSLaboratoryOrderBody.orderInformation.orderText
Definition | A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
Short | B.1.1.3 - Order text
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSLaboratoryOrderBody.orderInformation.orderPlacer[x]
Definition | The person/organization "authorised" to place the order. Order placer could be either a health professional, health professional organization or the patient himself.
Short | B.1.1.3 - Order placer
Control | 0..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganization, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSLaboratoryOrderBody.orderInformation.orderReasonText
Definition | An explanation or justification for why this service is being requested in textual form.
Short | B.1.1.4 - Order reason text
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSLaboratoryOrderBody.orderInformation.orderReason
Definition | An explanation or justification for why this service is being requested in coded form.
Short | B.1.1.5 - Order reason
Control | 0..*
Type | Reference(Condition model, Observation model)
16. EHDSLaboratoryOrderBody.encounter
Definition | An encounter that provides additional information about the healthcare context in which this order is made.
Short | B.1.2 - Encounter
Control | 0..1
Type | Reference(Encounter model)
18. EHDSLaboratoryOrderBody.supportingInformation
Definition | Additional clinical information about the patient or specimen that may influence the services or their interpretations. This information includes diagnosis, clinical findings and other observations. In laboratory ordering these are typically referred to as 'ask at order entry questions (AOEs).' This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example, reporting the amount of inspired oxygen for blood gas measurements.
Short | B.1.3 - Supporting information
Control | 0..1
Type | Base
20. EHDSLaboratoryOrderBody.supportingInformation.observation
Definition | Clinical findings and other observations.
Short | B.1.3.1 - Observation
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
22. EHDSLaboratoryOrderBody.supportingInformation.condition
Definition | Condition that may influence the service or result interpretation.
Short | B.1.3.2 - Condition
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition
24. EHDSLaboratoryOrderBody.supportingInformation.medicationAdministration
Definition | Medication administered before ordering the service.
Short | B.1.3.3 - Medication Administration
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration
26. EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUse
Definition | A Sex Parameter for Clinical Use is a parameter that provides guidance on how a recipient should apply settings or reference ranges that are derived from observable information such as an organ inventory, recent hormone lab tests, genetic testing, menstrual status, obstetric history, etc.. This property is intended for use in clinical decision making, and indicates that treatment or diagnostic tests should consider best practices associated with the relevant reference population
Short | B.1.3.4 - Sex for clinical use
Control | 0..*
Binding | HL7 sex-parameter-for-clinical-use
Type | CodeableConcept
28. EHDSLaboratoryOrderBody.supportingInformation.vaccination
Definition | Vaccination history of the patient.
Short | B.1.3.5 - Vaccination
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImmunization
30. EHDSLaboratoryOrderBody.supportingInformation.otherSupportingInformation
Definition | Any other type of relevant supporting information
Short | B.1.3.6 - Other supporting information
Control | 0..*
Type | Resource
32. EHDSLaboratoryOrderBody.specimen
Definition | Specimen information
Short | B.1.4 - Specimen
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen
34. EHDSLaboratoryOrderBody.serviceRequests
Definition | Specification of requested service or services
Short | B.1.5 - Service requests
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
36. EHDSLaboratoryOrderBody.allergy
Definition | Allergies and intolerances that may affect order execution or interpretation of results
Short | B.1.6 - Allergy
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAllergyIntolerance
38. EHDSLaboratoryOrderBody.alerts
Definition | Alerts and warnings that may affect order execution or interpretation of results
Short | B.1.7 - Alerts
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAlertFlag
40. EHDSLaboratoryOrderBody.appointment
Definition | Information about the appointment (if the appointment has been booked)
Short | B.1.8 - Appointment
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAppointment

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

0. EHDSLaboratoryOrderBody
Definition | B.1 - EHDS refined base model for Laboratory order body
Short | Laboratory order body model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSLaboratoryOrderBody.orderInformation
Definition | Order Information
Short | B.1.1 - Order information
Control | 0..*
Type | Base
4. EHDSLaboratoryOrderBody.orderInformation.orderId
Definition | An identifier of the laboratory test order.
Short | B.1.1.1 - Order Id
Control | 1..*
Type | Identifier
6. EHDSLaboratoryOrderBody.orderInformation.orderDateAndTime
Definition | Date and time of the order placement.
Short | B.1.1.2 - Order date and time
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
8. EHDSLaboratoryOrderBody.orderInformation.orderText
Definition | A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
Short | B.1.1.3 - Order text
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSLaboratoryOrderBody.orderInformation.orderPlacer[x]
Definition | The person/organization "authorised" to place the order. Order placer could be either a health professional, health professional organization or the patient himself.
Short | B.1.1.3 - Order placer
Control | 0..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganization, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSLaboratoryOrderBody.orderInformation.orderReasonText
Definition | An explanation or justification for why this service is being requested in textual form.
Short | B.1.1.4 - Order reason text
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSLaboratoryOrderBody.orderInformation.orderReason
Definition | An explanation or justification for why this service is being requested in coded form.
Short | B.1.1.5 - Order reason
Control | 0..*
Type | Reference(Condition model, Observation model)
16. EHDSLaboratoryOrderBody.encounter
Definition | An encounter that provides additional information about the healthcare context in which this order is made.
Short | B.1.2 - Encounter
Control | 0..1
Type | Reference(Encounter model)
18. EHDSLaboratoryOrderBody.supportingInformation
Definition | Additional clinical information about the patient or specimen that may influence the services or their interpretations. This information includes diagnosis, clinical findings and other observations. In laboratory ordering these are typically referred to as 'ask at order entry questions (AOEs).' This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example, reporting the amount of inspired oxygen for blood gas measurements.
Short | B.1.3 - Supporting information
Control | 0..1
Type | Base
20. EHDSLaboratoryOrderBody.supportingInformation.observation
Definition | Clinical findings and other observations.
Short | B.1.3.1 - Observation
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
22. EHDSLaboratoryOrderBody.supportingInformation.condition
Definition | Condition that may influence the service or result interpretation.
Short | B.1.3.2 - Condition
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition
24. EHDSLaboratoryOrderBody.supportingInformation.medicationAdministration
Definition | Medication administered before ordering the service.
Short | B.1.3.3 - Medication Administration
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration
26. EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUse
Definition | A Sex Parameter for Clinical Use is a parameter that provides guidance on how a recipient should apply settings or reference ranges that are derived from observable information such as an organ inventory, recent hormone lab tests, genetic testing, menstrual status, obstetric history, etc.. This property is intended for use in clinical decision making, and indicates that treatment or diagnostic tests should consider best practices associated with the relevant reference population
Short | B.1.3.4 - Sex for clinical use
Control | 0..*
Binding | HL7 sex-parameter-for-clinical-use
Type | CodeableConcept
28. EHDSLaboratoryOrderBody.supportingInformation.vaccination
Definition | Vaccination history of the patient.
Short | B.1.3.5 - Vaccination
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImmunization
30. EHDSLaboratoryOrderBody.supportingInformation.otherSupportingInformation
Definition | Any other type of relevant supporting information
Short | B.1.3.6 - Other supporting information
Control | 0..*
Type | Resource
32. EHDSLaboratoryOrderBody.specimen
Definition | Specimen information
Short | B.1.4 - Specimen
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen
34. EHDSLaboratoryOrderBody.serviceRequests
Definition | Specification of requested service or services
Short | B.1.5 - Service requests
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
36. EHDSLaboratoryOrderBody.allergy
Definition | Allergies and intolerances that may affect order execution or interpretation of results
Short | B.1.6 - Allergy
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAllergyIntolerance
38. EHDSLaboratoryOrderBody.alerts
Definition | Alerts and warnings that may affect order execution or interpretation of results
Short | B.1.7 - Alerts
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAlertFlag
40. EHDSLaboratoryOrderBody.appointment
Definition | Information about the appointment (if the appointment has been booked)
Short | B.1.8 - Appointment
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAppointment

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

0. EHDSLaboratoryOrderBody
Definition | B.1 - EHDS refined base model for Laboratory order body
Short | Laboratory order body model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSLaboratoryOrderBody.orderInformation
Definition | Order Information
Short | B.1.1 - Order information
Control | 0..*
Type | Base
4. EHDSLaboratoryOrderBody.orderInformation.orderId
Definition | An identifier of the laboratory test order.
Short | B.1.1.1 - Order Id
Control | 1..*
Type | Identifier
6. EHDSLaboratoryOrderBody.orderInformation.orderDateAndTime
Definition | Date and time of the order placement.
Short | B.1.1.2 - Order date and time
Control | 0..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
8. EHDSLaboratoryOrderBody.orderInformation.orderText
Definition | A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
Short | B.1.1.3 - Order text
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
10. EHDSLaboratoryOrderBody.orderInformation.orderPlacer[x]
Definition | The person/organization "authorised" to place the order. Order placer could be either a health professional, health professional organization or the patient himself.
Short | B.1.1.3 - Order placer
Control | 0..1
Type | Choice of: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSHealthProfessional, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSOrganization, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSPatient
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
12. EHDSLaboratoryOrderBody.orderInformation.orderReasonText
Definition | An explanation or justification for why this service is being requested in textual form.
Short | B.1.1.4 - Order reason text
Control | 0..*
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
14. EHDSLaboratoryOrderBody.orderInformation.orderReason
Definition | An explanation or justification for why this service is being requested in coded form.
Short | B.1.1.5 - Order reason
Control | 0..*
Type | Reference(Condition model, Observation model)
16. EHDSLaboratoryOrderBody.encounter
Definition | An encounter that provides additional information about the healthcare context in which this order is made.
Short | B.1.2 - Encounter
Control | 0..1
Type | Reference(Encounter model)
18. EHDSLaboratoryOrderBody.supportingInformation
Definition | Additional clinical information about the patient or specimen that may influence the services or their interpretations. This information includes diagnosis, clinical findings and other observations. In laboratory ordering these are typically referred to as 'ask at order entry questions (AOEs).' This includes observations explicitly requested by the producer (filler) to provide context or supporting information needed to complete the order. For example, reporting the amount of inspired oxygen for blood gas measurements.
Short | B.1.3 - Supporting information
Control | 0..1
Type | Base
20. EHDSLaboratoryOrderBody.supportingInformation.observation
Definition | Clinical findings and other observations.
Short | B.1.3.1 - Observation
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
22. EHDSLaboratoryOrderBody.supportingInformation.condition
Definition | Condition that may influence the service or result interpretation.
Short | B.1.3.2 - Condition
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition
24. EHDSLaboratoryOrderBody.supportingInformation.medicationAdministration
Definition | Medication administered before ordering the service.
Short | B.1.3.3 - Medication Administration
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration
26. EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUse
Definition | A Sex Parameter for Clinical Use is a parameter that provides guidance on how a recipient should apply settings or reference ranges that are derived from observable information such as an organ inventory, recent hormone lab tests, genetic testing, menstrual status, obstetric history, etc.. This property is intended for use in clinical decision making, and indicates that treatment or diagnostic tests should consider best practices associated with the relevant reference population
Short | B.1.3.4 - Sex for clinical use
Control | 0..*
Binding | HL7 sex-parameter-for-clinical-use
Type | CodeableConcept
28. EHDSLaboratoryOrderBody.supportingInformation.vaccination
Definition | Vaccination history of the patient.
Short | B.1.3.5 - Vaccination
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImmunization
30. EHDSLaboratoryOrderBody.supportingInformation.otherSupportingInformation
Definition | Any other type of relevant supporting information
Short | B.1.3.6 - Other supporting information
Control | 0..*
Type | Resource
32. EHDSLaboratoryOrderBody.specimen
Definition | Specimen information
Short | B.1.4 - Specimen
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen
34. EHDSLaboratoryOrderBody.serviceRequests
Definition | Specification of requested service or services
Short | B.1.5 - Service requests
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
36. EHDSLaboratoryOrderBody.allergy
Definition | Allergies and intolerances that may affect order execution or interpretation of results
Short | B.1.6 - Allergy
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAllergyIntolerance
38. EHDSLaboratoryOrderBody.alerts
Definition | Alerts and warnings that may affect order execution or interpretation of results
Short | B.1.7 - Alerts
Control | 0..*
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAlertFlag
40. EHDSLaboratoryOrderBody.appointment
Definition | Information about the appointment (if the appointment has been booked)
Short | B.1.8 - Appointment
Control | 0..1
Type | https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAppointment