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/main and changes regularly. See the Directory of published versions

Logical Model: EHDSLaboratoryOrderBody - Detailed Descriptions

Draft as of 2025-07-25

Definitions for the EHDSLaboratoryOrderBody logical model.

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

0. EHDSLaboratoryOrderBody
Definition

B.1 - EHDS refined base model for Laboratory order body


Base definition for all types defined in FHIR type system.

ShortLaboratory order body 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. EHDSLaboratoryOrderBody.orderInformation
Definition

Order Information

ShortOrder Information
Control0..*
TypeBase
4. EHDSLaboratoryOrderBody.orderInformation.orderId
Definition

An identifier of the laboratory test order.

ShortAn identifier of the laboratory test order.
Control1..*
TypeIdentifier
6. EHDSLaboratoryOrderBody.orderInformation.orderDateAndTime
Definition

Date and time of the order placement.

ShortDate and time of the order placement.
Control0..1
TypedateTime
Primitive ValueThis 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.

ShortA verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
10. EHDSLaboratoryOrderBody.orderInformation.orderPlacer[x]
Definition

The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.

ShortThe person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
Control0..1
TypeChoice 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/EHDSPatient
[x] NoteSeeChoice 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.

ShortAn explanation or justification for why this service is being requested in textual form.
Control0..*
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
14. EHDSLaboratoryOrderBody.orderInformation.orderReason[x]
Definition

An explanation or justification for why this service is being requested in coded or structured form.

ShortAn explanation or justification for why this service is being requested in coded or structured form.
Control0..*
Binding

SNOMED CT

TypeChoice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
16. EHDSLaboratoryOrderBody.orderInformation.clinicalQuestion
Definition

Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.

ShortSpecification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
18. EHDSLaboratoryOrderBody.encounter
Definition

An encounter that provides additional information about the healthcare context in which this order is made.

ShortAn encounter that provides additional information about the healthcare context in which this order is made.
Control0..1
TypeReference(Encounter model)
20. 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.

ShortAdditional 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.
Control0..1
TypeBase
22. EHDSLaboratoryOrderBody.supportingInformation.observation
Definition

Clinical findings and other observations.

ShortClinical findings and other observations.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
24. EHDSLaboratoryOrderBody.supportingInformation.condition
Definition

Condition that may influence the service or result interpretation.

ShortCondition that may influence the service or result interpretation.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition
26. EHDSLaboratoryOrderBody.supportingInformation.medicationAdministration
Definition

Medication administered before ordering the service.

ShortMedication administered before ordering the service.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration
28. 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

ShortA 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
Control0..*
Binding

HL7 sex-parameter-for-clinical-use

TypeCodeableConcept
30. EHDSLaboratoryOrderBody.supportingInformation.vaccination
Definition

Vaccination history of the patient.

ShortVaccination history of the patient.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImmunisation
32. EHDSLaboratoryOrderBody.supportingInformation.otherSupportingInformation
Definition

Any other type of relevant supporting information

ShortAny other type of relevant supporting information
Control0..*
TypeResource
34. EHDSLaboratoryOrderBody.specimen
Definition

Specimen information

ShortSpecimen information
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen
36. EHDSLaboratoryOrderBody.serviceRequests
Definition

Specification of requested service or services

ShortSpecification of requested service or services
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSLaboratoryOrderBody.allergy
Definition

Allergies and intolerances that may affect order execution or interpretation of results

ShortAllergies and intolerances that may affect order execution or interpretation of results
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAllergyIntolerance
40. EHDSLaboratoryOrderBody.alerts
Definition

Alerts and warnings that may affect order execution or interpretation of results

ShortAlerts and warnings that may affect order execution or interpretation of results
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAlert
42. EHDSLaboratoryOrderBody.appointment
Definition

Information about the appointment (if the appointment has been booked)

ShortInformation about the appointment (if the appointment has been booked)
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAppointment

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

0. EHDSLaboratoryOrderBody
Definition

B.1 - EHDS refined base model for Laboratory order body

ShortLaboratory order body model
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSLaboratoryOrderBody.orderInformation
Definition

Order Information

ShortOrder Information
Control0..*
TypeBase
4. EHDSLaboratoryOrderBody.orderInformation.orderId
Definition

An identifier of the laboratory test order.

ShortAn identifier of the laboratory test order.
Control1..*
TypeIdentifier
6. EHDSLaboratoryOrderBody.orderInformation.orderDateAndTime
Definition

Date and time of the order placement.

ShortDate and time of the order placement.
Control0..1
TypedateTime
Primitive ValueThis 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.

ShortA verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
10. EHDSLaboratoryOrderBody.orderInformation.orderPlacer[x]
Definition

The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.

ShortThe person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
Control0..1
TypeChoice 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/EHDSPatient
[x] NoteSeeChoice 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.

ShortAn explanation or justification for why this service is being requested in textual form.
Control0..*
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
14. EHDSLaboratoryOrderBody.orderInformation.orderReason[x]
Definition

An explanation or justification for why this service is being requested in coded or structured form.

ShortAn explanation or justification for why this service is being requested in coded or structured form.
Control0..*
Binding

SNOMED CT

TypeChoice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
16. EHDSLaboratoryOrderBody.orderInformation.clinicalQuestion
Definition

Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.

ShortSpecification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
18. EHDSLaboratoryOrderBody.encounter
Definition

An encounter that provides additional information about the healthcare context in which this order is made.

ShortAn encounter that provides additional information about the healthcare context in which this order is made.
Control0..1
TypeReference(Encounter model)
20. 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.

ShortAdditional 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.
Control0..1
TypeBase
22. EHDSLaboratoryOrderBody.supportingInformation.observation
Definition

Clinical findings and other observations.

ShortClinical findings and other observations.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
24. EHDSLaboratoryOrderBody.supportingInformation.condition
Definition

Condition that may influence the service or result interpretation.

ShortCondition that may influence the service or result interpretation.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition
26. EHDSLaboratoryOrderBody.supportingInformation.medicationAdministration
Definition

Medication administered before ordering the service.

ShortMedication administered before ordering the service.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration
28. 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

ShortA 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
Control0..*
Binding

HL7 sex-parameter-for-clinical-use

TypeCodeableConcept
30. EHDSLaboratoryOrderBody.supportingInformation.vaccination
Definition

Vaccination history of the patient.

ShortVaccination history of the patient.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImmunisation
32. EHDSLaboratoryOrderBody.supportingInformation.otherSupportingInformation
Definition

Any other type of relevant supporting information

ShortAny other type of relevant supporting information
Control0..*
TypeResource
34. EHDSLaboratoryOrderBody.specimen
Definition

Specimen information

ShortSpecimen information
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen
36. EHDSLaboratoryOrderBody.serviceRequests
Definition

Specification of requested service or services

ShortSpecification of requested service or services
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSLaboratoryOrderBody.allergy
Definition

Allergies and intolerances that may affect order execution or interpretation of results

ShortAllergies and intolerances that may affect order execution or interpretation of results
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAllergyIntolerance
40. EHDSLaboratoryOrderBody.alerts
Definition

Alerts and warnings that may affect order execution or interpretation of results

ShortAlerts and warnings that may affect order execution or interpretation of results
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAlert
42. EHDSLaboratoryOrderBody.appointment
Definition

Information about the appointment (if the appointment has been booked)

ShortInformation about the appointment (if the appointment has been booked)
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAppointment

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

0. EHDSLaboratoryOrderBody
Definition

B.1 - EHDS refined base model for Laboratory order body

ShortLaboratory order body model
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
2. EHDSLaboratoryOrderBody.orderInformation
Definition

Order Information

ShortOrder Information
Control0..*
TypeBase
4. EHDSLaboratoryOrderBody.orderInformation.orderId
Definition

An identifier of the laboratory test order.

ShortAn identifier of the laboratory test order.
Control1..*
TypeIdentifier
6. EHDSLaboratoryOrderBody.orderInformation.orderDateAndTime
Definition

Date and time of the order placement.

ShortDate and time of the order placement.
Control0..1
TypedateTime
Primitive ValueThis 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.

ShortA verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
10. EHDSLaboratoryOrderBody.orderInformation.orderPlacer[x]
Definition

The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.

ShortThe person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
Control0..1
TypeChoice 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/EHDSPatient
[x] NoteSeeChoice 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.

ShortAn explanation or justification for why this service is being requested in textual form.
Control0..*
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
14. EHDSLaboratoryOrderBody.orderInformation.orderReason[x]
Definition

An explanation or justification for why this service is being requested in coded or structured form.

ShortAn explanation or justification for why this service is being requested in coded or structured form.
Control0..*
Binding

SNOMED CT

TypeChoice of: CodeableConcept, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition, https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
[x] NoteSeeChoice of Data Typesfor further information about how to use [x]
16. EHDSLaboratoryOrderBody.orderInformation.clinicalQuestion
Definition

Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.

ShortSpecification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
Control0..1
Typestring
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
18. EHDSLaboratoryOrderBody.encounter
Definition

An encounter that provides additional information about the healthcare context in which this order is made.

ShortAn encounter that provides additional information about the healthcare context in which this order is made.
Control0..1
TypeReference(Encounter model)
20. 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.

ShortAdditional 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.
Control0..1
TypeBase
22. EHDSLaboratoryOrderBody.supportingInformation.observation
Definition

Clinical findings and other observations.

ShortClinical findings and other observations.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSObservation
24. EHDSLaboratoryOrderBody.supportingInformation.condition
Definition

Condition that may influence the service or result interpretation.

ShortCondition that may influence the service or result interpretation.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSCondition
26. EHDSLaboratoryOrderBody.supportingInformation.medicationAdministration
Definition

Medication administered before ordering the service.

ShortMedication administered before ordering the service.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSMedicationAdministration
28. 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

ShortA 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
Control0..*
Binding

HL7 sex-parameter-for-clinical-use

TypeCodeableConcept
30. EHDSLaboratoryOrderBody.supportingInformation.vaccination
Definition

Vaccination history of the patient.

ShortVaccination history of the patient.
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSImmunisation
32. EHDSLaboratoryOrderBody.supportingInformation.otherSupportingInformation
Definition

Any other type of relevant supporting information

ShortAny other type of relevant supporting information
Control0..*
TypeResource
34. EHDSLaboratoryOrderBody.specimen
Definition

Specimen information

ShortSpecimen information
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSSpecimen
36. EHDSLaboratoryOrderBody.serviceRequests
Definition

Specification of requested service or services

ShortSpecification of requested service or services
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSServiceRequest
38. EHDSLaboratoryOrderBody.allergy
Definition

Allergies and intolerances that may affect order execution or interpretation of results

ShortAllergies and intolerances that may affect order execution or interpretation of results
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAllergyIntolerance
40. EHDSLaboratoryOrderBody.alerts
Definition

Alerts and warnings that may affect order execution or interpretation of results

ShortAlerts and warnings that may affect order execution or interpretation of results
Control0..*
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAlert
42. EHDSLaboratoryOrderBody.appointment
Definition

Information about the appointment (if the appointment has been booked)

ShortInformation about the appointment (if the appointment has been booked)
Control0..1
Typehttps://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSAppointment