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: Laboratory order body model

Official URL: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSLaboratoryOrderBody Version: 0.1.0
Draft as of 2025-07-25 Computable Name: EHDSLaboratoryOrderBody

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

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

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

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSLaboratoryOrderBody 0..* Base Laboratory order body model
Instances of this logical model can be the target of a Reference
... orderInformation 0..* Base Order Information
.... orderId 1..* Identifier An identifier of the laboratory test order.
.... orderDateAndTime 0..1 dateTime Date and time of the order placement.
.... orderText 0..1 string A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
.... orderPlacer[x] 0..1 The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
..... orderPlacerEHDSHealthProfessional EHDSHealthProfessional
..... orderPlacerEHDSOrganisation EHDSOrganisation
..... orderPlacerEHDSPatient EHDSPatient
.... orderReasonText 0..* string An explanation or justification for why this service is being requested in textual form.
.... orderReason[x] 0..* An explanation or justification for why this service is being requested in coded or structured form.
Binding Description: (preferred): SNOMED CT
..... orderReasonCodeableConcept CodeableConcept
..... orderReasonEHDSCondition EHDSCondition
..... orderReasonEHDSObservation EHDSObservation
.... clinicalQuestion 0..1 string Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
... encounter 0..1 Reference(Encounter model) An encounter that provides additional information about the healthcare context in which this order is made.
... supportingInformation 0..1 Base 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.
.... observation 0..* EHDSObservation Clinical findings and other observations.
.... condition 0..* EHDSCondition Condition that may influence the service or result interpretation.
.... medicationAdministration 0..* EHDSMedicationAdministration Medication administered before ordering the service.
.... sexForClinicalUse 0..* CodeableConcept 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
Binding Description: (preferred): HL7 sex-parameter-for-clinical-use
.... vaccination 0..* EHDSImmunisation Vaccination history of the patient.
.... otherSupportingInformation 0..* Resource Any other type of relevant supporting information
... serviceRequests 0..* EHDSServiceRequest Specification of requested service or services
... allergy 0..* EHDSAllergyIntolerance Allergies and intolerances that may affect order execution or interpretation of results
... alerts 0..* EHDSAlert Alerts and warnings that may affect order execution or interpretation of results
... appointment 0..1 EHDSAppointment Information about the appointment (if the appointment has been booked)

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
EHDSLaboratoryOrderBody.orderInformation.orderReason[x]preferred
EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUsepreferred

This structure is derived from Base

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSLaboratoryOrderBody 0..* Base Laboratory order body model
Instances of this logical model can be the target of a Reference
... orderInformation 0..* Base Order Information
.... orderId 1..* Identifier An identifier of the laboratory test order.
.... orderDateAndTime 0..1 dateTime Date and time of the order placement.
.... orderText 0..1 string A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
.... orderPlacer[x] 0..1 The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
..... orderPlacerEHDSHealthProfessional EHDSHealthProfessional
..... orderPlacerEHDSOrganisation EHDSOrganisation
..... orderPlacerEHDSPatient EHDSPatient
.... orderReasonText 0..* string An explanation or justification for why this service is being requested in textual form.
.... orderReason[x] 0..* An explanation or justification for why this service is being requested in coded or structured form.
Binding Description: (preferred): SNOMED CT
..... orderReasonCodeableConcept CodeableConcept
..... orderReasonEHDSCondition EHDSCondition
..... orderReasonEHDSObservation EHDSObservation
.... clinicalQuestion 0..1 string Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
... encounter 0..1 Reference(Encounter model) An encounter that provides additional information about the healthcare context in which this order is made.
... supportingInformation 0..1 Base 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.
.... observation 0..* EHDSObservation Clinical findings and other observations.
.... condition 0..* EHDSCondition Condition that may influence the service or result interpretation.
.... medicationAdministration 0..* EHDSMedicationAdministration Medication administered before ordering the service.
.... sexForClinicalUse 0..* CodeableConcept 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
Binding Description: (preferred): HL7 sex-parameter-for-clinical-use
.... vaccination 0..* EHDSImmunisation Vaccination history of the patient.
.... otherSupportingInformation 0..* Resource Any other type of relevant supporting information
... serviceRequests 0..* EHDSServiceRequest Specification of requested service or services
... allergy 0..* EHDSAllergyIntolerance Allergies and intolerances that may affect order execution or interpretation of results
... alerts 0..* EHDSAlert Alerts and warnings that may affect order execution or interpretation of results
... appointment 0..1 EHDSAppointment Information about the appointment (if the appointment has been booked)

doco Documentation for this format

Terminology Bindings (Differential)

PathConformanceValueSetURI
EHDSLaboratoryOrderBody.orderInformation.orderReason[x]preferred
EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUsepreferred
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSLaboratoryOrderBody 0..* Base Laboratory order body model
Instances of this logical model can be the target of a Reference
... orderInformation 0..* Base Order Information
.... orderId 1..* Identifier An identifier of the laboratory test order.
.... orderDateAndTime 0..1 dateTime Date and time of the order placement.
.... orderText 0..1 string A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
.... orderPlacer[x] 0..1 The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
..... orderPlacerEHDSHealthProfessional EHDSHealthProfessional
..... orderPlacerEHDSOrganisation EHDSOrganisation
..... orderPlacerEHDSPatient EHDSPatient
.... orderReasonText 0..* string An explanation or justification for why this service is being requested in textual form.
.... orderReason[x] 0..* An explanation or justification for why this service is being requested in coded or structured form.
Binding Description: (preferred): SNOMED CT
..... orderReasonCodeableConcept CodeableConcept
..... orderReasonEHDSCondition EHDSCondition
..... orderReasonEHDSObservation EHDSObservation
.... clinicalQuestion 0..1 string Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
... encounter 0..1 Reference(Encounter model) An encounter that provides additional information about the healthcare context in which this order is made.
... supportingInformation 0..1 Base 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.
.... observation 0..* EHDSObservation Clinical findings and other observations.
.... condition 0..* EHDSCondition Condition that may influence the service or result interpretation.
.... medicationAdministration 0..* EHDSMedicationAdministration Medication administered before ordering the service.
.... sexForClinicalUse 0..* CodeableConcept 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
Binding Description: (preferred): HL7 sex-parameter-for-clinical-use
.... vaccination 0..* EHDSImmunisation Vaccination history of the patient.
.... otherSupportingInformation 0..* Resource Any other type of relevant supporting information
... serviceRequests 0..* EHDSServiceRequest Specification of requested service or services
... allergy 0..* EHDSAllergyIntolerance Allergies and intolerances that may affect order execution or interpretation of results
... alerts 0..* EHDSAlert Alerts and warnings that may affect order execution or interpretation of results
... appointment 0..1 EHDSAppointment Information about the appointment (if the appointment has been booked)

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
EHDSLaboratoryOrderBody.orderInformation.orderReason[x]preferred
EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUsepreferred

This structure is derived from Base

Summary

Mandatory: 0 element(1 nested mandatory element)

Structures

This structure refers to these other structures:

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSLaboratoryOrderBody 0..* Base Laboratory order body model
Instances of this logical model can be the target of a Reference
... orderInformation 0..* Base Order Information
.... orderId 1..* Identifier An identifier of the laboratory test order.
.... orderDateAndTime 0..1 dateTime Date and time of the order placement.
.... orderText 0..1 string A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
.... orderPlacer[x] 0..1 The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
..... orderPlacerEHDSHealthProfessional EHDSHealthProfessional
..... orderPlacerEHDSOrganisation EHDSOrganisation
..... orderPlacerEHDSPatient EHDSPatient
.... orderReasonText 0..* string An explanation or justification for why this service is being requested in textual form.
.... orderReason[x] 0..* An explanation or justification for why this service is being requested in coded or structured form.
Binding Description: (preferred): SNOMED CT
..... orderReasonCodeableConcept CodeableConcept
..... orderReasonEHDSCondition EHDSCondition
..... orderReasonEHDSObservation EHDSObservation
.... clinicalQuestion 0..1 string Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
... encounter 0..1 Reference(Encounter model) An encounter that provides additional information about the healthcare context in which this order is made.
... supportingInformation 0..1 Base 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.
.... observation 0..* EHDSObservation Clinical findings and other observations.
.... condition 0..* EHDSCondition Condition that may influence the service or result interpretation.
.... medicationAdministration 0..* EHDSMedicationAdministration Medication administered before ordering the service.
.... sexForClinicalUse 0..* CodeableConcept 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
Binding Description: (preferred): HL7 sex-parameter-for-clinical-use
.... vaccination 0..* EHDSImmunisation Vaccination history of the patient.
.... otherSupportingInformation 0..* Resource Any other type of relevant supporting information
... serviceRequests 0..* EHDSServiceRequest Specification of requested service or services
... allergy 0..* EHDSAllergyIntolerance Allergies and intolerances that may affect order execution or interpretation of results
... alerts 0..* EHDSAlert Alerts and warnings that may affect order execution or interpretation of results
... appointment 0..1 EHDSAppointment Information about the appointment (if the appointment has been booked)

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
EHDSLaboratoryOrderBody.orderInformation.orderReason[x]preferred
EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUsepreferred

Differential View

This structure is derived from Base

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSLaboratoryOrderBody 0..* Base Laboratory order body model
Instances of this logical model can be the target of a Reference
... orderInformation 0..* Base Order Information
.... orderId 1..* Identifier An identifier of the laboratory test order.
.... orderDateAndTime 0..1 dateTime Date and time of the order placement.
.... orderText 0..1 string A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
.... orderPlacer[x] 0..1 The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
..... orderPlacerEHDSHealthProfessional EHDSHealthProfessional
..... orderPlacerEHDSOrganisation EHDSOrganisation
..... orderPlacerEHDSPatient EHDSPatient
.... orderReasonText 0..* string An explanation or justification for why this service is being requested in textual form.
.... orderReason[x] 0..* An explanation or justification for why this service is being requested in coded or structured form.
Binding Description: (preferred): SNOMED CT
..... orderReasonCodeableConcept CodeableConcept
..... orderReasonEHDSCondition EHDSCondition
..... orderReasonEHDSObservation EHDSObservation
.... clinicalQuestion 0..1 string Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
... encounter 0..1 Reference(Encounter model) An encounter that provides additional information about the healthcare context in which this order is made.
... supportingInformation 0..1 Base 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.
.... observation 0..* EHDSObservation Clinical findings and other observations.
.... condition 0..* EHDSCondition Condition that may influence the service or result interpretation.
.... medicationAdministration 0..* EHDSMedicationAdministration Medication administered before ordering the service.
.... sexForClinicalUse 0..* CodeableConcept 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
Binding Description: (preferred): HL7 sex-parameter-for-clinical-use
.... vaccination 0..* EHDSImmunisation Vaccination history of the patient.
.... otherSupportingInformation 0..* Resource Any other type of relevant supporting information
... serviceRequests 0..* EHDSServiceRequest Specification of requested service or services
... allergy 0..* EHDSAllergyIntolerance Allergies and intolerances that may affect order execution or interpretation of results
... alerts 0..* EHDSAlert Alerts and warnings that may affect order execution or interpretation of results
... appointment 0..1 EHDSAppointment Information about the appointment (if the appointment has been booked)

doco Documentation for this format

Terminology Bindings (Differential)

PathConformanceValueSetURI
EHDSLaboratoryOrderBody.orderInformation.orderReason[x]preferred
EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUsepreferred

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSLaboratoryOrderBody 0..* Base Laboratory order body model
Instances of this logical model can be the target of a Reference
... orderInformation 0..* Base Order Information
.... orderId 1..* Identifier An identifier of the laboratory test order.
.... orderDateAndTime 0..1 dateTime Date and time of the order placement.
.... orderText 0..1 string A verbal description of the order or any supplementary requirements specific to each type of order, if they cannot be expressed formally.
.... orderPlacer[x] 0..1 The person/organisation "authorised" to place the order. Order placer could be either a health professional, health professional organisation or the patient himself.
..... orderPlacerEHDSHealthProfessional EHDSHealthProfessional
..... orderPlacerEHDSOrganisation EHDSOrganisation
..... orderPlacerEHDSPatient EHDSPatient
.... orderReasonText 0..* string An explanation or justification for why this service is being requested in textual form.
.... orderReason[x] 0..* An explanation or justification for why this service is being requested in coded or structured form.
Binding Description: (preferred): SNOMED CT
..... orderReasonCodeableConcept CodeableConcept
..... orderReasonEHDSCondition EHDSCondition
..... orderReasonEHDSObservation EHDSObservation
.... clinicalQuestion 0..1 string Specification of clinical question (goal of the investigation) to be answered by the laboratory investigation.
... encounter 0..1 Reference(Encounter model) An encounter that provides additional information about the healthcare context in which this order is made.
... supportingInformation 0..1 Base 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.
.... observation 0..* EHDSObservation Clinical findings and other observations.
.... condition 0..* EHDSCondition Condition that may influence the service or result interpretation.
.... medicationAdministration 0..* EHDSMedicationAdministration Medication administered before ordering the service.
.... sexForClinicalUse 0..* CodeableConcept 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
Binding Description: (preferred): HL7 sex-parameter-for-clinical-use
.... vaccination 0..* EHDSImmunisation Vaccination history of the patient.
.... otherSupportingInformation 0..* Resource Any other type of relevant supporting information
... serviceRequests 0..* EHDSServiceRequest Specification of requested service or services
... allergy 0..* EHDSAllergyIntolerance Allergies and intolerances that may affect order execution or interpretation of results
... alerts 0..* EHDSAlert Alerts and warnings that may affect order execution or interpretation of results
... appointment 0..1 EHDSAppointment Information about the appointment (if the appointment has been booked)

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
EHDSLaboratoryOrderBody.orderInformation.orderReason[x]preferred
EHDSLaboratoryOrderBody.supportingInformation.sexForClinicalUsepreferred

This structure is derived from Base

Summary

Mandatory: 0 element(1 nested mandatory element)

Structures

This structure refers to these other structures:

 

Other representations of profile: CSV, Excel