EHDS Logical Information Models
0.4.0 - draft

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.4.0 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/ and changes regularly. See the Directory of published versions

## Logical Model: EHDSMedicationPrescription - Detailed Descriptions

Draft as of 2026-02-23

Definitions for the EHDSMedicationPrescription 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. EHDSMedicationPrescription
Definition | Logical model for medication prescription. A prescription contains one or more prescription items (medications). Base definition for all types defined in FHIR type system.
Short | Medication prescription 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. EHDSMedicationPrescription.header
Definition | Prescription header
Short | Prescription header
Control | 1..1
Type | Base
4. EHDSMedicationPrescription.header.subject
Definition | The person for whom the medication is prescribed/ordered. [Used for searching]
Short | The person for whom the medication is prescribed/ordered. [Used for searching]
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSMedicationPrescription.header.identifier
Definition | Business identifier(s) for the prescription. [Used for searching]
Short | Business identifier(s) for the prescription. [Used for searching]
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
8. EHDSMedicationPrescription.header.author[x]
Definition | The prescriber, the person who made the prescription, and who takes the responsibility for the treatment. [Used for searching]
Short | The prescriber, the person who made the prescription, and who takes the responsibility for the treatment. [Used for searching]
Control | 1..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
10. EHDSMedicationPrescription.header.date
Definition | Time of issuing (signing) the prescription by health care professional. [Used for searching]
Short | Time of issuing (signing) the prescription by health care professional. [Used for searching]
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
12. EHDSMedicationPrescription.header.status
Definition | Status of authorisation for dispensing the prescription items. This should not be the status of treatment. For a multiple-item prescription, this conveys the aggregate status of the entire prescription. In case of a single-item prescription, prescriptionItem.status shall be the same as EHDSMedicationPrescription.header.status. [Used for searching]
Short | Status of authorisation for dispensing the prescription items. This should not be the status of treatment. For a multiple-item prescription, this conveys the aggregate status of the entire prescription. In case of a single-item prescription, prescriptionItem.status shall be the same as EHDSMedicationPrescription.header.status. [Used for searching]
Control | 1..1
Type | CodeableConcept
14. EHDSMedicationPrescription.header.source
Definition | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Short | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control | 0..0
Type | CodeableConcept
16. EHDSMedicationPrescription.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
18. EHDSMedicationPrescription.header.statusReason[x]
Definition | Reason for the current status of prescription, for example the reason why the prescription was made invalid or changed from a previous state.
Short | Reason for the current status of prescription, for example the reason why the prescription was made invalid or changed from a previous state.
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. EHDSMedicationPrescription.presentedForm
Definition | Entire prescription as issued. Various formats could be provided, PDF format is recommended.
Short | Entire prescription as issued. Various formats could be provided, PDF format is recommended.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
22. EHDSMedicationPrescription.prescriptionItem
Definition | Prescription line for one medication. In many countries, only one item is allowed and there shall be no expectation to be able to manage multiple items. In case multiple medications are allowed, all items need to be authored together.
Short | Prescription line for one medication. In many countries, only one item is allowed and there shall be no expectation to be able to manage multiple items. In case multiple medications are allowed, all items need to be authored together.
Control | 1..*
Type | Base
24. EHDSMedicationPrescription.prescriptionItem.identifier
Definition | Identifier for a single item on prescription, if exists. In case of single-item prescription, this identifier is typically the same as prescription identifier. [Used for searching]
Short | Identifier for a single item on prescription, if exists. In case of single-item prescription, this identifier is typically the same as prescription identifier. [Used for searching]
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
26. EHDSMedicationPrescription.prescriptionItem.status
Definition | Status of a single item of a multi-item prescription. In case of single-item prescriptions, the status of prescription has the same meaning as the status of the item. [Used for searching]
Short | Status of a single item of a multi-item prescription. In case of single-item prescriptions, the status of prescription has the same meaning as the status of the item. [Used for searching]
Control | 1..1
Type | CodeableConcept
28. EHDSMedicationPrescription.prescriptionItem.statusReason[x]
Definition | Reason for the current status of prescription, for example the reason why the prescription was made invalid or why the prescription was changed from previous
Short | Reason for the current status of prescription, for example the reason why the prescription was made invalid or why the prescription was changed from previous
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
30. EHDSMedicationPrescription.prescriptionItem.medication
Definition | Prescribed product, branded, generic, virtual, extemporal, etc
Short | Prescribed product, branded, generic, virtual, extemporal, etc
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
32. EHDSMedicationPrescription.prescriptionItem.indication[x]
Definition | Reason for the prescription (typically diagnosis, or a procedure)
Short | Reason for the prescription (typically diagnosis, or a procedure)
Control | 0..*
Binding | ICD-10, SNOMED CT, Orphacode
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
34. EHDSMedicationPrescription.prescriptionItem.intendedUseType
Definition | Intent of the prescription - prophylaxis, treatment, anesthesia, etc
Short | Intent of the prescription - prophylaxis, treatment, anesthesia, etc
Control | 0..1
Type | CodeableConcept
36. EHDSMedicationPrescription.prescriptionItem.periodOfUse
Definition | Period over which the medication is to be taken (in case of multiple dosage schemes, this would be the overall period of all dosages.)
Short | Period over which the medication is to be taken (in case of multiple dosage schemes, this would be the overall period of all dosages.)
Control | 0..1
Type | Period
38. EHDSMedicationPrescription.prescriptionItem.quantityPrescribed
Definition | Overall quantity of prescribed product (e.g number of packages or number of tablets).
Short | Overall quantity of prescribed product (e.g number of packages or number of tablets).
Control | 0..1
Binding | UCUM, EDQM Standard Terms
Type | Quantity
40. EHDSMedicationPrescription.prescriptionItem.dosageInstructions
Definition | Dosage and administration instructions
Short | Dosage and administration instructions
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage
42. EHDSMedicationPrescription.prescriptionItem.validityPeriod
Definition | The period over which the prescription is considered valid and dispensable. validityPeriod.start is, if missing, is assumed to be the date of issuing the prescription.
Short | The period over which the prescription is considered valid and dispensable. validityPeriod.start is, if missing, is assumed to be the date of issuing the prescription.
Control | 0..1
Type | Period
44. EHDSMedicationPrescription.prescriptionItem.substitution
Definition | Whether and which type of substitution is allowed for this prescription. The legislation in the country of dispense applies, e.g. if this information is missing.
Short | Whether and which type of substitution is allowed for this prescription. The legislation in the country of dispense applies, e.g. if this information is missing.
Control | 0..1
Type | Base
46. EHDSMedicationPrescription.prescriptionItem.substitution.allowed[x]
Definition | Whether and to what extent substitution is allowed.
Short | Whether and to what extent substitution is allowed.
Control | 0..1
Type | Choice of: boolean, CodeableConcept
[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
48. EHDSMedicationPrescription.prescriptionItem.substitution.reason[x]
Definition | Reason for the substitution requirement (e.g. Biological product, Patient allergic to an excipient in alternative products, etc)
Short | Reason for the substitution requirement (e.g. Biological product, Patient allergic to an excipient in alternative products, etc)
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
50. EHDSMedicationPrescription.prescriptionItem.numberOfRepeats
Definition | Number of refills authorised - how many times the prescription item can be dispensed in addition to the original dispense. The default value is 0 (no repeats).
Short | Number of refills authorised - how many times the prescription item can be dispensed in addition to the original dispense. The default value is 0 (no repeats).
Control | 0..1
Type | integer
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
52. EHDSMedicationPrescription.prescriptionItem.minimumDispenseInterval
Definition | Minimum dispense interval. If a prescription allows for repeated dispensations, the interval between dispensations shall be stated here.
Short | Minimum dispense interval. If a prescription allows for repeated dispensations, the interval between dispensations shall be stated here.
Control | 0..1
Type | Quantity
54. EHDSMedicationPrescription.prescriptionItem.offLabel
Definition | Indicates that the prescriber has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the drug
Short | Indicates that the prescriber has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the drug
Control | 0..1
Type | Base
56. EHDSMedicationPrescription.prescriptionItem.offLabel.isOffLabelUse
Definition | Indicates off-label use. Must be 'true' when .reason is provided.
Short | Indicates off-label use. Must be 'true' when .reason is provided.
Control | 1..1
Type | boolean
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
58. EHDSMedicationPrescription.prescriptionItem.offLabel.reason[x]
Definition | Reason or related clarification for off-label use
Short | Reason or related clarification for off-label use
Control | 0..*
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
60. EHDSMedicationPrescription.prescriptionItem.note
Definition | Additional information or comments, e.g. message to the dispenser
Short | Additional information or comments, e.g. message to the dispenser
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. EHDSMedicationPrescription
Definition | Logical model for medication prescription. A prescription contains one or more prescription items (medications).
Short | Medication prescription model
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationPrescription.header
Definition | Prescription header
Short | Prescription header
4. EHDSMedicationPrescription.header.subject
Definition | The person for whom the medication is prescribed/ordered. [Used for searching]
Short | The person for whom the medication is prescribed/ordered. [Used for searching]
6. EHDSMedicationPrescription.header.identifier
Definition | Business identifier(s) for the prescription. [Used for searching]
Short | Business identifier(s) for the prescription. [Used for searching]
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..?
8. EHDSMedicationPrescription.header.author[x]
Definition | The prescriber, the person who made the prescription, and who takes the responsibility for the treatment. [Used for searching]
Short | The prescriber, the person who made the prescription, and who takes the responsibility for the treatment. [Used for searching]
Control | 1..?
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
10. EHDSMedicationPrescription.header.date
Definition | Time of issuing (signing) the prescription by health care professional. [Used for searching]
Short | Time of issuing (signing) the prescription by health care professional. [Used for searching]
Control | 1..?
12. EHDSMedicationPrescription.header.status
Definition | Status of authorisation for dispensing the prescription items. This should not be the status of treatment. For a multiple-item prescription, this conveys the aggregate status of the entire prescription. In case of a single-item prescription, prescriptionItem.status shall be the same as EHDSMedicationPrescription.header.status. [Used for searching]
Short | Status of authorisation for dispensing the prescription items. This should not be the status of treatment. For a multiple-item prescription, this conveys the aggregate status of the entire prescription. In case of a single-item prescription, prescriptionItem.status shall be the same as EHDSMedicationPrescription.header.status. [Used for searching]
14. EHDSMedicationPrescription.header.source
Control | 0..0
16. EHDSMedicationPrescription.header.statusReason[x]
Definition | Reason for the current status of prescription, for example the reason why the prescription was made invalid or changed from a previous state.
Short | Reason for the current status of prescription, for example the reason why the prescription was made invalid or changed from a previous state.
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
18. EHDSMedicationPrescription.presentedForm
Definition | Entire prescription as issued. Various formats could be provided, PDF format is recommended.
Short | Entire prescription as issued. Various formats could be provided, PDF format is recommended.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
20. EHDSMedicationPrescription.prescriptionItem
Definition | Prescription line for one medication. In many countries, only one item is allowed and there shall be no expectation to be able to manage multiple items. In case multiple medications are allowed, all items need to be authored together.
Short | Prescription line for one medication. In many countries, only one item is allowed and there shall be no expectation to be able to manage multiple items. In case multiple medications are allowed, all items need to be authored together.
Control | 1..*
Type | Base
22. EHDSMedicationPrescription.prescriptionItem.identifier
Definition | Identifier for a single item on prescription, if exists. In case of single-item prescription, this identifier is typically the same as prescription identifier. [Used for searching]
Short | Identifier for a single item on prescription, if exists. In case of single-item prescription, this identifier is typically the same as prescription identifier. [Used for searching]
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
24. EHDSMedicationPrescription.prescriptionItem.status
Definition | Status of a single item of a multi-item prescription. In case of single-item prescriptions, the status of prescription has the same meaning as the status of the item. [Used for searching]
Short | Status of a single item of a multi-item prescription. In case of single-item prescriptions, the status of prescription has the same meaning as the status of the item. [Used for searching]
Control | 1..1
Type | CodeableConcept
26. EHDSMedicationPrescription.prescriptionItem.statusReason[x]
Definition | Reason for the current status of prescription, for example the reason why the prescription was made invalid or why the prescription was changed from previous
Short | Reason for the current status of prescription, for example the reason why the prescription was made invalid or why the prescription was changed from previous
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
28. EHDSMedicationPrescription.prescriptionItem.medication
Definition | Prescribed product, branded, generic, virtual, extemporal, etc
Short | Prescribed product, branded, generic, virtual, extemporal, etc
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
30. EHDSMedicationPrescription.prescriptionItem.indication[x]
Definition | Reason for the prescription (typically diagnosis, or a procedure)
Short | Reason for the prescription (typically diagnosis, or a procedure)
Control | 0..*
Binding | ICD-10, SNOMED CT, Orphacode
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
32. EHDSMedicationPrescription.prescriptionItem.intendedUseType
Definition | Intent of the prescription - prophylaxis, treatment, anesthesia, etc
Short | Intent of the prescription - prophylaxis, treatment, anesthesia, etc
Control | 0..1
Type | CodeableConcept
34. EHDSMedicationPrescription.prescriptionItem.periodOfUse
Definition | Period over which the medication is to be taken (in case of multiple dosage schemes, this would be the overall period of all dosages.)
Short | Period over which the medication is to be taken (in case of multiple dosage schemes, this would be the overall period of all dosages.)
Control | 0..1
Type | Period
36. EHDSMedicationPrescription.prescriptionItem.quantityPrescribed
Definition | Overall quantity of prescribed product (e.g number of packages or number of tablets).
Short | Overall quantity of prescribed product (e.g number of packages or number of tablets).
Control | 0..1
Binding | UCUM, EDQM Standard Terms
Type | Quantity
38. EHDSMedicationPrescription.prescriptionItem.dosageInstructions
Definition | Dosage and administration instructions
Short | Dosage and administration instructions
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage
40. EHDSMedicationPrescription.prescriptionItem.validityPeriod
Definition | The period over which the prescription is considered valid and dispensable. validityPeriod.start is, if missing, is assumed to be the date of issuing the prescription.
Short | The period over which the prescription is considered valid and dispensable. validityPeriod.start is, if missing, is assumed to be the date of issuing the prescription.
Control | 0..1
Type | Period
42. EHDSMedicationPrescription.prescriptionItem.substitution
Definition | Whether and which type of substitution is allowed for this prescription. The legislation in the country of dispense applies, e.g. if this information is missing.
Short | Whether and which type of substitution is allowed for this prescription. The legislation in the country of dispense applies, e.g. if this information is missing.
Control | 0..1
Type | Base
44. EHDSMedicationPrescription.prescriptionItem.substitution.allowed[x]
Definition | Whether and to what extent substitution is allowed.
Short | Whether and to what extent substitution is allowed.
Control | 0..1
Type | Choice of: boolean, CodeableConcept
[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
46. EHDSMedicationPrescription.prescriptionItem.substitution.reason[x]
Definition | Reason for the substitution requirement (e.g. Biological product, Patient allergic to an excipient in alternative products, etc)
Short | Reason for the substitution requirement (e.g. Biological product, Patient allergic to an excipient in alternative products, etc)
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
48. EHDSMedicationPrescription.prescriptionItem.numberOfRepeats
Definition | Number of refills authorised - how many times the prescription item can be dispensed in addition to the original dispense. The default value is 0 (no repeats).
Short | Number of refills authorised - how many times the prescription item can be dispensed in addition to the original dispense. The default value is 0 (no repeats).
Control | 0..1
Type | integer
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
50. EHDSMedicationPrescription.prescriptionItem.minimumDispenseInterval
Definition | Minimum dispense interval. If a prescription allows for repeated dispensations, the interval between dispensations shall be stated here.
Short | Minimum dispense interval. If a prescription allows for repeated dispensations, the interval between dispensations shall be stated here.
Control | 0..1
Type | Quantity
52. EHDSMedicationPrescription.prescriptionItem.offLabel
Definition | Indicates that the prescriber has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the drug
Short | Indicates that the prescriber has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the drug
Control | 0..1
Type | Base
54. EHDSMedicationPrescription.prescriptionItem.offLabel.isOffLabelUse
Definition | Indicates off-label use. Must be 'true' when .reason is provided.
Short | Indicates off-label use. Must be 'true' when .reason is provided.
Control | 1..1
Type | boolean
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
56. EHDSMedicationPrescription.prescriptionItem.offLabel.reason[x]
Definition | Reason or related clarification for off-label use
Short | Reason or related clarification for off-label use
Control | 0..*
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
58. EHDSMedicationPrescription.prescriptionItem.note
Definition | Additional information or comments, e.g. message to the dispenser
Short | Additional information or comments, e.g. message to the dispenser
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. EHDSMedicationPrescription
Definition | Logical model for medication prescription. A prescription contains one or more prescription items (medications).
Short | Medication prescription model
Control | 0..*
Is Modifier | false
Logical Model | Instances of this logical model are not marked to be the target of a Reference
2. EHDSMedicationPrescription.header
Definition | Prescription header
Short | Prescription header
Control | 1..1
Type | Base
4. EHDSMedicationPrescription.header.subject
Definition | The person for whom the medication is prescribed/ordered. [Used for searching]
Short | The person for whom the medication is prescribed/ordered. [Used for searching]
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSPatient
6. EHDSMedicationPrescription.header.identifier
Definition | Business identifier(s) for the prescription. [Used for searching]
Short | Business identifier(s) for the prescription. [Used for searching]
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
8. EHDSMedicationPrescription.header.author[x]
Definition | The prescriber, the person who made the prescription, and who takes the responsibility for the treatment. [Used for searching]
Short | The prescriber, the person who made the prescription, and who takes the responsibility for the treatment. [Used for searching]
Control | 1..*
Type | Choice of: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSHealthProfessional, http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSOrganisation
[x] Note | SeeChoice of Data Typesfor further information about how to use [x]
10. EHDSMedicationPrescription.header.date
Definition | Time of issuing (signing) the prescription by health care professional. [Used for searching]
Short | Time of issuing (signing) the prescription by health care professional. [Used for searching]
Control | 1..1
Type | dateTime
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
12. EHDSMedicationPrescription.header.status
Definition | Status of authorisation for dispensing the prescription items. This should not be the status of treatment. For a multiple-item prescription, this conveys the aggregate status of the entire prescription. In case of a single-item prescription, prescriptionItem.status shall be the same as EHDSMedicationPrescription.header.status. [Used for searching]
Short | Status of authorisation for dispensing the prescription items. This should not be the status of treatment. For a multiple-item prescription, this conveys the aggregate status of the entire prescription. In case of a single-item prescription, prescriptionItem.status shall be the same as EHDSMedicationPrescription.header.status. [Used for searching]
Control | 1..1
Type | CodeableConcept
14. EHDSMedicationPrescription.header.source
Definition | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Short | Source of information (e.g. patient, patient's proxy). Used in case the patient has authored the information or the author has submitted patient-stated information.
Control | 0..0
Type | CodeableConcept
16. EHDSMedicationPrescription.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
18. EHDSMedicationPrescription.header.statusReason[x]
Definition | Reason for the current status of prescription, for example the reason why the prescription was made invalid or changed from a previous state.
Short | Reason for the current status of prescription, for example the reason why the prescription was made invalid or changed from a previous state.
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. EHDSMedicationPrescription.presentedForm
Definition | Entire prescription as issued. Various formats could be provided, PDF format is recommended.
Short | Entire prescription as issued. Various formats could be provided, PDF format is recommended.
Control | 0..*
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSAttachment
22. EHDSMedicationPrescription.prescriptionItem
Definition | Prescription line for one medication. In many countries, only one item is allowed and there shall be no expectation to be able to manage multiple items. In case multiple medications are allowed, all items need to be authored together.
Short | Prescription line for one medication. In many countries, only one item is allowed and there shall be no expectation to be able to manage multiple items. In case multiple medications are allowed, all items need to be authored together.
Control | 1..*
Type | Base
24. EHDSMedicationPrescription.prescriptionItem.identifier
Definition | Identifier for a single item on prescription, if exists. In case of single-item prescription, this identifier is typically the same as prescription identifier. [Used for searching]
Short | Identifier for a single item on prescription, if exists. In case of single-item prescription, this identifier is typically the same as prescription identifier. [Used for searching]
Note | This is a business identifier, not a resource identifier (see discussion)
Control | 1..*
Type | Identifier
26. EHDSMedicationPrescription.prescriptionItem.status
Definition | Status of a single item of a multi-item prescription. In case of single-item prescriptions, the status of prescription has the same meaning as the status of the item. [Used for searching]
Short | Status of a single item of a multi-item prescription. In case of single-item prescriptions, the status of prescription has the same meaning as the status of the item. [Used for searching]
Control | 1..1
Type | CodeableConcept
28. EHDSMedicationPrescription.prescriptionItem.statusReason[x]
Definition | Reason for the current status of prescription, for example the reason why the prescription was made invalid or why the prescription was changed from previous
Short | Reason for the current status of prescription, for example the reason why the prescription was made invalid or why the prescription was changed from previous
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
30. EHDSMedicationPrescription.prescriptionItem.medication
Definition | Prescribed product, branded, generic, virtual, extemporal, etc
Short | Prescribed product, branded, generic, virtual, extemporal, etc
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSMedication
32. EHDSMedicationPrescription.prescriptionItem.indication[x]
Definition | Reason for the prescription (typically diagnosis, or a procedure)
Short | Reason for the prescription (typically diagnosis, or a procedure)
Control | 0..*
Binding | ICD-10, SNOMED CT, Orphacode
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
34. EHDSMedicationPrescription.prescriptionItem.intendedUseType
Definition | Intent of the prescription - prophylaxis, treatment, anesthesia, etc
Short | Intent of the prescription - prophylaxis, treatment, anesthesia, etc
Control | 0..1
Type | CodeableConcept
36. EHDSMedicationPrescription.prescriptionItem.periodOfUse
Definition | Period over which the medication is to be taken (in case of multiple dosage schemes, this would be the overall period of all dosages.)
Short | Period over which the medication is to be taken (in case of multiple dosage schemes, this would be the overall period of all dosages.)
Control | 0..1
Type | Period
38. EHDSMedicationPrescription.prescriptionItem.quantityPrescribed
Definition | Overall quantity of prescribed product (e.g number of packages or number of tablets).
Short | Overall quantity of prescribed product (e.g number of packages or number of tablets).
Control | 0..1
Binding | UCUM, EDQM Standard Terms
Type | Quantity
40. EHDSMedicationPrescription.prescriptionItem.dosageInstructions
Definition | Dosage and administration instructions
Short | Dosage and administration instructions
Control | 1..1
Type | http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage
42. EHDSMedicationPrescription.prescriptionItem.validityPeriod
Definition | The period over which the prescription is considered valid and dispensable. validityPeriod.start is, if missing, is assumed to be the date of issuing the prescription.
Short | The period over which the prescription is considered valid and dispensable. validityPeriod.start is, if missing, is assumed to be the date of issuing the prescription.
Control | 0..1
Type | Period
44. EHDSMedicationPrescription.prescriptionItem.substitution
Definition | Whether and which type of substitution is allowed for this prescription. The legislation in the country of dispense applies, e.g. if this information is missing.
Short | Whether and which type of substitution is allowed for this prescription. The legislation in the country of dispense applies, e.g. if this information is missing.
Control | 0..1
Type | Base
46. EHDSMedicationPrescription.prescriptionItem.substitution.allowed[x]
Definition | Whether and to what extent substitution is allowed.
Short | Whether and to what extent substitution is allowed.
Control | 0..1
Type | Choice of: boolean, CodeableConcept
[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
48. EHDSMedicationPrescription.prescriptionItem.substitution.reason[x]
Definition | Reason for the substitution requirement (e.g. Biological product, Patient allergic to an excipient in alternative products, etc)
Short | Reason for the substitution requirement (e.g. Biological product, Patient allergic to an excipient in alternative products, etc)
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
50. EHDSMedicationPrescription.prescriptionItem.numberOfRepeats
Definition | Number of refills authorised - how many times the prescription item can be dispensed in addition to the original dispense. The default value is 0 (no repeats).
Short | Number of refills authorised - how many times the prescription item can be dispensed in addition to the original dispense. The default value is 0 (no repeats).
Control | 0..1
Type | integer
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
52. EHDSMedicationPrescription.prescriptionItem.minimumDispenseInterval
Definition | Minimum dispense interval. If a prescription allows for repeated dispensations, the interval between dispensations shall be stated here.
Short | Minimum dispense interval. If a prescription allows for repeated dispensations, the interval between dispensations shall be stated here.
Control | 0..1
Type | Quantity
54. EHDSMedicationPrescription.prescriptionItem.offLabel
Definition | Indicates that the prescriber has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the drug
Short | Indicates that the prescriber has knowingly prescribed the medication for an indication, age group, dosage, or route of administration that is not approved by the regulatory agencies and is not mentioned in the prescribing information for the drug
Control | 0..1
Type | Base
56. EHDSMedicationPrescription.prescriptionItem.offLabel.isOffLabelUse
Definition | Indicates off-label use. Must be 'true' when .reason is provided.
Short | Indicates off-label use. Must be 'true' when .reason is provided.
Control | 1..1
Type | boolean
Primitive Value | This primitive element may be present, or absent, or replaced by an extension
58. EHDSMedicationPrescription.prescriptionItem.offLabel.reason[x]
Definition | Reason or related clarification for off-label use
Short | Reason or related clarification for off-label use
Control | 0..*
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
60. EHDSMedicationPrescription.prescriptionItem.note
Definition | Additional information or comments, e.g. message to the dispenser
Short | Additional information or comments, e.g. message to the dispenser
Control | 0..1
Type | string
Primitive Value | This primitive element may be present, or absent, or replaced by an extension