EHDS Logical Information Models
0.2.1 - qa-preview

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

## Logical Model: Dosage model

Official URL: http://www.xt-ehr.eu/fhir/models/StructureDefinition/EHDSDosage | Version: 0.2.1
Draft as of 2026-02-05 | Computable Name: EHDSDosage

EHDS refined base model for Dosage

Usages:

- Use this Logical Model: Medication administration model

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.

- Key Elements Table
- Differential Table
- Snapshot Table
- Statistics/References
- All

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSDosage |  | 0..* | Base | Dosage model Instances of this logical model can be the target of a Reference
dosageDescription |  | 0..1 | string | Dosage description
site |  | 0..1 | CodeableConcept | Site
route |  | 0..1 | CodeableConcept | Route
method |  | 0..1 | CodeableConcept | Method
dose |  | 0..1 | Quantity | Dose
rate[x] |  | 0..1 |  | Rate
rateRatio |  |  | Ratio |
rateQuantity |  |  | Quantity |
Documentation for this format

This structure is derived from Base

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSDosage |  | 0..* | Base | Dosage model Instances of this logical model can be the target of a Reference
dosageDescription |  | 0..1 | string | Dosage description
site |  | 0..1 | CodeableConcept | Site
route |  | 0..1 | CodeableConcept | Route
method |  | 0..1 | CodeableConcept | Method
dose |  | 0..1 | Quantity | Dose
rate[x] |  | 0..1 |  | Rate
rateRatio |  |  | Ratio |
rateQuantity |  |  | Quantity |
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSDosage |  | 0..* | Base | Dosage model Instances of this logical model can be the target of a Reference
dosageDescription |  | 0..1 | string | Dosage description
site |  | 0..1 | CodeableConcept | Site
route |  | 0..1 | CodeableConcept | Route
method |  | 0..1 | CodeableConcept | Method
dose |  | 0..1 | Quantity | Dose
rate[x] |  | 0..1 |  | Rate
rateRatio |  |  | Ratio |
rateQuantity |  |  | Quantity |
Documentation for this format

This structure is derived from Base

Summary

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSDosage |  | 0..* | Base | Dosage model Instances of this logical model can be the target of a Reference
dosageDescription |  | 0..1 | string | Dosage description
site |  | 0..1 | CodeableConcept | Site
route |  | 0..1 | CodeableConcept | Route
method |  | 0..1 | CodeableConcept | Method
dose |  | 0..1 | Quantity | Dose
rate[x] |  | 0..1 |  | Rate
rateRatio |  |  | Ratio |
rateQuantity |  |  | Quantity |
Documentation for this format

Differential View

This structure is derived from Base

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSDosage |  | 0..* | Base | Dosage model Instances of this logical model can be the target of a Reference
dosageDescription |  | 0..1 | string | Dosage description
site |  | 0..1 | CodeableConcept | Site
route |  | 0..1 | CodeableConcept | Route
method |  | 0..1 | CodeableConcept | Method
dose |  | 0..1 | Quantity | Dose
rate[x] |  | 0..1 |  | Rate
rateRatio |  |  | Ratio |
rateQuantity |  |  | Quantity |
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
EHDSDosage |  | 0..* | Base | Dosage model Instances of this logical model can be the target of a Reference
dosageDescription |  | 0..1 | string | Dosage description
site |  | 0..1 | CodeableConcept | Site
route |  | 0..1 | CodeableConcept | Route
method |  | 0..1 | CodeableConcept | Method
dose |  | 0..1 | Quantity | Dose
rate[x] |  | 0..1 |  | Rate
rateRatio |  |  | Ratio |
rateQuantity |  |  | Quantity |
Documentation for this format

This structure is derived from Base

Summary

Other representations of profile: CSV, Excel