# Medication component Basis of dose - Guide d'implémentation de la ePrescription v0.1.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Medication component Basis of dose**

## Extension: Medication component Basis of dose 

| | |
| :--- | :--- |
| *Official URL*:https://interop.esante.gouv.fr/ig/fhir/eprescription/StructureDefinition/fr-basis-of-dose-component | *Version*:0.1.0 |
| Draft as of 2026-02-23 | *Computable Name*:FrBasisOfDoseComponent |

When the medication element of the resource in which a dose applies is compound, this extension references the Medication resource component of the medication element which is the Basis of the dose quantity or volume.

When To reference the Medication resource component which is the Basis of the dose quantity or volume

**Context of Use**

This extension may be used on the following element(s):

* Element ID Dosage.doseAndRate

**Usage info**

**Utilisations:**

* Utilise ce/t/te Extension: [FR Medication Request](StructureDefinition-fr-medicationrequest.md)
* Exemples pour ce/t/te Extension: [Bundle/Presc-MiniperfCefotaxime-En20min-Pdt3j](Bundle-Presc-MiniperfCefotaxime-En20min-Pdt3j.md), [Bundle/Presc-MiniperfCefotaxime-En20min-Pdt4j](Bundle-Presc-MiniperfCefotaxime-En20min-Pdt4j.md) and [Bundle/Presc-PerfDobutamine-Qsp40mL](Bundle-Presc-PerfDobutamine-Qsp40mL.md)

Vous pouvez également vérifier [les usages dans le FHIR IG Statistics](https://packages2.fhir.org/xig/ans.fhir.fr.eprescription|current/StructureDefinition/fr-basis-of-dose-component)

### Formal Views of Extension Content

 [Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-fr-basis-of-dose-component.csv), [Excel](StructureDefinition-fr-basis-of-dose-component.xlsx), [Schematron](StructureDefinition-fr-basis-of-dose-component.sch) 

#### Contraintes



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "fr-basis-of-dose-component",
  "url" : "https://interop.esante.gouv.fr/ig/fhir/eprescription/StructureDefinition/fr-basis-of-dose-component",
  "version" : "0.1.0",
  "name" : "FrBasisOfDoseComponent",
  "title" : "Medication component Basis of dose",
  "status" : "draft",
  "date" : "2026-02-23T11:15:05+00:00",
  "publisher" : "Interop'Santé",
  "contact" : [{
    "name" : "Interop'Santé",
    "telecom" : [{
      "system" : "url",
      "value" : "http://interopsante.org/"
    }]
  },
  {
    "name" : "Agence du Numérique en Santé (ANS) - 2-10 Rue d'Oradour-sur-Glane, 75015 Paris",
    "telecom" : [{
      "system" : "url",
      "value" : "https://esante.gouv.fr"
    },
    {
      "system" : "email",
      "value" : "monserviceclient.annuaire@esante.gouv.fr"
    }]
  }],
  "description" : "When the medication element of the resource in which a dose applies is compound, this extension references the Medication resource component of the medication element which is the Basis of the dose quantity or volume.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "FR",
      "display" : "FRANCE"
    }]
  }],
  "purpose" : "When To reference the Medication resource component which is the Basis of the dose quantity or volume",
  "fhirVersion" : "4.0.1",
  "mapping" : [{
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "type" : "element",
    "expression" : "Dosage.doseAndRate"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "Medication component Basis of dose",
      "definition" : "When the medication element of the resource in which a dose applies is compound, this extension references the Medication resource component of the medication element which is the Basis of the dose quantity or volume."
    },
    {
      "id" : "Extension.extension",
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "id" : "Extension.url",
      "path" : "Extension.url",
      "fixedUri" : "https://interop.esante.gouv.fr/ig/fhir/eprescription/StructureDefinition/fr-basis-of-dose-component"
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Medication"]
      }]
    }]
  }
}

```
