FHIR Cross-Version Mapping Pack
0.1.0 - Ballot for Release 5.1.0 International flag

FHIR Cross-Version Mapping Pack, published by HL7 International / FHIR Infrastructure. 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/HL7/fhir-cross-version/ and changes regularly. See the Directory of published versions

StructureMap: Medication Transforms: R5 to R4

Official URL: http://hl7.org/fhir/StructureMap/Medication5to4 Version: 0.1.0
Standards status: Draft Maturity Level: 1 Computable Name: Medication5to4

MedicationTransformsR5toR4

/// url = 'http://hl7.org/fhir/StructureMap/Medication5to4'
/// name = 'Medication5to4'
/// title = 'Medication Transforms: R5 to R4'
/// status = 'active'

uses "http://hl7.org/fhir/5.0/Medication" alias MedicationR5 as source
uses "http://hl7.org/fhir/4.0/Medication" alias MedicationR4 as target

imports "http://hl7.org/fhir/StructureMap/*5to4"

group Medication(source src : MedicationR5, target tgt : MedicationR4) extends DomainResource <<type+>> {
  src.identifier -> tgt.identifier;
  src.code -> tgt.code;
  src.status as v -> tgt.status = translate(v, 'http://hl7.org/fhir/ConceptMap/Medication.status-R5toR4', 'code');
  src.marketingAuthorizationHolder -> tgt.manufacturer;
  src.doseForm -> tgt.form;
  src.totalVolume as s ->  tgt.amount as t,  t.numerator = s;
  src.ingredient as s -> tgt.ingredient as t then MedicationIngredient(s, t);
  src.batch as s -> tgt.batch as t then MedicationBatch(s, t);
}

group MedicationIngredient(source src, target tgt) extends BackboneElement {
  src.item -> tgt.item;
  src.isActive -> tgt.isActive;
  src.strength : Ratio -> tgt.strength;
}

group MedicationBatch(source src, target tgt) extends BackboneElement {
  src.lotNumber -> tgt.lotNumber;
  src.expirationDate -> tgt.expirationDate;
}