| Source Element | Usage | Target |
| MedicinalProductContraindication | UseExtension | http://hl7.org/fhir/4.0/StructureDefinition/extension-MedicinalProductContraindication |
| MedicinalProductContraindication.id | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.meta | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.implicitRules | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.language | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.text | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.contained | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.extension | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.subject | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.disease | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.diseaseStatus | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.comorbidity | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.therapeuticIndication | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.otherTherapy | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.otherTherapy.id | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.otherTherapy.extension | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.otherTherapy.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.otherTherapy.therapyRelationshipType | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.otherTherapy.medication[x] | UseExtensionFromAncestor | - |
| MedicinalProductContraindication.population | UseExtensionFromAncestor | - |