| Source Element | Usage | Target |
| MedicinalProductIngredient | UseExtension | http://hl7.org/fhir/4.0/StructureDefinition/extension-MedicinalProductIngredient |
| MedicinalProductIngredient.id | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.meta | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.implicitRules | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.language | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.text | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.contained | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.extension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.identifier | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.role | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.allergenicIndicator | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.manufacturer | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.id | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.extension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.code | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.group | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.confidentiality | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.id | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.extension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.presentation | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.presentationLowLimit | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.concentration | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.concentrationLowLimit | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.measurementPoint | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.country | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.id | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.extension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.substance | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.strength | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.strengthLowLimit | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.measurementPoint | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.specifiedSubstance.strength.referenceStrength.country | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.substance | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.substance.id | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.substance.extension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.substance.modifierExtension | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.substance.code | UseExtensionFromAncestor | - |
| MedicinalProductIngredient.substance.strength | UseExtensionFromAncestor | - |