| Source Element | Usage | Target |
| Ingredient | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Ingredient |
| Ingredient.id | UseExtensionFromAncestor | - |
| Ingredient.meta | UseExtensionFromAncestor | - |
| Ingredient.implicitRules | UseExtensionFromAncestor | - |
| Ingredient.language | UseExtensionFromAncestor | - |
| Ingredient.text | UseExtensionFromAncestor | - |
| Ingredient.contained | UseExtensionFromAncestor | - |
| Ingredient.extension | UseExtensionFromAncestor | - |
| Ingredient.modifierExtension | UseExtensionFromAncestor | - |
| Ingredient.identifier | UseExtensionFromAncestor | - |
| Ingredient.status | UseExtensionFromAncestor | - |
| Ingredient.for | UseExtensionFromAncestor | - |
| Ingredient.role | UseExtensionFromAncestor | - |
| Ingredient.function | UseExtensionFromAncestor | - |
| Ingredient.group | UseExtensionFromAncestor | - |
| Ingredient.allergenicIndicator | UseExtensionFromAncestor | - |
| Ingredient.comment | UseExtensionFromAncestor | - |
| Ingredient.manufacturer | UseExtensionFromAncestor | - |
| Ingredient.manufacturer.id | UseExtensionFromAncestor | - |
| Ingredient.manufacturer.extension | UseExtensionFromAncestor | - |
| Ingredient.manufacturer.modifierExtension | UseExtensionFromAncestor | - |
| Ingredient.manufacturer.role | UseExtensionFromAncestor | - |
| Ingredient.manufacturer.manufacturer | UseExtensionFromAncestor | - |
| Ingredient.substance | UseExtensionFromAncestor | - |
| Ingredient.substance.id | UseExtensionFromAncestor | - |
| Ingredient.substance.extension | UseExtensionFromAncestor | - |
| Ingredient.substance.modifierExtension | UseExtensionFromAncestor | - |
| Ingredient.substance.code | UseExtensionFromAncestor | - |
| Ingredient.substance.strength | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.id | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.extension | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.modifierExtension | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.presentation[x] | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.textPresentation | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.concentration[x] | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.textConcentration | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.basis | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.measurementPoint | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.country | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.id | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.extension | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.modifierExtension | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.substance | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.strength[x] | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.measurementPoint | UseExtensionFromAncestor | - |
| Ingredient.substance.strength.referenceStrength.country | UseExtensionFromAncestor | - |