| Source Element | Usage | Target |
| SubstanceDefinition.id | UseElementSameName | SubstanceDefinition.id |
| SubstanceDefinition.meta | UseElementSameName | SubstanceDefinition.meta |
| SubstanceDefinition.implicitRules | UseElementSameName | SubstanceDefinition.implicitRules |
| SubstanceDefinition.language | UseElementSameName | SubstanceDefinition.language |
| SubstanceDefinition.text | UseElementSameName | SubstanceDefinition.text |
| SubstanceDefinition.contained | UseElementSameName | SubstanceDefinition.contained |
| SubstanceDefinition.extension | UseElementSameName | SubstanceDefinition.extension |
| SubstanceDefinition.modifierExtension | UseElementSameName | SubstanceDefinition.modifierExtension |
| SubstanceDefinition.identifier | UseElementSameName | SubstanceDefinition.identifier |
| SubstanceDefinition.version | UseElementSameName | SubstanceDefinition.version |
| SubstanceDefinition.status | UseElementSameName | SubstanceDefinition.status |
| SubstanceDefinition.classification | UseElementSameName | SubstanceDefinition.classification |
| SubstanceDefinition.domain | UseElementSameName | SubstanceDefinition.domain |
| SubstanceDefinition.grade | UseElementSameName | SubstanceDefinition.grade |
| SubstanceDefinition.description | UseElementSameName | SubstanceDefinition.description |
| SubstanceDefinition.informationSource | UseElementSameName | SubstanceDefinition.informationSource |
| SubstanceDefinition.note | UseElementSameName | SubstanceDefinition.note |
| SubstanceDefinition.manufacturer | UseElementSameName | SubstanceDefinition.manufacturer |
| SubstanceDefinition.supplier | UseElementSameName | SubstanceDefinition.supplier |
| SubstanceDefinition.moiety | UseElementSameName | SubstanceDefinition.moiety |
| SubstanceDefinition.moiety.id | UseElementSameName | SubstanceDefinition.moiety.id |
| SubstanceDefinition.moiety.extension | UseElementSameName | SubstanceDefinition.moiety.extension |
| SubstanceDefinition.moiety.modifierExtension | UseElementSameName | SubstanceDefinition.moiety.modifierExtension |
| SubstanceDefinition.moiety.role | UseElementSameName | SubstanceDefinition.moiety.role |
| SubstanceDefinition.moiety.identifier | UseElementSameName | SubstanceDefinition.moiety.identifier |
| SubstanceDefinition.moiety.name | UseElementSameName | SubstanceDefinition.moiety.name |
| SubstanceDefinition.moiety.stereochemistry | UseElementSameName | SubstanceDefinition.moiety.stereochemistry |
| SubstanceDefinition.moiety.opticalActivity | UseElementSameName | SubstanceDefinition.moiety.opticalActivity |
| SubstanceDefinition.moiety.molecularFormula | UseElementSameName | SubstanceDefinition.moiety.molecularFormula |
| SubstanceDefinition.moiety.amount[x] | UseElementSameName | SubstanceDefinition.moiety.amount[x] |
| SubstanceDefinition.moiety.measurementType | UseElementSameName | SubstanceDefinition.moiety.measurementType |
| SubstanceDefinition.characterization | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-SubstanceDefinition.characterization |
| SubstanceDefinition.characterization.id | UseExtensionFromAncestor | - |
| SubstanceDefinition.characterization.extension | UseExtensionFromAncestor | - |
| SubstanceDefinition.characterization.modifierExtension | UseExtensionFromAncestor | - |
| SubstanceDefinition.characterization.technique | UseExtensionFromAncestor | - |
| SubstanceDefinition.characterization.form | UseExtensionFromAncestor | - |
| SubstanceDefinition.characterization.description | UseExtensionFromAncestor | - |
| SubstanceDefinition.characterization.file | UseExtensionFromAncestor | - |
| SubstanceDefinition.property | UseElementSameName | SubstanceDefinition.property |
| SubstanceDefinition.property.id | UseElementSameName | SubstanceDefinition.property.id |
| SubstanceDefinition.property.extension | UseElementSameName | SubstanceDefinition.property.extension |
| SubstanceDefinition.property.modifierExtension | UseElementSameName | SubstanceDefinition.property.modifierExtension |
| SubstanceDefinition.property.type | UseElementSameName | SubstanceDefinition.property.type |
| SubstanceDefinition.property.value[x] | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-SubstanceDefinition.property.value |
| SubstanceDefinition.referenceInformation | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-SubstanceDefinition.referenceInformation |
| SubstanceDefinition.molecularWeight | UseElementSameName | SubstanceDefinition.molecularWeight |
| SubstanceDefinition.molecularWeight.id | UseElementSameName | SubstanceDefinition.molecularWeight.id |
| SubstanceDefinition.molecularWeight.extension | UseElementSameName | SubstanceDefinition.molecularWeight.extension |
| SubstanceDefinition.molecularWeight.modifierExtension | UseElementSameName | SubstanceDefinition.molecularWeight.modifierExtension |
| SubstanceDefinition.molecularWeight.method | UseElementSameName | SubstanceDefinition.molecularWeight.method |
| SubstanceDefinition.molecularWeight.type | UseElementSameName | SubstanceDefinition.molecularWeight.type |
| SubstanceDefinition.molecularWeight.amount | UseElementSameName | SubstanceDefinition.molecularWeight.amount |
| SubstanceDefinition.structure | UseElementSameName | SubstanceDefinition.structure |
| SubstanceDefinition.structure.id | UseElementSameName | SubstanceDefinition.structure.id |
| SubstanceDefinition.structure.extension | UseElementSameName | SubstanceDefinition.structure.extension |
| SubstanceDefinition.structure.modifierExtension | UseElementSameName | SubstanceDefinition.structure.modifierExtension |
| SubstanceDefinition.structure.stereochemistry | UseElementSameName | SubstanceDefinition.structure.stereochemistry |
| SubstanceDefinition.structure.opticalActivity | UseElementSameName | SubstanceDefinition.structure.opticalActivity |
| SubstanceDefinition.structure.molecularFormula | UseElementSameName | SubstanceDefinition.structure.molecularFormula |
| SubstanceDefinition.structure.molecularFormulaByMoiety | UseElementSameName | SubstanceDefinition.structure.molecularFormulaByMoiety |
| SubstanceDefinition.structure.molecularWeight | UseElementSameName | SubstanceDefinition.structure.molecularWeight |
| SubstanceDefinition.structure.technique | UseElementSameName | SubstanceDefinition.structure.technique |
| SubstanceDefinition.structure.sourceDocument | UseElementSameName | SubstanceDefinition.structure.sourceDocument |
| SubstanceDefinition.structure.representation | UseElementSameName | SubstanceDefinition.structure.representation |
| SubstanceDefinition.structure.representation.id | UseElementSameName | SubstanceDefinition.structure.representation.id |
| SubstanceDefinition.structure.representation.extension | UseElementSameName | SubstanceDefinition.structure.representation.extension |
| SubstanceDefinition.structure.representation.modifierExtension | UseElementSameName | SubstanceDefinition.structure.representation.modifierExtension |
| SubstanceDefinition.structure.representation.type | UseElementSameName | SubstanceDefinition.structure.representation.type |
| SubstanceDefinition.structure.representation.representation | UseElementSameName | SubstanceDefinition.structure.representation.representation |
| SubstanceDefinition.structure.representation.format | UseElementSameName | SubstanceDefinition.structure.representation.format |
| SubstanceDefinition.structure.representation.document | UseElementSameName | SubstanceDefinition.structure.representation.document |
| SubstanceDefinition.code | UseElementSameName | SubstanceDefinition.code |
| SubstanceDefinition.code.id | UseElementSameName | SubstanceDefinition.code.id |
| SubstanceDefinition.code.extension | UseElementSameName | SubstanceDefinition.code.extension |
| SubstanceDefinition.code.modifierExtension | UseElementSameName | SubstanceDefinition.code.modifierExtension |
| SubstanceDefinition.code.code | UseElementSameName | SubstanceDefinition.code.code |
| SubstanceDefinition.code.status | UseElementSameName | SubstanceDefinition.code.status |
| SubstanceDefinition.code.statusDate | UseElementSameName | SubstanceDefinition.code.statusDate |
| SubstanceDefinition.code.note | UseElementSameName | SubstanceDefinition.code.note |
| SubstanceDefinition.code.source | UseElementSameName | SubstanceDefinition.code.source |
| SubstanceDefinition.name | UseElementSameName | SubstanceDefinition.name |
| SubstanceDefinition.name.id | UseElementSameName | SubstanceDefinition.name.id |
| SubstanceDefinition.name.extension | UseElementSameName | SubstanceDefinition.name.extension |
| SubstanceDefinition.name.modifierExtension | UseElementSameName | SubstanceDefinition.name.modifierExtension |
| SubstanceDefinition.name.name | UseElementSameName | SubstanceDefinition.name.name |
| SubstanceDefinition.name.type | UseElementSameName | SubstanceDefinition.name.type |
| SubstanceDefinition.name.status | UseElementSameName | SubstanceDefinition.name.status |
| SubstanceDefinition.name.preferred | UseElementSameName | SubstanceDefinition.name.preferred |
| SubstanceDefinition.name.language | UseElementSameName | SubstanceDefinition.name.language |
| SubstanceDefinition.name.domain | UseElementSameName | SubstanceDefinition.name.domain |
| SubstanceDefinition.name.jurisdiction | UseElementSameName | SubstanceDefinition.name.jurisdiction |
| SubstanceDefinition.name.synonym | UseElementSameName | SubstanceDefinition.name.synonym |
| SubstanceDefinition.name.translation | UseElementSameName | SubstanceDefinition.name.translation |
| SubstanceDefinition.name.official | UseElementSameName | SubstanceDefinition.name.official |
| SubstanceDefinition.name.official.id | UseElementSameName | SubstanceDefinition.name.official.id |
| SubstanceDefinition.name.official.extension | UseElementSameName | SubstanceDefinition.name.official.extension |
| SubstanceDefinition.name.official.modifierExtension | UseElementSameName | SubstanceDefinition.name.official.modifierExtension |
| SubstanceDefinition.name.official.authority | UseElementSameName | SubstanceDefinition.name.official.authority |
| SubstanceDefinition.name.official.status | UseElementSameName | SubstanceDefinition.name.official.status |
| SubstanceDefinition.name.official.date | UseElementSameName | SubstanceDefinition.name.official.date |
| SubstanceDefinition.name.source | UseElementSameName | SubstanceDefinition.name.source |
| SubstanceDefinition.relationship | UseElementSameName | SubstanceDefinition.relationship |
| SubstanceDefinition.relationship.id | UseElementSameName | SubstanceDefinition.relationship.id |
| SubstanceDefinition.relationship.extension | UseElementSameName | SubstanceDefinition.relationship.extension |
| SubstanceDefinition.relationship.modifierExtension | UseElementSameName | SubstanceDefinition.relationship.modifierExtension |
| SubstanceDefinition.relationship.substanceDefinition[x] | UseElementSameName | SubstanceDefinition.relationship.substanceDefinition[x] |
| SubstanceDefinition.relationship.type | UseElementSameName | SubstanceDefinition.relationship.type |
| SubstanceDefinition.relationship.isDefining | UseElementSameName | SubstanceDefinition.relationship.isDefining |
| SubstanceDefinition.relationship.amount[x] | UseElementSameName | SubstanceDefinition.relationship.amount[x] |
| SubstanceDefinition.relationship.ratioHighLimitAmount | UseElementSameName | SubstanceDefinition.relationship.ratioHighLimitAmount |
| SubstanceDefinition.relationship.comparator | UseElementSameName | SubstanceDefinition.relationship.comparator |
| SubstanceDefinition.relationship.source | UseElementSameName | SubstanceDefinition.relationship.source |
| SubstanceDefinition.nucleicAcid | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-SubstanceDefinition.nucleicAcid |
| SubstanceDefinition.polymer | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-SubstanceDefinition.polymer |
| SubstanceDefinition.protein | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-SubstanceDefinition.protein |
| SubstanceDefinition.sourceMaterial | UseElementSameName | SubstanceDefinition.sourceMaterial |
| SubstanceDefinition.sourceMaterial.id | UseElementSameName | SubstanceDefinition.sourceMaterial.id |
| SubstanceDefinition.sourceMaterial.extension | UseElementSameName | SubstanceDefinition.sourceMaterial.extension |
| SubstanceDefinition.sourceMaterial.modifierExtension | UseElementSameName | SubstanceDefinition.sourceMaterial.modifierExtension |
| SubstanceDefinition.sourceMaterial.type | UseElementSameName | SubstanceDefinition.sourceMaterial.type |
| SubstanceDefinition.sourceMaterial.genus | UseElementSameName | SubstanceDefinition.sourceMaterial.genus |
| SubstanceDefinition.sourceMaterial.species | UseElementSameName | SubstanceDefinition.sourceMaterial.species |
| SubstanceDefinition.sourceMaterial.part | UseElementSameName | SubstanceDefinition.sourceMaterial.part |
| SubstanceDefinition.sourceMaterial.countryOfOrigin | UseElementSameName | SubstanceDefinition.sourceMaterial.countryOfOrigin |