| Source Element | Usage | Target |
| ArtifactAssessment | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-ArtifactAssessment |
| ArtifactAssessment.id | UseExtensionFromAncestor | - |
| ArtifactAssessment.meta | UseExtensionFromAncestor | - |
| ArtifactAssessment.implicitRules | UseExtensionFromAncestor | - |
| ArtifactAssessment.language | UseExtensionFromAncestor | - |
| ArtifactAssessment.text | UseExtensionFromAncestor | - |
| ArtifactAssessment.contained | UseExtensionFromAncestor | - |
| ArtifactAssessment.extension | UseExtensionFromAncestor | - |
| ArtifactAssessment.modifierExtension | UseExtensionFromAncestor | - |
| ArtifactAssessment.identifier | UseExtensionFromAncestor | - |
| ArtifactAssessment.title | UseExtensionFromAncestor | - |
| ArtifactAssessment.citeAs[x] | UseExtensionFromAncestor | - |
| ArtifactAssessment.date | UseExtensionFromAncestor | - |
| ArtifactAssessment.copyright | UseExtensionFromAncestor | - |
| ArtifactAssessment.approvalDate | UseExtensionFromAncestor | - |
| ArtifactAssessment.lastReviewDate | UseExtensionFromAncestor | - |
| ArtifactAssessment.artifact[x] | UseExtensionFromAncestor | - |
| ArtifactAssessment.content | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.id | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.extension | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.modifierExtension | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.informationType | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.summary | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.type | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.classifier | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.quantity | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.author | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.path | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.relatedArtifact | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.freeToShare | UseExtensionFromAncestor | - |
| ArtifactAssessment.content.component | UseExtensionFromAncestor | - |
| ArtifactAssessment.workflowStatus | UseExtensionFromAncestor | - |
| ArtifactAssessment.disposition | UseExtensionFromAncestor | - |