| Source Element | Usage | Target |
| Immunization.id | UseElementSameName | Immunization.id |
| Immunization.meta | UseElementSameName | Immunization.meta |
| Immunization.implicitRules | UseElementSameName | Immunization.implicitRules |
| Immunization.language | UseElementSameName | Immunization.language |
| Immunization.text | UseElementSameName | Immunization.text |
| Immunization.contained | UseElementSameName | Immunization.contained |
| Immunization.extension | UseElementSameName | Immunization.extension |
| Immunization.modifierExtension | UseElementSameName | Immunization.modifierExtension |
| Immunization.identifier | UseElementSameName | Immunization.identifier |
| Immunization.basedOn | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.basedOn |
| Immunization.status | UseOneOfElements | Immunization.status,Immunization.status |
| Immunization.statusReason | UseElementSameName | Immunization.statusReason |
| Immunization.vaccineCode | UseElementSameName | Immunization.vaccineCode |
| Immunization.administeredProduct | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.administeredProduct |
| Immunization.manufacturer | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.manufacturer |
| Immunization.lotNumber | UseElementSameName | Immunization.lotNumber |
| Immunization.expirationDate | UseElementSameName | Immunization.expirationDate |
| Immunization.patient | UseElementSameName | Immunization.patient |
| Immunization.encounter | UseElementSameName | Immunization.encounter |
| Immunization.supportingInformation | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.supportingInformation |
| Immunization.occurrence[x] | UseElementSameName | Immunization.occurrence[x] |
| Immunization.primarySource | UseElementSameName | Immunization.primarySource |
| Immunization.informationSource | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.informationSource |
| Immunization.location | UseElementSameName | Immunization.location |
| Immunization.site | UseElementSameName | Immunization.site |
| Immunization.route | UseElementSameName | Immunization.route |
| Immunization.doseQuantity | UseElementSameName | Immunization.doseQuantity |
| Immunization.performer | UseElementSameName | Immunization.performer |
| Immunization.performer.id | UseElementSameName | Immunization.performer.id |
| Immunization.performer.extension | UseElementSameName | Immunization.performer.extension |
| Immunization.performer.modifierExtension | UseElementSameName | Immunization.performer.modifierExtension |
| Immunization.performer.function | UseElementSameName | Immunization.performer.function |
| Immunization.performer.actor | UseOneOfElements | Immunization.performer.actor,Immunization.performer.actor |
| Immunization.note | UseElementSameName | Immunization.note |
| Immunization.reason | UseOneOfElements | Immunization.reasonCode,Immunization.reasonCode,Immunization.reasonReference |
| Immunization.isSubpotent | UseElementSameName | Immunization.isSubpotent |
| Immunization.subpotentReason | UseElementSameName | Immunization.subpotentReason |
| Immunization.programEligibility | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.programEligibility |
| Immunization.programEligibility.id | UseExtensionFromAncestor | - |
| Immunization.programEligibility.extension | UseExtensionFromAncestor | - |
| Immunization.programEligibility.modifierExtension | UseExtensionFromAncestor | - |
| Immunization.programEligibility.program | UseExtensionFromAncestor | - |
| Immunization.programEligibility.programStatus | UseExtensionFromAncestor | - |
| Immunization.fundingSource | UseElementSameName | Immunization.fundingSource |
| Immunization.reaction | UseElementSameName | Immunization.reaction |
| Immunization.reaction.id | UseElementSameName | Immunization.reaction.id |
| Immunization.reaction.extension | UseElementSameName | Immunization.reaction.extension |
| Immunization.reaction.modifierExtension | UseElementSameName | Immunization.reaction.modifierExtension |
| Immunization.reaction.date | UseElementSameName | Immunization.reaction.date |
| Immunization.reaction.manifestation | UseExtension | http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.reaction.manifestation |
| Immunization.reaction.reported | UseElementSameName | Immunization.reaction.reported |
| Immunization.protocolApplied | UseElementSameName | Immunization.protocolApplied |
| Immunization.protocolApplied.id | UseElementSameName | Immunization.protocolApplied.id |
| Immunization.protocolApplied.extension | UseElementSameName | Immunization.protocolApplied.extension |
| Immunization.protocolApplied.modifierExtension | UseElementSameName | Immunization.protocolApplied.modifierExtension |
| Immunization.protocolApplied.series | UseElementSameName | Immunization.protocolApplied.series |
| Immunization.protocolApplied.authority | UseElementSameName | Immunization.protocolApplied.authority |
| Immunization.protocolApplied.targetDisease | UseElementSameName | Immunization.protocolApplied.targetDisease |
| Immunization.protocolApplied.doseNumber | UseElementRenamed | Immunization.protocolApplied.doseNumber[x] |
| Immunization.protocolApplied.seriesDoses | UseElementRenamed | Immunization.protocolApplied.seriesDoses[x] |