| Source Element | Usage | Target |
| ServiceRequest.id | UseOneOfElements | ServiceRequest.id,ServiceRequest.id,ServiceRequest.id |
| ServiceRequest.meta | UseOneOfElements | ServiceRequest.meta,ServiceRequest.meta,ServiceRequest.meta |
| ServiceRequest.implicitRules | UseOneOfElements | ServiceRequest.implicitRules,ServiceRequest.implicitRules,ServiceRequest.implicitRules |
| ServiceRequest.language | UseOneOfElements | ServiceRequest.language,ServiceRequest.language,ServiceRequest.language |
| ServiceRequest.text | UseOneOfElements | ServiceRequest.text,ServiceRequest.text,ServiceRequest.text |
| ServiceRequest.contained | UseOneOfElements | ServiceRequest.contained,ServiceRequest.contained,ServiceRequest.contained |
| ServiceRequest.extension | UseOneOfElements | ServiceRequest.extension,ServiceRequest.extension,ServiceRequest.extension |
| ServiceRequest.modifierExtension | UseOneOfElements | ServiceRequest.modifierExtension,ServiceRequest.modifierExtension,ServiceRequest.modifierExtension |
| ServiceRequest.identifier | UseOneOfElements | ServiceRequest.identifier,ServiceRequest.identifier,ServiceRequest.identifier |
| ServiceRequest.instantiatesCanonical | UseOneOfElements | ServiceRequest.instantiatesCanonical,ServiceRequest.instantiatesCanonical,ServiceRequest.instantiatesCanonical |
| ServiceRequest.instantiatesUri | UseOneOfElements | ServiceRequest.instantiatesUri,ServiceRequest.instantiatesUri,ServiceRequest.instantiatesUri |
| ServiceRequest.basedOn | UseOneOfElements | ServiceRequest.basedOn,ServiceRequest.basedOn,ServiceRequest.basedOn |
| ServiceRequest.replaces | UseOneOfElements | ServiceRequest.replaces,ServiceRequest.replaces,ServiceRequest.replaces |
| ServiceRequest.requisition | UseOneOfElements | ServiceRequest.requisition,ServiceRequest.requisition,ServiceRequest.requisition |
| ServiceRequest.status | UseOneOfElements | ServiceRequest.status,ServiceRequest.status,ServiceRequest.status |
| ServiceRequest.intent | UseOneOfElements | ServiceRequest.intent,ServiceRequest.intent,ServiceRequest.intent |
| ServiceRequest.category | UseOneOfElements | ServiceRequest.category,ServiceRequest.category,ServiceRequest.category |
| ServiceRequest.priority | UseOneOfElements | ServiceRequest.priority,ServiceRequest.priority,ServiceRequest.priority |
| ServiceRequest.doNotPerform | UseOneOfElements | ServiceRequest.doNotPerform,ServiceRequest.doNotPerform,ServiceRequest.doNotPerform |
| ServiceRequest.code | UseOneOfElements | ServiceRequest.code,ServiceRequest.code,ServiceRequest.code |
| ServiceRequest.orderDetail | UseExtension | http://hl7.org/fhir/4.3/StructureDefinition/extension-ServiceRequest.orderDetail |
| ServiceRequest.quantity[x] | UseOneOfElements | ServiceRequest.quantity[x],ServiceRequest.quantity[x],ServiceRequest.quantity[x] |
| ServiceRequest.subject | UseOneOfElements | ServiceRequest.subject,ServiceRequest.subject,ServiceRequest.subject |
| ServiceRequest.encounter | UseOneOfElements | ServiceRequest.encounter,ServiceRequest.encounter,ServiceRequest.encounter |
| ServiceRequest.occurrence[x] | UseOneOfElements | ServiceRequest.occurrence[x],ServiceRequest.occurrence[x],ServiceRequest.occurrence[x] |
| ServiceRequest.asNeeded[x] | UseOneOfElements | ServiceRequest.asNeeded[x],ServiceRequest.asNeeded[x],ServiceRequest.asNeeded[x] |
| ServiceRequest.authoredOn | UseOneOfElements | ServiceRequest.authoredOn,ServiceRequest.authoredOn,ServiceRequest.authoredOn |
| ServiceRequest.requester | UseOneOfElements | ServiceRequest.requester,ServiceRequest.requester,ServiceRequest.requester,ServiceRequest.requester,ServiceRequest.requester,ServiceRequest.requester |
| ServiceRequest.performerType | UseOneOfElements | ServiceRequest.performerType,ServiceRequest.performerType,ServiceRequest.performerType |
| ServiceRequest.performer | UseOneOfElements | ServiceRequest.performer,ServiceRequest.performer,ServiceRequest.performer |
| ServiceRequest.locationCode | UseOneOfElements | ServiceRequest.location,ServiceRequest.location,ServiceRequest.location |
| ServiceRequest.locationReference | UseOneOfElements | ServiceRequest.location,ServiceRequest.location,ServiceRequest.location |
| ServiceRequest.reasonCode | UseOneOfElements | ServiceRequest.reason,ServiceRequest.reason,ServiceRequest.reason |
| ServiceRequest.reasonReference | UseOneOfElements | ServiceRequest.reason,ServiceRequest.reason,ServiceRequest.reason |
| ServiceRequest.insurance | UseOneOfElements | ServiceRequest.insurance,ServiceRequest.insurance,ServiceRequest.insurance |
| ServiceRequest.supportingInfo | UseOneOfElements | ServiceRequest.supportingInfo,ServiceRequest.supportingInfo,ServiceRequest.supportingInfo |
| ServiceRequest.specimen | UseOneOfElements | ServiceRequest.specimen,ServiceRequest.specimen,ServiceRequest.specimen,ServiceRequest.specimen |
| ServiceRequest.bodySite | UseOneOfElements | ServiceRequest.bodySite,ServiceRequest.bodySite,ServiceRequest.bodySite |
| ServiceRequest.note | UseOneOfElements | ServiceRequest.note,ServiceRequest.note,ServiceRequest.note |
| ServiceRequest.patientInstruction | UseOneOfElements | ServiceRequest.patientInstruction.instruction[x],ServiceRequest.patientInstruction.instruction[x],ServiceRequest.patientInstruction.instruction[x] |
| ServiceRequest.relevantHistory | UseOneOfElements | ServiceRequest.relevantHistory,ServiceRequest.relevantHistory,ServiceRequest.relevantHistory |