<status value="draft" /> <date value="2026-06-23" /> <publisher value="NHS England" /> <description value="Profile for NHS Health Check Online transaction bundle payloads. Enforces transaction semantics with PUT method, idempotent conditional creates, and urn:uuid references." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Bundle" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Bundle" /> <derivation value="constraint" /> <differential> <element id="Bundle"> <path value="Bundle" /> <short value="NHS Health Check Online transaction bundle" /> </element> <element id="Bundle.identifier"> <path value="Bundle.identifier" /> <short value="NHS Health Check business identifier (UUID)" /> <min value="1" /> </element> <element id="Bundle.type"> <path value="Bundle.type" /> <min value="1" /> <fixedCode value="transaction" /> </element> <element id="Bundle.timestamp"> <path value="Bundle.timestamp" /> <min value="1" /> </element> <element id="Bundle.entry"> <path value="Bundle.entry" /> <min value="1" /> </element> <element id="Bundle.entry.fullUrl"> <path value="Bundle.entry.fullUrl" /> <short value="Temporary UUID URN for internal references" /> <min value="1" /> </element> <element id="Bundle.entry.resource"> <path value="Bundle.entry.resource" /> <min value="1" /> </element> <element id="Bundle.entry.request"> <path value="Bundle.entry.request" /> <min value="1" /> </element> <element id="Bundle.entry.request.method"> <path value="Bundle.entry.request.method" /> <min value="1" /> <fixedCode value="PUT" /> </element> <element id="Bundle.entry.request.url"> <path value="Bundle.entry.request.url" /> <short value="ResourceType/id" /> <min value="1" /> </element> <element id="Bundle.entry.request.ifNoneMatch"> <path value="Bundle.entry.request.ifNoneMatch" /> <short value="Conditional create - idempotent" /> <min value="1" /> <fixedString value="*" /> </element> </differential> </StructureDefinition>