NHS Booking and Referral Standard

This guidance is under active development by NHS Digital and content may be added or updated on a regular basis.

999 AST to CAS Referral

This guidance is specific to the 999 AST to CAS Referral application. It should be applied alongside the core guidance.

UKcore-Encounter resource

FHIR Element Cardinality Element Guidance Additional Guidance
start 0..1 This SHOULD be populated with the Call Connect time (T0). If this is not available it SHOULD be populated with the Call Answer Time (T1)

UKCore-CarePlan resource

FHIR Element Cardinality Element Guidance Additional Guidance
system 0..1 * Pathways Symptom Group (SG) code use ‘https://fhir.nhs.uk/Id/pathways-sg-code’ value
code 0..1 When you are passing an SG code this MUST be populated with the SG code
display 0..1 When you are passing an SG code this MUST be populated the SG code description
system 0..1 * Pathways Symptom Discriminator (SD) code use ‘https://fhir.nhs.uk/Id/pathways-sd-code’ value
code 0..1 When you are passing an SD code this MUST be populated with the SD code
display 0..1 When you are passing an SD code this MUST be populated the SD code description
system 0..1 * Pathways Disposition (DX) code use ‘https://fhir.nhs.uk/Id/pathways-dx-code’ value
code 0..1 When you are passing an Dx code this MUST be populated with the Dx code
display 0..1 When you are passing an Dx code this MUST be populated the Dx code description
system 0..1 * Ambulance Response Programme (ARP) code use ‘https://fhir.nhs.uk/Id/pathways-arp-code’ value
code 0..1 When you are passing an ARP code this MUST be populated with the ARP code
display 0..1 When you are passing an ARP code this MUST be populated the ARP code description
system 0..1 * AMPDS Dispatch Code use ‘https://fhir.nhs.uk/Id/ampds-code’ value
code 0..1 When you are passing an AMPDS dispatch code this MUST be populated with the AMPDS dispatch code
display 0..1 When you are passing an AMPDS dispatch code this MUST be populated the AMPDS dispatch code description

UKCore-Organisation resource

FHIR Element Cardinality Element Guidance Additional Guidance
value 0..1 Sender ODS code in the event that they need to receive an ambulance request.

UKCore-QuestionnaireResponse resource

This resource is used to communicate links to external sources of clinical information used in the triage/assessment of the patient that would be useful to the recipient.

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