<status value="active" /> <date value="2022-01-20" /> <publisher value="NHS Digital" /> <contact> <name value="NHS Digital" /> <telecom> <system value="email" /> <value value="interoperabilityteam@nhs.net" /> <use value="work" /> </telecom> </contact> <description value="Common messaging categories for Service Requests." /> <copyright value="Copyright © 2021 NHS Digital" /> <caseSensitive value="true" /> <content value="complete" /> <concept> <code value="validation" /> <display value="For Validation" /> <definition value="A Service Request for Validation" /> </concept> <concept> <code value="referral" /> <display value="Transfer of Care" /> <definition value="A Service Request for Transfer of Care" /> </concept> <concept> <code value="request" /> <display value="Request for service (eg: blood test)" /> <definition value="A Service Request" /> </concept> </CodeSystem>