<CodeSystem xmlns="http://hl7.org/fhir">
  <url value="https://fhir.nhs.uk/STU3/CodeSystem/NDOP-OptOutSource-1" />
  <version value="1.2.0" />
  <name value="Opt Out Source" />
  <status value="draft" />
  <publisher value="NHS Digital" />
  <contact>
    <name value="Interoperability Team" />
    <telecom>
      <system value="email" />
      <value value="interoperabilityteam@nhs.net" />
      <use value="work" />
    </telecom>
  </contact>
  <purpose value="Code system used to indicate how the Opt-out record was captured." />
  <copyright value="© 2017 NHS Digital" />
  <content value="complete" />
  <concept>
    <code value="OP" />
    <display value="Online Process" />
  </concept>
  <concept>
    <code value="PFSP" />
    <display value="Patient Facing Service App" />
  </concept>
  <concept>
    <code value="FN" />
    <display value="Form on NHS.UK" />
  </concept>
  <concept>
    <code value="CC" />
    <display value="Call Centre" />
  </concept>
  <concept>
    <code value="PP" />
    <display value="Paper Process" />
  </concept>
  <concept>
    <code value="MG" />
    <display value="NDOP Type 2 Migration" />
  </concept>
</CodeSystem>