<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="UKCore-NHSNumberVerificationStatusWales" />
  <url value="https://fhir.hl7.org.uk/CodeSystem/UKCore-NHSNumberVerificationStatusWales" />
  <version value="1.0.1" />
  <name value="UKCoreNHSNumberVerificationStatusWales" />
  <title value="UK Core NHS Number Verification Status Wales" />
  <status value="active" />
  <date value="2023-04-28" />
  <publisher value="HL7 UK" />
  <contact>
    <name value="HL7 UK" />
    <telecom>
      <system value="email" />
      <value value="ukcore@hl7.org.uk" />
      <use value="work" />
      <rank value="1" />
    </telecom>
  </contact>
  <description value="A CodeSystem for Wales that identifies the trace status of an NHS Number with respect to a national source of NHS Numbers. These codes and their descriptions represent concepts used in Wales and are copied from the content of the [NHS Wales Data Dictionary NHS Number Status Indicator](https://www.datadictionary.wales.nhs.uk/#!WordDocuments/nhsnumberstatusindicator.htm) web page on 18/11/2021." />
  <copyright value="Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
  <caseSensitive value="true" />
  <content value="complete" />
  <concept>
    <code value="nn" />
    <display value="Number present and traced using Welsh NHS AR" />
  </concept>
  <concept>
    <code value="01" />
    <display value="Number present &amp; traced" />
  </concept>
  <concept>
    <code value="02" />
    <display value="Number present but not traced" />
  </concept>
  <concept>
    <code value="03" />
    <display value="Trace required" />
  </concept>
  <concept>
    <code value="04" />
    <display value="Trace attempted – no match or multiple match found" />
  </concept>
  <concept>
    <code value="05" />
    <display value="Trace needs to be resolved (NHS number or patient detail conflict)" />
  </concept>
  <concept>
    <code value="06" />
    <display value="Trace in progress" />
  </concept>
  <concept>
    <code value="07" />
    <display value="Number not present and trace not required" />
  </concept>
  <concept>
    <code value="08" />
    <display value="Trace postponed (baby under six weeks old)" />
  </concept>
</CodeSystem>