This case-sensitive code system https://fhir.nhs.uk/England/CodeSystem/England-FlagCategoryPatient defines the following codes:

Code Display
NRAF National Reasonable Adjustments Flag
FGM Female Genital Mutilation Flag
<status value="draft" /> <experimental value="false" /> <date value="2025-03-03" /> <publisher value="NHS England" /> <contact> <name value="NHS England" /> <telecom> <system value="email" /> <value value="interoperabilityteam@nhs.net" /> <use value="work" /> <rank value="1" /> </telecom> </contact> <description value="A CodeSystem to identify the type/category of Flag." /> <copyright value="Copyright © 2025+ NHS England Licensed under the Apache License, Version 2.0 (the \"License\"); 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 \"AS IS\" 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" /> <count value="3" /> <concept> <code value="NRAF" /> <display value="National Reasonable Adjustment Flag" /> </concept> <concept> <code value="FGM" /> <display value="Female Genital Mutilation Flag" /> </concept> <concept> <code value="CP-IS" /> <display value="Child Protection Information System Flag" /> </concept> </CodeSystem>