diff --git a/xml/FHIR-us-codex-radiation-therapy.xml b/xml/FHIR-us-codex-radiation-therapy.xml
index aac5c036..f4e68739 100644
--- a/xml/FHIR-us-codex-radiation-therapy.xml
+++ b/xml/FHIR-us-codex-radiation-therapy.xml
@@ -231,7 +231,7 @@
 <artifact deprecated="true" id="ValueSet/codex-radiotherapy-reason-for-revision-vs" key="ValueSet-codex-radiotherapy-reason-for-revision-vs" name="Reason for Revision Value Set"/>
 <artifact id="StructureDefinition/codexrt-radiotherapy-reason-for-revision-or-adaptation" key="StructureDefinition-codexrt-radiotheraphy-reason-for-revision-or-adaptation" name="Reason for Revision or Adaptation"/>
 <artifact id="StructureDefinition/codexrt-dicom-reference" key="StructureDefinition-codexrt-dicom-reference" name="Reference to DICOM SOP Instance"/>
-<artifact id="CodeSystem/snomed-requested-cs" key="CodeSystem-snomed-requested-cs" name="Requested SNOMED Codes Code System"/>
+<artifact deprecated="true" id="CodeSystem/snomed-requested-cs" key="CodeSystem-snomed-requested-cs" name="Requested SNOMED Codes Code System"/>
 <artifact id="StructureDefinition/codexrt-radiotherapy-respiratory-motion-management" key="StructureDefinition-codexrt-radiotherapy-respiratory-motion-management" name="Respiratory Motion Management"/>
 <artifact deprecated="true" id="SearchParameter/Patient-id" key="SearchParameter-Patient-id" name="Search by _id in Patients with multipleOr"/>
 <artifact deprecated="true" id="SearchParameter/Condition-code" key="SearchParameter-Condition-code" name="Search by code:in in Conditions"/>