Definition for Code SystemReferenceHandlingPolicy

 <?xml version="1.0" encoding="UTF-8"?> <CodeSystem xmlns="http://hl7.org/fhir"> <id value="reference-handling-policy"/>  <meta>  <lastUpdated value="2026-03-23T15:00:02.316+00:00"/>  </meta>  <text>  <status value="generated"/>  <div xmlns="http://www.w3.org/1999/xhtml"> <p class="res-header-id"> <b> Generated Narrative: CodeSystem reference-handling-policy</b>  </p>  <a name="reference-handling-policy"> </a>  <a name="hcreference-handling-policy"> </a>  <p> This case-sensitive code system <code> http://hl7.org/fhir/reference-handling-policy</code>  defines the following codes: </p>  <table class="codes"> <tr>  <td style="white-space:nowrap"> <b> Code</b>  </td>  <td>  <b> Display</b>  </td>  <td>  <b> Definition</b>  </td>  </tr>  <tr>  <td style="white-space:nowrap">literal <a name="reference-handling-policy-literal"> </a>  </td>  <td> Literal References</td>  <td> The server supports and populates Literal references (i.e. using Reference.reference) where they are known (this code does not guarantee that all references are literal; see 'enforced').</td>  </tr>  <tr>  <td style="white-space:nowrap">logical <a name="reference-handling-policy-logical"> </a>  </td>  <td> Logical References</td>  <td> The server allows logical references (i.e. using Reference.identifier).</td>  </tr>  <tr>  <td style="white-space:nowrap">resolves <a name="reference-handling-policy-resolves"> </a>  </td>  <td> Resolves References</td>  <td> The server will attempt to resolve logical references to literal references - i.e. converting Reference.identifier to Reference.reference (if resolution fails, the server may still accept resources; see logical).</td>  </tr>  <tr>  <td style="white-space:nowrap">enforced <a name="reference-handling-policy-enforced"> </a>  </td>  <td> Reference Integrity Enforced</td>  <td> The server enforces that references have integrity - e.g. it ensures that references can always be resolved. This is typically the case for clinical record systems, but often not the case for middleware/proxy systems.</td>  </tr>  <tr>  <td style="white-space:nowrap">local <a name="reference-handling-policy-local"> </a>  </td>  <td> Local References Only</td>  <td> The server does not support references that point to other servers.</td>  </tr>  </table>  </div>  </text>  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="fhir"/>  </extension>  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="normative"/>  </extension>  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="5"/>  </extension>  <url value="http://hl7.org/fhir/reference-handling-policy"/>  <identifier>  <system value="urn:ietf:rfc:3986"/>  <value value="urn:oid:2.16.840.1.113883.4.642.4.203"/>  </identifier>  <identifier>  <use value="old"/>  <system value="urn:ietf:rfc:3986"/>  <value value="urn:oid:2.16.840.1.113883.4.642.1.193"/>  </identifier>  <version value="6.0.0-ballot4"/>  <name value="ReferenceHandlingPolicy"/>  <title value="Reference Handling Policy"/>  <status value="active"/>  <experimental value="false"/>  <date value="2021-01-05T10:01:24+11:00"/>  <publisher value="HL7 (FHIR Project)"/>  <contact>  <telecom>  <system value="url"/>  <value value="http://hl7.org/fhir"/>  </telecom>  <telecom>  <system value="email"/>  <value value="fhir@lists.hl7.org"/>  </telecom>  </contact>  <description value="A set of flags that defines how references are supported."/>  <jurisdiction>  <coding>  <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>  <code value="001"/>  <display value="World"/>  </coding>  </jurisdiction>  <caseSensitive value="true"/>  <valueSet value="http://hl7.org/fhir/ValueSet/reference-handling-policy"/>  <content value="complete"/>  <concept>  <code value="literal"/>  <display value="Literal References"/>  <definition value="The server supports and populates Literal references (i.e. using Reference.reference) where they are known (this code does not guarantee that all references are literal; see 'enforced')."/>  </concept>  <concept>  <code value="logical"/>  <display value="Logical References"/>  <definition value="The server allows logical references (i.e. using Reference.identifier)."/>  </concept>  <concept>  <code value="resolves"/>  <display value="Resolves References"/>  <definition value="The server will attempt to resolve logical references to literal references - i.e. converting Reference.identifier to Reference.reference (if resolution fails, the server may still accept resources; see logical)."/>  </concept>  <concept>  <code value="enforced"/>  <display value="Reference Integrity Enforced"/>  <definition value="The server enforces that references have integrity - e.g. it ensures that references can always be resolved. This is typically the case for clinical record systems, but often not the case for middleware/proxy systems."/>  </concept>  <concept>  <code value="local"/>  <display value="Local References Only"/>  <definition value="The server does not support references that point to other servers."/>  </concept>  </CodeSystem>