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(v3.0.2:
STU
3).
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Codesystem-conditional-read-status.xml
Example
CodeSystem/conditional-read-status
(XML)
Raw
XML
(
canonical
form
+
also
see
XML
Format
Specification
)
Definition
for
Code
System
ConditionalReadStatus
SystemConditionalReadStatus
<?xml version="1.0" encoding="UTF-8"?>
not-supported
modified-since
not-match
full-support
<CodeSystem xmlns="http://hl7.org/fhir">
<id value="conditional-read-status"/>
<meta>
<lastUpdated value="2025-12-17T09:50:17.012+00:00"/>
</meta>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<p class="res-header-id">
<b> Generated Narrative: CodeSystem conditional-read-status</b>
</p>
<a name="conditional-read-status"> </a>
<a name="hcconditional-read-status"> </a>
<p> This case-sensitive code system
<code> http://hl7.org/fhir/conditional-read-status</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">not-supported
<a name="conditional-read-status-not-supported"> </a>
</td>
<td> Not Supported</td>
<td> No support for conditional reads.</td>
</tr>
<tr>
<td style="white-space:nowrap">modified-since
<a name="conditional-read-status-modified-since"> </a>
</td>
<td> If-Modified-Since</td>
<td> Conditional reads are supported, but only with the If-Modified-Since HTTP Header.</td>
</tr>
<tr>
<td style="white-space:nowrap">not-match
<a name="conditional-read-status-not-match"> </a>
</td>
<td> If-None-Match</td>
<td> Conditional reads are supported, but only with the If-None-Match HTTP Header.</td>
</tr>
<tr>
<td style="white-space:nowrap">full-support
<a name="conditional-read-status-full-support"> </a>
</td>
<td> Full Support</td>
<td> Conditional reads are supported, with both If-Modified-Since and If-None-Match
HTTP Headers.</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/conditional-read-status"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.4.201"/> </identifier> <identifier> <use value="old"/> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.1.191"/> </identifier> <version value="6.0.0-ballot3"/> <name value="ConditionalReadStatus"/> <title value="Conditional Read Status"/> <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 code that indicates how the server supports conditional read."/> <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/conditional-read-status"/> <content value="complete"/> <concept> <code value="not-supported"/> <display value="Not Supported"/> <definition value="No support for conditional reads."/> </concept> <concept> <code value="modified-since"/> <display value="If-Modified-Since"/> <definition value="Conditional reads are supported, but only with the If-Modified-Since HTTP Header."/> </concept> <concept> <code value="not-match"/> <display value="If-None-Match"/> <definition value="Conditional reads are supported, but only with the If-None-Match HTTP Header."/> </concept> <concept> <code value="full-support"/> <display value="Full Support"/> <definition value="Conditional reads are supported, with both If-Modified-Since and If-None-Match
HTTP Headers."/>
</concept>
</
CodeSystem
>
Usage
note:
every
effort
has
been
made
to
ensure
that
the
examples
are
correct
and
useful,
but
they
are
not
a
normative
part
of
the
specification.