<?xml version="1.0" encoding="UTF-8"?>
<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="vision-base-codes"/>
  <meta>
    <lastUpdated value="2023-03-26T15:21:02.749+11:00"/>
    <profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/>
  </meta>
  <text>
    <status value="generated"/>
    <div value="&lt;div xmlns=&quot;http://www.w3.org/1999/xhtml&quot;&gt;
            &lt;p&gt;This code system 
              &lt;code&gt;http://hl7.org/fhir/vision-base-codes&lt;/code&gt; defines the following codes:
            &lt;/p&gt;
            &lt;table class=&quot;codes&quot;&gt;
              &lt;tr&gt;
                &lt;td style=&quot;white-space:nowrap&quot;&gt;
                  &lt;b&gt;Code&lt;/b&gt;
                &lt;/td&gt;
                &lt;td&gt;
                  &lt;b&gt;Display&lt;/b&gt;
                &lt;/td&gt;
                &lt;td&gt;
                  &lt;b&gt;Definition&lt;/b&gt;
                &lt;/td&gt;
              &lt;/tr&gt;
              &lt;tr&gt;
                &lt;td style=&quot;white-space:nowrap&quot;&gt;up
                  &lt;a name=&quot;vision-base-codes-up&quot;&gt; &lt;/a&gt;
                &lt;/td&gt;
                &lt;td&gt;Up&lt;/td&gt;
                &lt;td&gt;top.&lt;/td&gt;
              &lt;/tr&gt;
              &lt;tr&gt;
                &lt;td style=&quot;white-space:nowrap&quot;&gt;down
                  &lt;a name=&quot;vision-base-codes-down&quot;&gt; &lt;/a&gt;
                &lt;/td&gt;
                &lt;td&gt;Down&lt;/td&gt;
                &lt;td&gt;bottom.&lt;/td&gt;
              &lt;/tr&gt;
              &lt;tr&gt;
                &lt;td style=&quot;white-space:nowrap&quot;&gt;in
                  &lt;a name=&quot;vision-base-codes-in&quot;&gt; &lt;/a&gt;
                &lt;/td&gt;
                &lt;td&gt;In&lt;/td&gt;
                &lt;td&gt;inner edge.&lt;/td&gt;
              &lt;/tr&gt;
              &lt;tr&gt;
                &lt;td style=&quot;white-space:nowrap&quot;&gt;out
                  &lt;a name=&quot;vision-base-codes-out&quot;&gt; &lt;/a&gt;
                &lt;/td&gt;
                &lt;td&gt;Out&lt;/td&gt;
                &lt;td&gt;outer edge.&lt;/td&gt;
              &lt;/tr&gt;
            &lt;/table&gt;
          &lt;/div&gt;"/>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="2"/>
  </extension>
  <url value="http://hl7.org/fhir/vision-base-codes"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.663"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.647"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.2.345"/>
  </identifier>
  <version value="5.0.0"/>
  <name value="VisionBase"/>
  <title value="Vision Base"/>
  <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 coded concept listing the base codes."/>
  <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/vision-base-codes"/>
  <content value="complete"/>
  <concept>
    <code value="up"/>
    <display value="Up"/>
    <definition value="top."/>
  </concept>
  <concept>
    <code value="down"/>
    <display value="Down"/>
    <definition value="bottom."/>
  </concept>
  <concept>
    <code value="in"/>
    <display value="In"/>
    <definition value="inner edge."/>
  </concept>
  <concept>
    <code value="out"/>
    <display value="Out"/>
    <definition value="outer edge."/>
  </concept>
</CodeSystem>