<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="change-type"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem change-type</b></p><a name="change-type"> </a><a name="hcchange-type"> </a><p>This case-sensitive code system <code>https://annotatemd.com/fhir/ig/CodeSystem/change-type</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">classification-changed<a name="change-type-classification-changed"> </a></td><td>Classification Changed</td><td>Lesion diagnosis changed between time points</td></tr><tr><td style="white-space:nowrap">size-changed<a name="change-type-size-changed"> </a></td><td>Size Changed</td><td>Lesion dimensions changed significantly</td></tr><tr><td style="white-space:nowrap">new-finding<a name="change-type-new-finding"> </a></td><td>New Finding</td><td>Lesion not present in prior annotation</td></tr><tr><td style="white-space:nowrap">resolved<a name="change-type-resolved"> </a></td><td>Resolved</td><td>Lesion no longer visible at current time point</td></tr><tr><td style="white-space:nowrap">unchanged<a name="change-type-unchanged"> </a></td><td>Unchanged</td><td>No clinically significant change detected</td></tr></table></div>
  </text>
  <url value="https://annotatemd.com/fhir/ig/CodeSystem/change-type"/>
  <version value="0.1.0"/>
  <name value="ChangeType"/>
  <title value="Change Type"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2026-04-04T01:37:20+00:00"/>
  <publisher value="Annotate MD"/>
  <contact>
    <name value="Annotate MD"/>
    <telecom>
      <system value="url"/>
      <value value="https://annotatemd.com"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@annotatemd.com"/>
    </telecom>
  </contact>
  <description value="Types of changes detected between temporal annotation observations"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="5"/>
  <concept>
    <code value="classification-changed"/>
    <display value="Classification Changed"/>
    <definition value="Lesion diagnosis changed between time points"/>
  </concept>
  <concept>
    <code value="size-changed"/>
    <display value="Size Changed"/>
    <definition value="Lesion dimensions changed significantly"/>
  </concept>
  <concept>
    <code value="new-finding"/>
    <display value="New Finding"/>
    <definition value="Lesion not present in prior annotation"/>
  </concept>
  <concept>
    <code value="resolved"/>
    <display value="Resolved"/>
    <definition value="Lesion no longer visible at current time point"/>
  </concept>
  <concept>
    <code value="unchanged"/>
    <display value="Unchanged"/>
    <definition value="No clinically significant change detected"/>
  </concept>
</CodeSystem>