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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="par-stadium"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem par-stadium</b></p><a name="par-stadium"> </a><a name="hcpar-stadium"> </a><p>This case-sensitive code system <code>https://fhir.cognovis.de/dental/CodeSystem/par-stadium</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">A<a name="par-stadium-A"> </a></td><td>Stadium A (langsame Progression)</td><td>Keine Evidenz für Progression in den letzten 5 Jahren, wenig Biofilmakkumulation (% BOP ≤10%, keine Furkationen Grad III)</td></tr><tr><td style="white-space:nowrap">B<a name="par-stadium-B"> </a></td><td>Stadium B (moderate Progression)</td><td>Moderate Progressionsgeschwindigkeit, mittlerer Biofilm/Entzündungsgrad (% BOP &gt;10%, max. Furkation Grad II)</td></tr><tr><td style="white-space:nowrap">C<a name="par-stadium-C"> </a></td><td>Stadium C (schnelle Progression)</td><td>Schnelle Progression, hoher Biofilm-/Risikofaktorenanteil (Furkationen Grad III, Raucher, unkontrollierter Diabetes)</td></tr></table></div>
  </text>
  <url value="https://fhir.cognovis.de/dental/CodeSystem/par-stadium"/>
  <version value="0.36.1"/>
  <name value="ParStadiumCS"/>
  <title value="PAR Stadium"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2026-05-30T11:39:14+00:00"/>
  <publisher value="cognovis GmbH"/>
  <contact>
    <name value="cognovis GmbH"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.cognovis.de"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="info@cognovis.de"/>
    </telecom>
  </contact>
  <description value="Parodontitis-Stadium (Grad der Progression) nach BSP/EFP-Klassifikation 2018 (Tonetti et al., J Periodontol 2018). Ergänzt die Stadien I–IV, die den Schweregrad beschreiben."/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="DE"/>
      <display value="Germany"/>
    </coding>
  </jurisdiction>
  <copyright value="Copyright 2026+ cognovis GmbH. Licensed under CC-BY-4.0."/>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="3"/>
  <concept>
    <code value="A"/>
    <display value="Stadium A (langsame Progression)"/>
    <definition value="Keine Evidenz für Progression in den letzten 5 Jahren, wenig Biofilmakkumulation (% BOP ≤10%, keine Furkationen Grad III)"/>
  </concept>
  <concept>
    <code value="B"/>
    <display value="Stadium B (moderate Progression)"/>
    <definition value="Moderate Progressionsgeschwindigkeit, mittlerer Biofilm/Entzündungsgrad (% BOP &gt;10%, max. Furkation Grad II)"/>
  </concept>
  <concept>
    <code value="C"/>
    <display value="Stadium C (schnelle Progression)"/>
    <definition value="Schnelle Progression, hoher Biofilm-/Risikofaktorenanteil (Furkationen Grad III, Raucher, unkontrollierter Diabetes)"/>
  </concept>
</CodeSystem>