cs-champ-activite-ATR">ATR</a></td><td>https://hl7.fr/ig/fhir/core/CodeSystem/fr-core-cs-champ-activite</td><td/></tr></table></div>

  <hr/>
  <p>
    Explanation of the columns that may appear on this page:
  </p>
  <table class="grid">
    <tr>
      <td>Level</td>
      <td>A few code lists that FHIR defines are hierarchical - each code is assigned a level.
          In this scheme, some codes are under other codes, and imply that the code they are under also applies</td>
    </tr>
    <tr>
      <td>Sy