Medical condition lookup with autocomplete-lhc

<!DOCTYPE html>
<html>

  <head>
    <title>Autcomplete-lhc example for Medical Conditions</title>
    <link href='https://lhcforms-static.nlm.nih.gov/autocomplete-lhc-versions/17.0.3/autocomplete-lhc.min.css' rel="stylesheet">
  </head>

  <body>
    Medical condition: <input type="text" id="condition" placeholder="Condition">
    <p>
    ICD-9 Code:  <input type="text" id="icd9_code" placeholder="ICD-9 Code">
    <p>
    <p>This <a href="http://lhncbc.github.io/autocomplete-lhc/" target=_blank
     >autocomplete-lhc</a> example uses the <a
     href="https://clinicaltables.nlm.nih.gov/apidoc/conditions/v3/doc.html"
     target=_blank>Medical conditions API</a> of the <a
     href="https://clinicaltables.nlm.nih.gov" target=_blank
     >Clinical Table Search Service</a>.</p>
  
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <!-- example CDN-- you may choose another source --> 
    <script src='https://lhcforms-static.nlm.nih.gov/autocomplete-lhc-versions/17.0.3/autocomplete-lhc.min.js'></script>
    <script>
      new Def.Autocompleter.Search('condition',
        'https://clinicaltables.nlm.nih.gov/api/conditions/v3/search?ef=term_icd9_code');
      Def.Autocompleter.Event.observeListSelections('condition', function() {
        var conditionField = $('#condition')[0];
        var autocomp = condition.autocomp;
        var itemData = autocomp.getSelectedItemData();
        $('#icd9_code')[0].value = itemData && itemData[0].data ?
          itemData[0].data.term_icd9_code  : '';
      });
    </script>
  </body>

</html>