public static String getDisplayReferenceRange(
     ResultLimit resultLimit, String significantDigits, String separator) {
   String range = "";
   if (resultLimit != null && !GenericValidator.isBlankOrNull(resultLimit.getResultTypeId())) {
     if (NUMERIC_RESULT_TYPE_ID.equals(resultLimit.getResultTypeId())) {
       range =
           getDisplayNormalRange(
               resultLimit.getLowNormal(),
               resultLimit.getHighNormal(),
               significantDigits,
               separator);
     } else if (SELECT_LIST_RESULT_TYPE_IDS.contains(resultLimit.getResultTypeId())
         && !GenericValidator.isBlankOrNull(resultLimit.getDictionaryNormalId())) {
       return dictionaryDAO.getDataForId(resultLimit.getDictionaryNormalId()).getLocalizedName();
     }
   }
   return range;
 }