diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/ResultSet.java b/src/main/java/dev/pcvolkmer/onco/datamapper/ResultSet.java
index 9c5a40e..b7ea5be 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/ResultSet.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/ResultSet.java
@@ -26,6 +26,7 @@ import dev.pcvolkmer.onco.datamapper.exceptions.DataAccessException;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.util.Date;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -183,4 +184,23 @@ public class ResultSet {
         throw new IllegalArgumentException("Cannot convert " + raw.getClass() + " to Boolean");
     }
 
+    /**
+     * Get Merkmal values as List of Strings
+     *
+     * @param columnName The name of the column
+     * @return The related Merkmal value(s) as List of Strings
+     */
+    @SuppressWarnings("unchecked")
+    public List<String> getMerkmalList(String columnName) {
+        var raw = this.rawData.get(columnName);
+
+        if (raw == null) {
+            return List.of();
+        } else if (raw instanceof List) {
+            return (List<String>) raw;
+        }
+
+        throw new IllegalArgumentException("Cannot get " + columnName + " as List of Strings");
+    }
+
 }
diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java b/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java
index ab5f14e..ac303d9 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/datacatalogues/AbstractSubformDataCatalogue.java
@@ -21,9 +21,11 @@
 package dev.pcvolkmer.onco.datamapper.datacatalogues;
 
 import dev.pcvolkmer.onco.datamapper.ResultSet;
+import org.springframework.dao.DataAccessException;
 import org.springframework.jdbc.core.JdbcTemplate;
 
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 /**
@@ -56,8 +58,45 @@ public abstract class AbstractSubformDataCatalogue extends AbstractDataCatalogue
                         ),
                         id)
                 .stream()
+                .filter(resultSet -> resultSet.containsKey("id"))
                 .map(ResultSet::from)
+                .peek(resultSet -> {
+                    var merkmale = getMerkmaleById(resultSet.getId());
+                    if (merkmale.isEmpty()) {
+                        return;
+                    }
+                    merkmale.forEach((key, value) ->
+                            resultSet.getRawData().put(key, value)
+                    );
+                })
                 .collect(Collectors.toList());
     }
 
+    /**
+     * Get procedure "Merkmale" result by procedure id and form field name
+     *
+     * @param id The parents procedure id
+     * @return The sub procedures
+     */
+    Map<String, List<String>> getMerkmaleById(int id) {
+        try {
+            var resultSet = this.jdbcTemplate.queryForList(
+                    String.format(
+                            "SELECT feldname, feldwert FROM %s_merkmale WHERE eintrag_id = ?",
+                            getTableName()
+                    ),
+                    id);
+
+            return resultSet.stream()
+                    .collect(
+                            Collectors.groupingBy(
+                                    m -> m.get("feldname").toString(),
+                                    Collectors.mapping(stringObjectMap -> stringObjectMap.get("feldwert").toString(), Collectors.toList())
+                            )
+                    );
+        } catch (DataAccessException e) {
+            return Map.of();
+        }
+    }
+
 }
diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungProzedurDataMapper.java b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungProzedurDataMapper.java
index c112e8b..6facb17 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungProzedurDataMapper.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungProzedurDataMapper.java
@@ -63,10 +63,11 @@ public class EinzelempfehlungProzedurDataMapper extends AbstractEinzelempfehlung
             );
         }
 
-        if (null != resultSet.getString("art_der_therapie")) {
+        // Nur der erste Eintrag!
+        if (!resultSet.getMerkmalList("art_der_therapie").isEmpty()) {
             resultBuilder.code(
                     getMtbProcedureRecommendationCategoryCoding(
-                            resultSet.getString("art_der_therapie"),
+                            resultSet.getMerkmalList("art_der_therapie").get(0),
                             resultSet.getInteger("art_der_therapie_propcat_version")
                     )
             );
@@ -92,7 +93,6 @@ public class EinzelempfehlungProzedurDataMapper extends AbstractEinzelempfehlung
         return catalogue.getAllByParentId(parentId)
                 .stream()
                 // Filter Prozedurempfehlung (Weitere Empfehlungen)
-                .filter(it -> it.getString("art_der_therapie") != null && !it.getString("art_der_therapie").isBlank())
                 .filter(it -> "sonstige".equals(it.getString("empfehlungskategorie")))
                 .map(this::map)
                 .collect(Collectors.toList());
diff --git a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungWirkstoffDataMapper.java b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungWirkstoffDataMapper.java
index 3cf62ae..5276f19 100644
--- a/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungWirkstoffDataMapper.java
+++ b/src/main/java/dev/pcvolkmer/onco/datamapper/mapper/EinzelempfehlungWirkstoffDataMapper.java
@@ -65,12 +65,13 @@ public class EinzelempfehlungWirkstoffDataMapper extends AbstractEinzelempfehlun
                 .medication(JsonToMedicationMapper.map(resultSet.getString("wirkstoffe_json")))
                 .levelOfEvidence(getLevelOfEvidence(resultSet));
 
-        if (null != resultSet.getString("art_der_therapie")) {
+        if (!resultSet.getMerkmalList("art_der_therapie").isEmpty()) {
             resultBuilder.category(
-                    getMtbMedicationRecommendationCategoryCoding(
-                            resultSet.getString("art_der_therapie"),
-                            resultSet.getInteger("art_der_therapie_propcat_version")
-                    )
+                    resultSet.getMerkmalList("art_der_therapie").stream()
+                            .map(value ->
+                                    getMtbMedicationRecommendationCategoryCoding(value, resultSet.getInteger("art_der_therapie_propcat_version"))
+                            )
+                            .collect(Collectors.toList())
             );
         }