diff --git a/input/examples/practitioner/AllzeitBereit.xml b/input/examples/practitioner/AllzeitBereit.xml
index eb03b1c..885dd9c 100644
--- a/input/examples/practitioner/AllzeitBereit.xml
+++ b/input/examples/practitioner/AllzeitBereit.xml
@@ -12,7 +12,17 @@
         <use value="official"/>
         <family value="Bereit"/>
         <given value="Allzeit"/>
-        <prefix value="Dr. med."/>
+        <prefix value="Herr" />
+        <prefix value="Dr. med.">
+            <extension url="http://hl7.org/fhir/StructureDefinition/iso21090-EN-qualifier">
+                <valueCode value="AC"/>
+            </extension>
+        </prefix>
+        <prefix value="Allg. Gruppenpraxis AG">
+            <extension url="http://hl7.org/fhir/StructureDefinition/iso21090-EN-qualifier">
+                <valueCode value="LS"/>
+            </extension>
+        </prefix>
         <suffix value="Facharzt für Allgemeine Medizin"/>
     </name>
 </Practitioner> 
\ No newline at end of file
diff --git a/input/examples/practitioner/HanspeterWengerByBFH.xml b/input/examples/practitioner/HanspeterWengerByBFH.xml
index a1d9b38..581a1f4 100644
--- a/input/examples/practitioner/HanspeterWengerByBFH.xml
+++ b/input/examples/practitioner/HanspeterWengerByBFH.xml
@@ -18,7 +18,7 @@
         <b>identifier</b>: 7601000050717, Q123456
       </p>
       <p>
-        <b>name</b>: Hanspeter Wenger 
+        <b>name</b>: Herr Dr. med. Hanspeter Wenger 
       </p>
       <p>
         <b>gender</b>: MALE
@@ -39,7 +39,12 @@
   <name>
     <family value="Wenger"/>
     <given value="Hanspeter"/>
-    <prefix value="Dr. med."/>
+    <prefix value="Herr"/>
+    <prefix value="Dr. med.">
+      <extension url="http://hl7.org/fhir/StructureDefinition/iso21090-EN-qualifier">
+        <valueCode value="AC"/>
+     </extension>
+    </prefix>
   </name>
   <gender value="male"/>
   <birthDate value="1965-12-13"/>
diff --git a/input/resources/structuredefinition/ch-core-humanname.xml b/input/resources/structuredefinition/ch-core-humanname.xml
index 33c2a67..4030a17 100644
--- a/input/resources/structuredefinition/ch-core-humanname.xml
+++ b/input/resources/structuredefinition/ch-core-humanname.xml
@@ -182,5 +182,25 @@
                 <map value="eCH-0010: mrMrs, title" />
             </mapping>
         </element>
+        <element id="HumanName.prefix.extension">
+            <path value="HumanName.prefix.extension" />
+            <slicing>
+                <discriminator>
+                    <type value="value" />
+                    <path value="url" />
+                </discriminator>
+                <rules value="open" />
+            </slicing>
+        </element>
+        <element id="HumanName.prefix.extension:salutationandtitle">
+            <path value="HumanName.prefix.extension" />
+            <sliceName value="salutationandtitle" />
+            <definition value="For academical titles and legal status use the http://hl7.org/fhir/ExtensionDefinition/iso21090-EN-qualifier with the codes AC, LS. For a salutation use a prefix without an the iso21090-EN-qualifier extension."/>
+            <max value="*" />
+            <type>
+                <code value="Extension" />
+                <profile value="http://hl7.org/fhir/StructureDefinition/iso21090-EN-qualifier" />
+            </type>
+        </element>
     </differential>
 </StructureDefinition>
\ No newline at end of file