diff --git a/r5/fhirpath/tests-fhir-r5.xml b/r5/fhirpath/tests-fhir-r5.xml
index 33688de9..2195188b 100644
--- a/r5/fhirpath/tests-fhir-r5.xml
+++ b/r5/fhirpath/tests-fhir-r5.xml
@@ -1782,4 +1782,11 @@ Any text enclosed within is ignored
 	  <test name="txTest02" testing="validateVS" mode="tx" inputfile="patient-example.xml"><expression>%terminologies.validateVS('http://hl7.org/fhir/ValueSet/administrative-gender', $this.gender).parameter.where(name = 'result').value</expression><output type="boolean">true</output></test>
 	  <test name="txTest03" testing="translate" mode="tx" inputfile="patient-example.xml"><expression>%terminologies.translate('http://hl7.org/fhir/ConceptMap/cm-address-use-v2', $this.address.use).parameter.where(name = 'match').part.where(name = 'concept').value.code</expression><output type="code">H</output></test>
 	</group>
+	
+	<group name="HTMLChecks">
+    <test name="htmlTest01" testing="htmlChecks" mode="html" inputfile="patient-example.xml"><expression>text.div.htmlChecks()</expression><output type="boolean">true</output></test>
+    <test name="htmlTest02" testing="htmlChecks" mode="html" inputfile="parameters-example-html.xml"><expression>%resource.parameter.where(name='goodHtml').value.htmlChecks()</expression><output type="boolean">true</output></test>
+    <test name="htmlTest03" testing="htmlChecks" mode="html" inputfile="parameters-example-html.xml"><expression>%resource.parameter.where(name='badHtml').value.htmlChecks()</expression><output type="boolean">false</output></test>
+    <test name="htmlTest04" testing="htmlChecks" mode="html" inputfile="parameters-example-html.xml"><expression>%resource.parameter.where(name='notString').value.htmlChecks().empty()</expression><output type="boolean">true</output></test>
+	</group>
 </tests>
diff --git a/r5/parameters-example-html.xml b/r5/parameters-example-html.xml
new file mode 100644
index 00000000..6db9565e
--- /dev/null
+++ b/r5/parameters-example-html.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Parameters xmlns="http://hl7.org/fhir" xmlns:f="http://hl7.org/fhir" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hl7.org/fhir schemas/fhir-single.xsd">
+	<id value="example-html"/>
+	<parameter>
+		<name value="goodHtml"/>
+		<valueString value="&lt;b&gt;This&lt;/b&gt; &lt;i&gt;is&lt;/i&gt; valid &lt;code&gt;HTML&lt;/code&gt;"/>
+	</parameter>
+	<parameter>
+		<name value="badHtml"/>
+		<valueString value="&lt;b&gt;This&lt;/b&gt; &lt;i&gt;is&lt;/i&gt; valid &lt;button&gt;HTML&lt;/button&gt;"/>
+	</parameter>
+	<parameter>
+		<name value="notString"/>
+		<valueInteger value="5"/>
+	</parameter>
+</Parameters>