diff --git a/structuredefinitions/UKCore-Observation-VitalSigns-BloodPressure.xml b/structuredefinitions/UKCore-Observation-VitalSigns-BloodPressure.xml
index ab78e766..4aae2219 100644
--- a/structuredefinitions/UKCore-Observation-VitalSigns-BloodPressure.xml
+++ b/structuredefinitions/UKCore-Observation-VitalSigns-BloodPressure.xml
@@ -17,7 +17,7 @@
       <rank value="1" />
     </telecom>
   </contact>
-  <description value="Defines the additional constraints and extensions on the UK Core Observation Vital Signs profile" />
+  <description value="Defines the additional constraints and extensions on the UK Core Observation Vital Signs profile, for the recording of blood pressure observations" />
   <purpose value="To provide implementers with additional support when implementing blood pressure monitoring and to provide a consistent structure to how the data is presented." />
   <copyright value="Copyright © 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7 The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html." />
   <fhirVersion value="4.0.1" />
@@ -78,6 +78,49 @@
       <min value="1" />
       <max value="2" />
     </element>
+    <element id="Observation.component.code">
+      <path value="Observation.component.code" />
+      <binding>
+        <strength value="preferred" />
+        <description value="A code from the SNOMED Clinical Terminology UK coding system describing a type of vital sign." />
+        <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationVitalSignsType" />
+      </binding>
+    </element>
+    <element id="Observation.component.code.coding">
+      <path value="Observation.component.code.coding" />
+      <slicing>
+        <discriminator>
+          <type value="value" />
+          <path value="system" />
+        </discriminator>
+        <rules value="open" />
+      </slicing>
+    </element>
+    <element id="Observation.component.code.coding:loinc">
+      <path value="Observation.component.code.coding" />
+      <sliceName value="loinc" />
+      <binding>
+        <strength value="extensible" />
+        <valueSet value="http://hl7.org/fhir/ValueSet/observation-vitalsignresult" />
+      </binding>
+    </element>
+    <element id="Observation.component.code.coding:loinc.system">
+      <path value="Observation.component.code.coding.system" />
+      <fixedUri value="http://loinc.org" />
+    </element>
+    <element id="Observation.component.code.coding:snomedCT">
+      <path value="Observation.component.code.coding" />
+      <sliceName value="snomedCT" />
+      <binding>
+        <strength value="preferred" />
+        <description value="A code from the SNOMED Clinical Terminology UK coding system describing a type of observation for vital-signs" />
+        <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationVitalSignsType" />
+      </binding>
+    </element>
+    <element id="Observation.component.code.coding:snomedCT.system">
+      <path value="Observation.component.code.coding.system" />
+      <fixedUri value="http://snomed.info/sct" />
+    </element>
     <element id="Observation.component:SystolicBP">
       <path value="Observation.component" />
       <sliceName value="SystolicBP" />
diff --git a/structuredefinitions/UKCore-Observation-VitalSigns.xml b/structuredefinitions/UKCore-Observation-VitalSigns.xml
index 093653e3..fc6a12dd 100644
--- a/structuredefinitions/UKCore-Observation-VitalSigns.xml
+++ b/structuredefinitions/UKCore-Observation-VitalSigns.xml
@@ -155,48 +155,5 @@
       <path value="Observation.effective[x]" />
       <min value="1" />
     </element>
-    <element id="Observation.component.code">
-      <path value="Observation.component.code" />
-      <binding>
-        <strength value="preferred" />
-        <description value="A code from the SNOMED Clinical Terminology UK coding system describing a type of vital sign." />
-        <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationVitalSignsType" />
-      </binding>
-    </element>
-    <element id="Observation.component.code.coding">
-      <path value="Observation.component.code.coding" />
-      <slicing>
-        <discriminator>
-          <type value="value" />
-          <path value="system" />
-        </discriminator>
-        <rules value="open" />
-      </slicing>
-    </element>
-    <element id="Observation.component.code.coding:loinc">
-      <path value="Observation.component.code.coding" />
-      <sliceName value="loinc" />
-      <binding>
-        <strength value="extensible" />
-        <valueSet value="http://hl7.org/fhir/ValueSet/observation-vitalsignresult" />
-      </binding>
-    </element>
-    <element id="Observation.component.code.coding:loinc.system">
-      <path value="Observation.component.code.coding.system" />
-      <fixedUri value="http://loinc.org" />
-    </element>
-    <element id="Observation.component.code.coding:snomedCT">
-      <path value="Observation.component.code.coding" />
-      <sliceName value="snomedCT" />
-      <binding>
-        <strength value="preferred" />
-        <description value="A code from the SNOMED Clinical Terminology UK coding system describing a type of observation for vital-signs" />
-        <valueSet value="https://fhir.hl7.org.uk/ValueSet/UKCore-ObservationVitalSignsType" />
-      </binding>
-    </element>
-    <element id="Observation.component.code.coding:snomedCT.system">
-      <path value="Observation.component.code.coding.system" />
-      <fixedUri value="http://snomed.info/sct" />
-    </element>
   </differential>
 </StructureDefinition>
\ No newline at end of file
diff --git a/valuesets/ValueSet-UKCore-BloodPressure-CuffSize.xml b/valuesets/ValueSet-UKCore-BloodPressure-CuffSize.xml
index ad9afa85..b009f5ad 100644
--- a/valuesets/ValueSet-UKCore-BloodPressure-CuffSize.xml
+++ b/valuesets/ValueSet-UKCore-BloodPressure-CuffSize.xml
@@ -16,7 +16,7 @@
 			<rank value="1"/>
 		</telecom>
 	</contact>
-	<description value="A set of codes that define a sphygmomanometer cuff size. Selected from the SNOMED CT UK coding system:
+	<description value="A set of codes that define a sphygmomanometer cuff size used with a device. Selected from the SNOMED CT UK coding system:
 &#13; - DescendantOf 70665002 | Blood pressure cuff, device (physical object)"/>
 	<copyright value="Copyright &#169; 2021+ HL7 UK Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7&#174; FHIR&#174; standard Copyright &#169; 2011+ HL7 The HL7&#174; FHIR&#174; standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html."/>
 	<compose>
diff --git a/valuesets/ValueSet-UKCore-BloodPressure-Diastolic.xml b/valuesets/ValueSet-UKCore-BloodPressure-Diastolic.xml
index ba54f055..60ac6576 100644
--- a/valuesets/ValueSet-UKCore-BloodPressure-Diastolic.xml
+++ b/valuesets/ValueSet-UKCore-BloodPressure-Diastolic.xml
@@ -16,7 +16,7 @@
       <rank value="1" />
     </telecom>
   </contact>
-  <description value="A code from the SNOMED CT UK coding system for the diastolic blood pressure. Selected from the SNOMED CT UK coding system:
+  <description value="A code from the SNOMED CT UK coding system for the recording of a single diastolic blood pressure reading. Selected from the SNOMED CT UK coding system:
 &#13; - 163031004 | On examination - Diastolic blood pressure reading (finding)
 &#13;
 &#13; - DescendantOrSelfOf 271650006 | Diastolic blood pressure (observable entity)
diff --git a/valuesets/ValueSet-UKCore-BloodPressure-Systolic.xml b/valuesets/ValueSet-UKCore-BloodPressure-Systolic.xml
index f3107556..7ad05c16 100644
--- a/valuesets/ValueSet-UKCore-BloodPressure-Systolic.xml
+++ b/valuesets/ValueSet-UKCore-BloodPressure-Systolic.xml
@@ -16,7 +16,7 @@
       <rank value="1" />
     </telecom>
   </contact>
-  <description value="A code from the SNOMED CT UK coding system for the systolic blood pressure. Selected from the SNOMED CT UK coding system:
+  <description value="A code from the SNOMED CT UK coding system for the recording of a single systolic blood pressure reading. Selected from the SNOMED CT UK coding system:
 &#13; - 163030003 | On examination - Systolic blood pressure reading (finding)
 &#13;
 &#13; - DescendantOrSelfOf 271649006 | Systolic blood pressure (observable entity)
diff --git a/valuesets/ValueSet-UKCore-BloodPressure.xml b/valuesets/ValueSet-UKCore-BloodPressure.xml
index 8e4bbf61..100f8a73 100644
--- a/valuesets/ValueSet-UKCore-BloodPressure.xml
+++ b/valuesets/ValueSet-UKCore-BloodPressure.xml
@@ -16,7 +16,7 @@
       <rank value="1" />
     </telecom>
   </contact>
-  <description value="A code from the SNOMED CT UK coding system for recording blood pressure. Selected from the SNOMED CT UK coding system:
+  <description value="A code from the SNOMED CT UK coding system for recording and grouping of a single set of blood pressure readings, and excludes specific systolic / diastolic readings. Selected from the SNOMED CT UK coding system:
 &#13; - DescendantOrSelfOf 163020007 | On examination - blood pressure reading (finding) 
 &#13; - MINUS 
 &amp;nbsp;&#13; - 163030003 | On examination - Systolic blood pressure reading (finding)