North West Genomic Medicine Service Alliance
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DRAFT Implementation Guide

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: MCV - Mean corpuscular volume - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="OBX-MCV"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation OBX-MCV</b></p><a name="OBX-MCV"> </a><a name="hcOBX-MCV"> </a><p><b>identifier</b>: 4326e29b-0875-401c-8ed4-459ce1fa24f0</p><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category laboratory}">Laboratory</span></p><p><b>code</b>: <span title="Codes:{http://snomed.info/sct 1022491000000106}, {http://snomed.info/sct 1491000237105}, {http://snomed.info/sct 613061010000108}, {http://loinc.org 787-2}">MCV - Mean corpuscular volume</span></p><p><b>subject</b>: <a href="Bundle-FHIRDocumentGeneticReportBundle.html#urn-uuid-d6faafcf-db64-4c11-9da8-25f36774c1bd">Octavia CHISLETT</a></p><p><b>encounter</b>: <a href="Bundle-GenomicsOrderMessageAttachment.html#urn-uuid-984b8a89-4194-4eb4-a7ea-ca8049ebeea3">Bundle: identifier = https://tools.ietf.org/html/rfc4122#9612365d-52a4-4fab-87e7-8a09d753f095; type = message; timestamp = 2024-10-13 10:33:00+0000</a></p><p><b>effective</b>: 2025-01-29 10:37:26+0000</p><p><b>performer</b>: <a href="Bundle-FHIRDocumentGeneticReportBundle.html#urn-uuid-ee9b8fcc-c233-43e1-b7fb-b58ce4cf1db8">Bundle: identifier = urn:oid:2.16.724.4.8.10.200.10#1d7155e8-b5b8-4406-adda-01a474d5ff6c; type = document; timestamp = 2024-10-13 10:33:00+0000</a></p><p><b>value</b>: 85 fL<span style="background: LightGoldenRodYellow"> (Details: UCUM  codefL = 'fL')</span></p><h3>ReferenceRanges</h3><table class="grid"><tr><td style="display: none">-</td><td><b>Low</b></td><td><b>High</b></td><td><b>Type</b></td></tr><tr><td style="display: none">*</td><td>87.3 fL<span style="background: LightGoldenRodYellow"> (Details: unknown  codefL&quot; = 'fL&quot;')</span></td><td>82.4 fL<span style="background: LightGoldenRodYellow"> (Details: unknown  codefL&quot; = 'fL&quot;')</span></td><td><span title="Codes:{http://terminology.hl7.org/CodeSystem/referencerange-meaning normal}">Normal Range</span></td></tr></table></div>
  </text>
  <identifier>
    <value value="4326e29b-0875-401c-8ed4-459ce1fa24f0"/>
  </identifier>
  <status value="final"/>
  <category>
    <coding>
      <system
              value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="laboratory"/>
      <display value="Laboratory"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="1022491000000106"/>
      <display value="MCV - Mean corpuscular volume"/>
    </coding>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="1491000237105"/>
      <display value="Erythrocytes MCV (mean corpuscular volume) in blood"/>
    </coding>
    <coding>
      <system value="http://snomed.info/sct"/>
      <code value="613061010000108"/>
      <display
               value="MCV [Entitic mean volume] in Red Blood Cells by Automated count"/>
    </coding>
    <coding>
      <system value="http://loinc.org"/>
      <code value="787-2"/>
      <display
               value="MCV [Entitic mean volume] in Red Blood Cells by Automated count"/>
    </coding>
  </code>
  <subject>
    <reference value="urn:uuid:d6faafcf-db64-4c11-9da8-25f36774c1bd"/>
    <identifier>
      <system value="https://fhir.nhs.uk/Id/nhs-number"/>
      <value value="9449305552"/>
    </identifier>
    <display value="Octavia CHISLETT"/>
  </subject>
  <encounter>
    <reference value="urn:uuid:984b8a89-4194-4eb4-a7ea-ca8049ebeea3"/>
  </encounter>
  <effectiveDateTime value="2025-01-29T10:37:26+00:00"/>
  <performer>
    <reference value="urn:uuid:ee9b8fcc-c233-43e1-b7fb-b58ce4cf1db8"/>
  </performer>
  <valueQuantity>
    <value value="85"/>
    <unit value="fL"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="fL"/>
  </valueQuantity>
  <referenceRange>
    <low>
      <value value="87.3"/>
      <unit value="fL"/>
      <system value="ucum"/>
      <code value="fL&quot;"/>
    </low>
    <high>
      <value value="82.4"/>
      <unit value="fL"/>
      <system value="ucum"/>
      <code value="fL&quot;"/>
    </high>
    <type>
      <coding>
        <system
                value="http://terminology.hl7.org/CodeSystem/referencerange-meaning"/>
        <code value="normal"/>
        <display value="Normal Range"/>
      </coding>
    </type>
  </referenceRange>
</Observation>