NPHCDA Immunization FHIR IG, published by https://nphcda.gov.ng. This guide is not an authorized publication; it is the continuous build for version 0.7.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Nigeria-FHIR-Community/NPHCDA-ImmunizationIG/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON
• TTL

: Example NG-Imm Registration Update Observation (Subsequent Visit) - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="observation-002"/>
  <meta>
    <profile
             value="https://nphcda.gov.ng/ig/StructureDefinition/NgImmRUObservation"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation observation-002</b></p><a name="observation-002"> </a><a name="hcobservation-002"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px"/><p style="margin-bottom: 0px">Profile: <a href="StructureDefinition-NgImmRUObservation.html">NG-Imm ClientRegistUpdate-Observations</a></p></div><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category social-history}">Social History</span></p><p><b>code</b>: <span title="Codes:{http://loinc.org 30525-0}">Age</span></p><p><b>subject</b>: <a href="Patient-patient-003.html">Tolu Oluwatobi Adeyemi  Male, DoB: 2022-09-21 ( MRN)</a></p><p><b>effective</b>: 2025-10-10 10:00:00+0100</p><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{http://loinc.org 82810-3}">Pregnancy status</span></p><p><b>value</b>: <span title="Codes:{https://nphcda.gov.ng/ig/CodeSystem/nigeria-pregnancy-status notpregnant}">Not Pregnant</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{http://snomed.info/sct 278977008}">HIV status</span></p><p><b>value</b>: <span title="Codes:{https://nphcda.gov.ng/ig/ValueSet/nigeria-hiv-status DE46}">DE46</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{https://nphcda.gov.ng/ig/CodeSystem/age-component-codes age-in-weeks}">Age in weeks</span></p><p><b>value</b>: 5 week<span style="background: LightGoldenRodYellow"> (Details: UCUM  codewk = 'wk')</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{https://nphcda.gov.ng/ig/CodeSystem/age-component-codes age-in-months}">Age in months</span></p><p><b>value</b>: 2 month</p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title="Codes:{https://nphcda.gov.ng/ig/CodeSystem/age-component-codes age-in-years}">Age in years</span></p><p><b>value</b>: 0 year</p></blockquote></div>
  </text>
  <status value="final"/>
  <category>
    <coding>
      <system
              value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="social-history"/>
      <display value="Social History"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="30525-0"/>
      <display value="Age"/>
    </coding>
  </code>
  <subject>🔗 
    <reference value="Patient/patient-003"/>
  </subject>
  <effectiveDateTime value="2025-10-10T10:00:00+01:00"/>
  <component>
    <code>
      <coding>
        <system value="http://loinc.org"/>
        <code value="82810-3"/>
        <display value="Pregnancy status"/>
      </coding>
    </code>
    <valueCodeableConcept>
      <coding>
        <system
                value="https://nphcda.gov.ng/ig/CodeSystem/nigeria-pregnancy-status"/>
        <code value="notpregnant"/>
        <display value="Not Pregnant"/>
      </coding>
    </valueCodeableConcept>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://snomed.info/sct"/>
        <code value="278977008"/>
        <display value="HIV status"/>
      </coding>
    </code>
    <valueCodeableConcept>
      <coding>
        <system value="https://nphcda.gov.ng/ig/ValueSet/nigeria-hiv-status"/>
        <code value="DE46"/>
      </coding>
    </valueCodeableConcept>
  </component>
  <component>
    <code>
      <coding>
        <system
                value="https://nphcda.gov.ng/ig/CodeSystem/age-component-codes"/>
        <code value="age-in-weeks"/>
        <display value="Age in weeks"/>
      </coding>
    </code>
    <valueQuantity>
      <value value="5"/>
      <unit value="week"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="wk"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <coding>
        <system
                value="https://nphcda.gov.ng/ig/CodeSystem/age-component-codes"/>
        <code value="age-in-months"/>
        <display value="Age in months"/>
      </coding>
    </code>
    <valueQuantity>
      <value value="2"/>
      <unit value="month"/>
      <system value="http://unitsofmeasure.org"/>
    </valueQuantity>
  </component>
  <component>
    <code>
      <coding>
        <system
                value="https://nphcda.gov.ng/ig/CodeSystem/age-component-codes"/>
        <code value="age-in-years"/>
        <display value="Age in years"/>
      </coding>
    </code>
    <valueQuantity>
      <value value="0"/>
      <unit value="year"/>
      <system value="http://unitsofmeasure.org"/>
    </valueQuantity>
  </component>
</Observation>