<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://fhir.clevermed.com/StructureDefinition/Observation-BNet-Preg-AntenatalVisits" />
  <name value="Observation-BNet-Preg-AntenatalVisits" />
  <status value="draft" />
  <date value="2025-03-25T15:48:13.0190476Z" />
  <publisher value="Clevermed Ltd." />
  <contact>
    <name value="Clevermed BadgerNet Spine FHIR Team" />
    <telecom>
      <system value="email" />
      <value value="support@clevermed.com" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="Number of antenatal visits received during the first, second or third trimester." />
  <copyright value="(c) Clevermed Ltd.  Usage by permission and for BadgerNet Spine Platform integration only." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <short value="Antenatal visits" />
      <definition value="Number of antenatal visits received during the first, second or third trimester." />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <short value="Required snomed code for - Observation-BNet-Preg-AntenatalVisits" />
      <min value="1" />
      <fixedCode value="3401000175105" />
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <type>
        <code value="integer" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.id">
      <path value="Observation.id" />
      <short value="Unique resource identifier" />
      <definition value="" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Observation.status">
      <path value="Observation.status" />
      <short value="Fixed code for the status of this observation" />
      <definition value="" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <short value="Code to identify which trimester" />
      <definition value="" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.category.coding.system">
      <path value="Observation.category.coding.system" />
      <fixedUri value="http://snomed.info/sct" />
    </element>
    <element id="Observation.category.coding.code">
      <path value="Observation.category.coding.code" />
      <min value="1" />
      <binding>
        <strength value="required" />
        <description value="The following is the allowable values for trimester visits." />
        <valueSet value="https://simplifier.net/badgernet/ValueSet-BNet-Preg-Trimester" />
      </binding>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <short value="Reference to the postpartum person patient" />
      <definition value="" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>