<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="observation-geneticsAminoAcidChange" />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1" />
  </extension>
  <url value="http://hl7.org/fhir/StructureDefinition/observation-geneticsAminoAcidChange" />
  <version value="4.0.0" />
  <name value="AminoAcidChange" />
  <status value="draft" />
  <date value="2016-03-14" />
  <publisher value="Health Level Seven International (Clinical Genomics)" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://www.hl7.org/Special/committees/clingenomics" />
    </telecom>
  </contact>
  <description value="AminoAcidChange information." />
  <fhirVersion value="4.0.0" />
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Observation" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="AminoAcidChange" />
      <definition value="AminoAcidChange information." />
      <min value="0" />
      <max value="1" />
      <mapping>
        <identity value="v2" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.extension:Name">
      <path value="Extension.extension" />
      <sliceName value="Name" />
      <short value="HGVS nomenclature for observed Amino Acid Change" />
      <definition value="Human Genome Variation Society (HGVS) nomenclature for an amino acid change. Reference sequence ID used for HGVS naming must be annotated. An amino acid is a sequence feature that corresponds to a single amino acid residue in a polypeptide ([SO:0001237](http://www.sequenceontology.org/browser/current_svn/term/SO:0001237)). LOINC Code: ([48005-3](http://loinc.org/48005-3))." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
      <mapping>
        <identity value="v2" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.extension:Name.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:Name.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="Name" />
    </element>
    <element id="Extension.extension:Name.valueCodeableConcept">
      <path value="Extension.extension.valueCodeableConcept" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <binding>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="ClinVar-variant-database" />
        </extension>
        <strength value="preferred" />
        <description value="NCBI central repository of potentially clinically relevant variants." />
        <valueSet value="http://hl7.org/fhir/ValueSet/clinvar" />
      </binding>
    </element>
    <element id="Extension.extension:Type">
      <path value="Extension.extension" />
      <sliceName value="Type" />
      <short value="Amino Acid Change Type" />
      <definition value="Codified type for associated Amino Acid Change.  LOINC Code: ([48006-1](http://loinc.org/48006-1))." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
      <mapping>
        <identity value="v2" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.extension:Type.extension">
      <path value="Extension.extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.extension:Type.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="Type" />
    </element>
    <element id="Extension.extension:Type.valueCodeableConcept">
      <path value="Extension.extension.valueCodeableConcept" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/observation-geneticsAminoAcidChange" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <min value="0" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>