Codesystem-observation-relationshiptypes.xml

Definition for Code System ObservationRelationshipType

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="observation-relationshiptypes"/>
  <meta>
    <lastUpdated value="2016-12-06T12:22:34.981+11:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2>ObservationRelationshipType</h2>
      <div>
        <p>Codes specifying how two observations are related.</p>

      </div>
      <p>This code system http://hl7.org/fhir/observation-relationshiptypes defines the following
         codes:</p>
      <table class="codes">
        <tr>
          <td>
            <b>Code</b>
          </td>
          <td>
            <b>Display</b>
          </td>
          <td>
            <b>Definition</b>
          </td>
        </tr>
        <tr>
          <td>has-member
            <a name="observation-relationshiptypes-has-member"> </a>
          </td>
          <td>Has Member</td>
          <td>This observation is a group observation (e.g. a battery, a panel of tests, a set of vital
             sign measurements) that includes the target as a member of the group.</td>
        </tr>
        <tr>
          <td>derived-from
            <a name="observation-relationshiptypes-derived-from"> </a>
          </td>
          <td>Derived From</td>
          <td>The target resource (Observation or QuestionnaireResponse) is part of the information
             from which this observation value is derived. (e.g. calculated anion gap, Apgar score)
              NOTE:  &quot;derived-from&quot; is only logical choice when referencing QuestionnaireResponse.</td>
        </tr>
        <tr>
          <td>sequel-to
            <a name="observation-relationshiptypes-sequel-to"> </a>
          </td>
          <td>Sequel To</td>
          <td>This observation follows the target observation (e.g. timed tests such as Glucose Tolerance
             Test).</td>
        </tr>
        <tr>
          <td>replaces
            <a name="observation-relationshiptypes-replaces"> </a>
          </td>
          <td>Replaces</td>
          <td>This observation replaces a previous observation (i.e. a revised value). The target observation
             is now obsolete.</td>
        </tr>
        <tr>
          <td>qualified-by
            <a name="observation-relationshiptypes-qualified-by"> </a>
          </td>
          <td>Qualified By</td>
          <td>The value of the target observation qualifies (refines) the semantics of the source observation
             (e.g. a lipemia measure target from a plasma measure).</td>
        </tr>
        <tr>
          <td>interfered-by
            <a name="observation-relationshiptypes-interfered-by"> </a>
          </td>
          <td>Interfered By</td>
          <td>The value of the target observation interferes (degrades quality, or prevents valid observation)
             with the semantics of the source observation (e.g. a hemolysis measure target from a plasma
             potassium measure which has no value).</td>
        </tr>
      </table>
    </div>
  </text>
  <url value="http://hl7.org/fhir/observation-relationshiptypes"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.220"/>
  </identifier>
  <version value="1.8.0"/>
  <name value="ObservationRelationshipType"/>
  <status value="draft"/>
  <experimental value="false"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <date value="2016-12-06T12:22:34+11:00"/>
  <description value="Codes specifying how two observations are related."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/observation-relationshiptypes"/>
  <content value="complete"/>
  <concept>
    <code value="has-member"/>
    <display value="Has Member"/>
    <definition value="This observation is a group observation (e.g. a battery, a panel of tests, a set of vital
     sign measurements) that includes the target as a member of the group."/>
  </concept>
  <concept>
    <code value="derived-from"/>
    <display value="Derived From"/>
    <definition value="The target resource (Observation or QuestionnaireResponse) is part of the information
     from which this observation value is derived. (e.g. calculated anion gap, Apgar score)
      NOTE:  &quot;derived-from&quot; is only logical choice when referencing QuestionnaireResponse."/>
  </concept>
  <concept>
    <code value="sequel-to"/>
    <display value="Sequel To"/>
    <definition value="This observation follows the target observation (e.g. timed tests such as Glucose Tolerance
     Test)."/>
  </concept>
  <concept>
    <code value="replaces"/>
    <display value="Replaces"/>
    <definition value="This observation replaces a previous observation (i.e. a revised value). The target observation
     is now obsolete."/>
  </concept>
  <concept>
    <code value="qualified-by"/>
    <display value="Qualified By"/>
    <definition value="The value of the target observation qualifies (refines) the semantics of the source observation
     (e.g. a lipemia measure target from a plasma measure)."/>
  </concept>
  <concept>
    <code value="interfered-by"/>
    <display value="Interfered By"/>
    <definition value="The value of the target observation interferes (degrades quality, or prevents valid observation)
     with the semantics of the source observation (e.g. a hemolysis measure target from a plasma
     potassium measure which has no value)."/>
  </concept>
</CodeSystem>