<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="medication-statement-taken" />
  <meta>
    <lastUpdated value="2017-04-19T07:44:43.294+10:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2>MedicationStatementTaken</h2>
      <div>
        <p>A coded concept identifying level of certainty if patient has taken or has not taken the medication</p>
      </div>
      <p>This code system http://hl7.org/fhir/medication-statement-taken 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>y
                  <a name="medication-statement-taken-y"></a></td>
          <td>Yes</td>
          <td>Positive assertion that patient has taken medication</td>
        </tr>
        <tr>
          <td>n
                  <a name="medication-statement-taken-n"></a></td>
          <td>No</td>
          <td>Negative assertion that patient has not taken medication</td>
        </tr>
        <tr>
          <td>unk
                  <a name="medication-statement-taken-unk"></a></td>
          <td>Unknown</td>
          <td>Unknown assertion if patient has taken medication</td>
        </tr>
        <tr>
          <td>na
                  <a name="medication-statement-taken-na"></a></td>
          <td>Not Applicable</td>
          <td>Patient reporting does not apply</td>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status">
    <valueString value="Informative" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="phx" />
  </extension>
  <url value="http://hl7.org/fhir/medication-statement-taken" />
  <identifier>
    <system value="urn:ietf:rfc:3986" />
    <value value="urn:oid:2.16.840.1.113883.4.642.1.358" />
  </identifier>
  <version value="3.0.1" />
  <name value="MedicationStatementTaken" />
  <status value="draft" />
  <experimental value="false" />
  <date value="2017-04-19T07:44:43+10:00" />
  <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>
  <description value="A coded concept identifying level of certainty if patient has taken or has not taken the medication" />
  <caseSensitive value="true" />
  <valueSet value="http://hl7.org/fhir/ValueSet/medication-statement-taken" />
  <content value="complete" />
  <concept>
    <code value="y" />
    <display value="Yes" />
    <definition value="Positive assertion that patient has taken medication" />
  </concept>
  <concept>
    <code value="n" />
    <display value="No" />
    <definition value="Negative assertion that patient has not taken medication" />
  </concept>
  <concept>
    <code value="unk" />
    <display value="Unknown" />
    <definition value="Unknown assertion if patient has taken medication" />
  </concept>
  <concept>
    <code value="na" />
    <display value="Not Applicable" />
    <definition value="Patient reporting does not apply" />
  </concept>
</CodeSystem>