<?xml version="1.0" encoding="UTF-8"?>

<OperationDefinition xmlns="http://hl7.org/fhir">
  <id value="MedicationListFi-get-medication-custom-data-atc"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: OperationDefinition MedicationListFi-get-medication-custom-data-atc</b></p><a name="MedicationListFi-get-medication-custom-data-atc"> </a><a name="hcMedicationListFi-get-medication-custom-data-atc"> </a><p>URL: [base]/$MedicationListFi-get-medication-custom-data</p><h3>Parameters</h3><table class="grid"><tr><td><b>Use</b></td><td><b>Name</b></td><td><b>Scope</b></td><td><b>Cardinality</b></td><td><b>Type</b></td><td><b>Binding</b></td><td><b>Documentation</b></td></tr><tr><td>IN</td><td>requestPurpose</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#Coding">Coding</a></td><td/><td><div><p>Purpose of requesting medication information. Expressed using a code from the Kanta code system 'urn:oid:1.2.246.537.5.40110.2006' (Sähköinen lääkemääräys - Reseptikyselyn syy). Provide both the system and the code.</p>
</div></td></tr><tr><td>IN</td><td>serviceEventId</td><td/><td>0..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#Identifier">Identifier</a></td><td/><td><div><p>Identifier of a service event, if request is done from a open service event.</p>
</div></td></tr><tr><td>IN</td><td>patientIdentifier</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#Identifier">Identifier</a></td><td/><td><div><p>Identifier of the patient. Provide both the system 'urn:oid:1.2.246.21' and the value (the actual patient id).</p>
</div></td></tr><tr><td>IN</td><td>atcCode</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#Coding">Coding</a></td><td/><td><div><p>ATC code of the drug. A code from the Kanta code system 'urn:oid:1.2.246.537.6.32.2007' (Fimea - ATC Luokitus). Provide both the system and the code.</p>
</div></td></tr><tr><td>IN</td><td>authoredOn</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/datatypes.html#Period">Period</a></td><td/><td><div><p>Time period for which medication history is requested. The length of the search period can be at most 36 months, but the period can be at any point in the patient's medication history. An exception to this are pharmacies and hospital pharmacies, for which the search is limited to 42 months prior to the current time point. The accepted date format is YYYY-MM-DD.</p>
</div></td></tr><tr><td>OUT</td><td>return</td><td/><td>1..1</td><td><a href="http://hl7.org/fhir/R4/bundle.html">Bundle</a></td><td/><td><div><p>Kanta medication list</p>
</div></td></tr></table></div>
  </text>
  <url value="https://eradocumentation.atostek.com/OperationDefinition/MedicationListFi-get-medication-custom-data-atc"/>
  <version value="1.0.0"/>
  <name value="MedicationListFi-Get-Medication-Custom-Data-Atc"/>
  <title value="MedicationListFI Get Custom Medication Data - Prescriptions With a Certain ATC Code"/>
  <status value="draft"/>
  <kind value="operation"/>
  <date value="2026-10-28T11:52:12+00:00"/>
  <publisher value="Atostek"/>
  <contact>
    <name value="Atostek"/>
    <telecom>
      <system value="url"/>
      <value value="https://atostek.com/"/>
    </telecom>
  </contact>
  <description value="The search returns information about prescriptions and their dispensations. The search results can be limited if the patient has restricted the sharing of their personal health information.&#xA;&#xA;The search result is stored in the client's registry in ERA's database and returned to the client. If the search is performed successfully but returns no results, an empty Bundle is returned."/>
  <code value="MedicationListFi-get-medication-custom-data"/>
  <system value="true"/>
  <type value="false"/>
  <instance value="false"/>
  <parameter>
    <name value="requestPurpose"/>
    <use value="in"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Purpose of requesting medication information. Expressed using a code from the Kanta code system 'urn:oid:1.2.246.537.5.40110.2006' (Sähköinen lääkemääräys - Reseptikyselyn syy). Provide both the system and the code."/>
    <type value="Coding"/>
  </parameter>
  <parameter>
    <name value="serviceEventId"/>
    <use value="in"/>
    <min value="0"/>
    <max value="1"/>
    <documentation value="Identifier of a service event, if request is done from a open service event."/>
    <type value="Identifier"/>
  </parameter>
  <parameter>
    <name value="patientIdentifier"/>
    <use value="in"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Identifier of the patient. Provide both the system 'urn:oid:1.2.246.21' and the value (the actual patient id)."/>
    <type value="Identifier"/>
  </parameter>
  <parameter>
    <name value="atcCode"/>
    <use value="in"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="ATC code of the drug. A code from the Kanta code system 'urn:oid:1.2.246.537.6.32.2007' (Fimea - ATC Luokitus). Provide both the system and the code."/>
    <type value="Coding"/>
  </parameter>
  <parameter>
    <name value="authoredOn"/>
    <use value="in"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Time period for which medication history is requested. The length of the search period can be at most 36 months, but the period can be at any point in the patient's medication history. An exception to this are pharmacies and hospital pharmacies, for which the search is limited to 42 months prior to the current time point. The accepted date format is YYYY-MM-DD."/>
    <type value="Period"/>
  </parameter>
  <parameter>
    <name value="return"/>
    <use value="out"/>
    <min value="1"/>
    <max value="1"/>
    <documentation value="Kanta medication list"/>
    <type value="Bundle"/>
  </parameter>
</OperationDefinition>