<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="task-inputoutput-parameter-type"/><meta><lastUpdated value="2026-03-31T21:09:49.899+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem task-inputoutput-parameter-type</b></p><a name="task-inputoutput-parameter-type"> </a><a name="hctask-inputoutput-parameter-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/task-inputoutput-parameter-type</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">collected-specimen<a name="task-inputoutput-parameter-type-collected-specimen"> </a></td><td>Collected Specimen</td><td>A specimen that has been collected.</td></tr><tr><td style="white-space:nowrap">reference-results<a name="task-inputoutput-parameter-type-reference-results"> </a></td><td>Reference Results</td><td>Reference results to compare against.</td></tr><tr><td style="white-space:nowrap">prior-results<a name="task-inputoutput-parameter-type-prior-results"> </a></td><td>Prior Results</td><td>Results from a previous order.</td></tr><tr><td style="white-space:nowrap">concomitant-medications<a name="task-inputoutput-parameter-type-concomitant-medications"> </a></td><td>Concomitant Medications</td><td>Medications, supplements or drugs the patient consumes at the same time as something else.</td></tr><tr><td style="white-space:nowrap">filler-order<a name="task-inputoutput-parameter-type-filler-order"> </a></td><td>Filler Order</td><td>The order number associated with the filler.</td></tr><tr><td style="white-space:nowrap">data-query<a name="task-inputoutput-parameter-type-data-query"> </a></td><td>data query input</td><td>Indicates the parameters of a FHIR RESTful search to be executed whose results are requested by a data-request Task. The content will be the portion of the query URL following the 'base'. E.g.  `Observation?code=foo`.</td></tr><tr><td style="white-space:nowrap">data-code<a name="task-inputoutput-parameter-type-data-code"> </a></td><td>data code input</td><td>A code describing the information requested by a data-request Task - often a code for a type of document</td></tr><tr><td style="white-space:nowrap">data-value<a name="task-inputoutput-parameter-type-data-value"> </a></td><td>data values output</td><td>A FHIR resource, typically a search-set Bundle, containing the requested information in response to a data-request Task</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="oo"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"><valueCode value="informative"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://hl7.org/fhir/task-inputoutput-parameter-type"/><version value="6.0.0-ballot4"/><name value="TaskInputOutputParameterType"/><title value="Task Input/Output Parameter Type"/><status value="active"/><experimental value="false"/><date value="2025-03-12T10:00:00+08:00"/><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="The input and output types for the task."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/task-inputoutput-parameter-type"/><content value="complete"/><concept><code value="collected-specimen"/><display value="Collected Specimen"/><definition value="A specimen that has been collected."/></concept><concept><code value="reference-results"/><display value="Reference Results"/><definition value="Reference results to compare against."/></concept><concept><code value="prior-results"/><display value="Prior Results"/><definition value="Results from a previous order."/></concept><concept><code value="concomitant-medications"/><display value="Concomitant Medications"/><definition value="Medications, supplements or drugs the patient consumes at the same time as something else."/></concept><concept><code value="filler-order"/><display value="Filler Order"/><definition value="The order number associated with the filler."/></concept><concept><code value="data-query"/><display value="data query input"/><definition value="Indicates the parameters of a FHIR RESTful search to be executed whose results are requested by a data-request Task. The content will be the portion of the query URL following the 'base'. E.g.  `Observation?code=foo`."/></concept><concept><code value="data-code"/><display value="data code input"/><definition value="A code describing the information requested by a data-request Task - often a code for a type of document"/></concept><concept><code value="data-value"/><display value="data values output"/><definition value="A FHIR resource, typically a search-set Bundle, containing the requested information in response to a data-request Task"/></concept></CodeSystem>