<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="substance-target-organism-type"/><meta><lastUpdated value="2026-06-23T16:20:19.822+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem substance-target-organism-type</b></p><a name="substance-target-organism-type"> </a><a name="hcsubstance-target-organism-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/substance-target-organism-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">bacterial<a name="substance-target-organism-type-bacterial"> </a></td><td>Bacterial</td><td>Bacterial organism.</td></tr><tr><td style="white-space:nowrap">viral<a name="substance-target-organism-type-viral"> </a></td><td>Viral</td><td>Viral organism.</td></tr><tr><td style="white-space:nowrap">fungal<a name="substance-target-organism-type-fungal"> </a></td><td>Fungal</td><td>Fungal organism.</td></tr><tr><td style="white-space:nowrap">parasitic<a name="substance-target-organism-type-parasitic"> </a></td><td>Parasitic</td><td>Parasitic organism.</td></tr><tr><td style="white-space:nowrap">helminthic<a name="substance-target-organism-type-helminthic"> </a></td><td>Helminthic</td><td>Helminthic (worm) organism.</td></tr><tr><td style="white-space:nowrap">prion<a name="substance-target-organism-type-prion"> </a></td><td>Prion</td><td>Prion.</td></tr><tr><td style="white-space:nowrap">protozoan<a name="substance-target-organism-type-protozoan"> </a></td><td>Protozoan</td><td>Protozoan organism.</td></tr></table></div></text><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"><valueCode value="brr"/></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/substance-target-organism-type"/><version value="6.0.0-ballot4"/><name value="SubstanceTargetOrganismTypeExample"/><title value="Substance Target Organism Type"/><status value="active"/><experimental value="true"/><date value="2026-06-23"/><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 high-level type of organism that a substance is targeted against."/><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/substance-target-organism-type"/><content value="complete"/><concept><code value="bacterial"/><display value="Bacterial"/><definition value="Bacterial organism."/></concept><concept><code value="viral"/><display value="Viral"/><definition value="Viral organism."/></concept><concept><code value="fungal"/><display value="Fungal"/><definition value="Fungal organism."/></concept><concept><code value="parasitic"/><display value="Parasitic"/><definition value="Parasitic organism."/></concept><concept><code value="helminthic"/><display value="Helminthic"/><definition value="Helminthic (worm) organism."/></concept><concept><code value="prion"/><display value="Prion"/><definition value="Prion."/></concept><concept><code value="protozoan"/><display value="Protozoan"/><definition value="Protozoan organism."/></concept></CodeSystem>