<?xml version="1.0" encoding="UTF-8"?><CodeSystem xmlns="http://hl7.org/fhir"><id value="permitted-data-type"/><meta><lastUpdated value="2026-04-01T17:59:15.240+00:00"/></meta><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem permitted-data-type</b></p><a name="permitted-data-type"> </a><a name="hcpermitted-data-type"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/permitted-data-type</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">Quantity<a name="permitted-data-type-Quantity"> </a></td><td>A measured amount.</td></tr><tr><td style="white-space:nowrap">CodeableConcept<a name="permitted-data-type-CodeableConcept"> </a></td><td>A coded concept from a reference terminology and/or text.</td></tr><tr><td style="white-space:nowrap">string<a name="permitted-data-type-string"> </a></td><td>A sequence of Unicode characters.</td></tr><tr><td style="white-space:nowrap">boolean<a name="permitted-data-type-boolean"> </a></td><td>true or false.</td></tr><tr><td style="white-space:nowrap">integer<a name="permitted-data-type-integer"> </a></td><td>A signed integer.</td></tr><tr><td style="white-space:nowrap">Range<a name="permitted-data-type-Range"> </a></td><td>A set of values bounded by low and high.</td></tr><tr><td style="white-space:nowrap">Ratio<a name="permitted-data-type-Ratio"> </a></td><td>A ratio of two Quantity values - a numerator and a denominator.</td></tr><tr><td style="white-space:nowrap">SampledData<a name="permitted-data-type-SampledData"> </a></td><td>A series of measurements taken by a device.</td></tr><tr><td style="white-space:nowrap">time<a name="permitted-data-type-time"> </a></td><td>A time during the day, in the format hh:mm:ss.</td></tr><tr><td style="white-space:nowrap">dateTime<a name="permitted-data-type-dateTime"> </a></td><td>A date, date-time or partial date (e.g. just year or year + month) as used in human communication.</td></tr><tr><td style="white-space:nowrap">Period<a name="permitted-data-type-Period"> </a></td><td>A time range defined by start and end date/time.</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="normative"/></extension><extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"><valueInteger value="1"/></extension><url value="http://hl7.org/fhir/permitted-data-type"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.4.642.4.1332"/></identifier><version value="6.0.0-ballot4"/><name value="ObservationDataType"/><title value="Observation Data Type"/><status value="active"/><experimental value="false"/><date value="2021-01-05T10:01:24+11:00"/><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="Permitted data type for observation value."/><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/permitted-data-type"/><content value="complete"/><concept><code value="Quantity"/><display value="Quantity"/><definition value="A measured amount."/></concept><concept><code value="CodeableConcept"/><display value="CodeableConcept"/><definition value="A coded concept from a reference terminology and/or text."/></concept><concept><code value="string"/><display value="string"/><definition value="A sequence of Unicode characters."/></concept><concept><code value="boolean"/><display value="boolean"/><definition value="true or false."/></concept><concept><code value="integer"/><display value="integer"/><definition value="A signed integer."/></concept><concept><code value="Range"/><display value="Range"/><definition value="A set of values bounded by low and high."/></concept><concept><code value="Ratio"/><display value="Ratio"/><definition value="A ratio of two Quantity values - a numerator and a denominator."/></concept><concept><code value="SampledData"/><display value="SampledData"/><definition value="A series of measurements taken by a device."/></concept><concept><code value="time"/><display value="time"/><definition value="A time during the day, in the format hh:mm:ss."/></concept><concept><code value="dateTime"/><display value="dateTime"/><definition value="A date, date-time or partial date (e.g. just year or year + month) as used in human communication."/></concept><concept><code value="Period"/><display value="Period"/><definition value="A time range defined by start and end date/time."/></concept></CodeSystem>