{"caseSensitive":true,"concept":[{"code":"all-of","definition":"Combine characteristics with AND.","display":"All of"},{"code":"any-of","definition":"Combine characteristics with OR.","display":"Any of"},{"code":"at-least","definition":"Meet at least the threshold number of characteristics for definition.","display":"At least"},{"code":"at-most","definition":"Meet at most the threshold number of characteristics for definition.","display":"At most"},{"code":"except-subset","definition":"Meet the inclusion criteria under the condition that the basis does not match the exclusion criteria.","display":"Except subset"},{"code":"statistical","definition":"Combine characteristics statistically. Use method to specify the statistical method.","display":"Statistical"},{"code":"net-effect","definition":"Combine characteristics by addition of benefits and subtraction of harms.","display":"Net effect"},{"code":"dataset","definition":"Combine characteristics as a collection used as the dataset.","display":"Dataset"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]}],"content":"complete","date":"2021-01-05T10:01:24+11:00","description":"Logical grouping of characteristics.","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"fhir"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":3}],"id":"group-characteristic-combination","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.1952"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-31T17:43:31.836+00:00"},"name":"GroupCharacteristicCombination","publisher":"HL7 (FHIR Project)","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem group-characteristic-combination</b></p><a name=\"group-characteristic-combination\"> </a><a name=\"hcgroup-characteristic-combination\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/group-characteristic-combination</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\">all-of<a name=\"group-characteristic-combination-all-of\"> </a></td><td>All of</td><td>Combine characteristics with AND.</td></tr><tr><td style=\"white-space:nowrap\">any-of<a name=\"group-characteristic-combination-any-of\"> </a></td><td>Any of</td><td>Combine characteristics with OR.</td></tr><tr><td style=\"white-space:nowrap\">at-least<a name=\"group-characteristic-combination-at-least\"> </a></td><td>At least</td><td>Meet at least the threshold number of characteristics for definition.</td></tr><tr><td style=\"white-space:nowrap\">at-most<a name=\"group-characteristic-combination-at-most\"> </a></td><td>At most</td><td>Meet at most the threshold number of characteristics for definition.</td></tr><tr><td style=\"white-space:nowrap\">except-subset<a name=\"group-characteristic-combination-except-subset\"> </a></td><td>Except subset</td><td>Meet the inclusion criteria under the condition that the basis does not match the exclusion criteria.</td></tr><tr><td style=\"white-space:nowrap\">statistical<a name=\"group-characteristic-combination-statistical\"> </a></td><td>Statistical</td><td>Combine characteristics statistically. Use method to specify the statistical method.</td></tr><tr><td style=\"white-space:nowrap\">net-effect<a name=\"group-characteristic-combination-net-effect\"> </a></td><td>Net effect</td><td>Combine characteristics by addition of benefits and subtraction of harms.</td></tr><tr><td style=\"white-space:nowrap\">dataset<a name=\"group-characteristic-combination-dataset\"> </a></td><td>Dataset</td><td>Combine characteristics as a collection used as the dataset.</td></tr></table></div>","status":"generated"},"title":"Group Characteristic Combination","url":"http://hl7.org/fhir/group-characteristic-combination","version":"6.0.0-ballot4"}