This value set includes codes based on the following rules:

<status value="active"/><experimental value="false"/><date value="2022-05-28T12:47:40+10:00"/><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="A list of all the concrete types defined in this version of the FHIR specification - Abstract Types, Data Types and Resource Types."/><compose><include><system value="http://hl7.org/fhir/data-types"/></include><include><system value="http://hl7.org/fhir/resource-types"/></include><include><system value="http://hl7.org/fhir/abstract-types"/></include></compose></ValueSet>