This value set includes codes based on the following rules:

<status value="draft"/><experimental value="true"/><date value="2022-12-14T07:12:54+11:00"/><publisher value="Office of the National Coordinator for Health IT"/><contact><telecom><system value="url"/><value value="http://healthit.gov"/></telecom></contact><description value="The allowed codes for identifying the ISO 11179 ObjectClass Property for a particular data element if intended for registration/use within the U.S. Structured Data Capture (SDC) project."/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><copyright value="This value set includes content from LOINC®, which is copyright © 1995 Regenstrief Institute, Inc. and the LOINC Committee, and available at no cost under the license at http://loinc.org/terms-of-use. This resource includes content from SNOMED Clinical Terms® (SNOMED CT®) which is copyright of the International Health Terminology Standards Development Organisation (IHTSDO). Implementers of these specifications must have the appropriate SNOMED CT Affiliate license - for more information contact http://www.snomed.org/snomed-ct/get-snomed-ct or info@snomed.org"/><compose><include><system value="http://snomed.info/sct"/></include><include><system value="http://loinc.org"/></include><include><system value="http://www.nlm.nih.gov/research/umls/rxnorm"/></include></compose></ValueSet>