This value set includes codes based on the following rules:

 <status value="draft"/> <experimental value="true"/> <date value="2016-05-18T16:57:59+00:00"/> <publisher value="FHIR Project team"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <description value="This value set includes [SNOMED CT](http://snomed.info/sct) where concept is-a 105590001 (Substance (substance)) or concept is-a 260787004 (Physical object) and provided as an example value set."/> <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 SNOMED CT, which is copyright © 2002+ International Health Terminology Standards Development Organisation (IHTSDO), and distributed by agreement between IHTSDO and HL7. Implementer use of SNOMED CT is not covered by this agreement."/> <compose> <include> <system value="http://snomed.info/sct"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="105590001"/> </filter> </include> <include> <system value="http://snomed.info/sct"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="260787004"/> </filter> </include> </compose> </ValueSet>