<status value="draft"/><experimental value="true"/><publisher value="FHIR Project team"/><contact><telecom><system value="url"/><value value="http://hl7.org/fhir"/></telecom></contact><description value="This value set contains concept codes for specific substances. It includes codes from [SNOMED](http://snomed.info/sct) where concept is-a 105590001 (Substance (substance))"/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><copyright value="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"/><filter><property value="concept"/><op value="is-a"/><value value="105590001"/></filter></include></compose></ValueSet>