This value set includes codes based on the following rules:

<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="Observation Method codes from [SNOMED CT](http://snomed.info/sct) where concept is-a 272394005 (Technique (qualifier value)) or is-a 129264002 (Action (qualifier value)) or is-a 386053000 (Evaluation procedure(procedure))"/><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="272394005"/></filter></include><include><system value="http://snomed.info/sct"/><filter><property value="concept"/><op value="is-a"/><value value="129264002"/></filter></include><include><system value="http://snomed.info/sct"/><filter><property value="concept"/><op value="is-a"/><value value="386053000"/></filter></include></compose></ValueSet>