This is the ValueSet that contains all the codes in x_AdministeredSubstance (http://terminology.hl7.org/ValueSet/v3-xAdministeredSubstance) and x_AdministeredSubstance (http://terminology.hl7.org/ValueSet/v3-xAdministeredSubstance). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: ValueSet 20bc3134-ebe2-4c64-81ac-614a70124787-10886
This value set includes codes based on the following rules: