This is the ValueSet that contains all the codes in StatisticCertaintySubcomponentRating (http://terminology.hl7.org/ValueSet/certainty-subcomponent-rating) and StatisticCertaintySubcomponentRating (http://terminology.hl7.org/ValueSet/certainty-subcomponent-rating). E.g. what you have to deal with if you get resources containing codes in either of them