39. The non-transitory computer-readable medium of claim 34 , wherein the instructions to identify further comprise: instructions to identify a relationship to a concept, the relationship specified by the first region definition; and instructions to identify first coded data in the data set having the specified relationship to second coded data representing the concept in the data set.
39. The non-transitory computer-readable medium of claim 34 , wherein the instructions to identify further comprise: instructions to identify a relationship to a concept, the relationship specified by the first region definition; and instructions to identify first coded data in the data set having the specified relationship to second coded data representing the concept in the data set. 40. The non-transitory computer-readable medium of claim 39 , wherein the relationship comprises an “is a” relationship.