This is the ValueSet that contains all the codes in Personal Functioning and Engagement US Core Value Set (http://hl7.org/fhir/us/pacio-pfe/ValueSet/pfe-us-core-category-vs) and Personal Functioning and Engagement US Core Value Set (http://hl7.org/fhir/us/pacio-pfe/ValueSet/pfe-us-core-category-vs). E.g. what you have to deal with if you get resources containing codes in either of them