Intersection of http://hl7.org/fhir/us/core/ValueSet/us-core-documentreference-category and http://hl7.org/fhir/ValueSet/document-classcodes
This is the ValueSet that contains codes in both US Core DocumentReference Category (http://hl7.org/fhir/us/core/ValueSet/us-core-documentreference-category) and Document Class Value Set (http://hl7.org/fhir/ValueSet/document-classcodes).