Intersection of http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.68 and http://hl7.org/fhir/us/core/ValueSet/us-core-documentreference-type
This is the ValueSet that contains codes in both Note Types (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.11.20.9.68) and US Core DocumentReference Type (http://hl7.org/fhir/us/core/ValueSet/us-core-documentreference-type).