Intersection of http://hl7.org/fhir/us/core/ValueSet/us-core-documentreference-type and http://hl7.org/fhir/ValueSet/doc-typecodes
This is the ValueSet that contains codes in both US Core DocumentReference Type (http://hl7.org/fhir/us/core/ValueSet/us-core-documentreference-type) and FHIR Document Type Codes (http://hl7.org/fhir/ValueSet/doc-typecodes).