This is the ValueSet that contains codes in both Detailed Ethnicity (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.114222.4.11.877) and Detailed Ethnicity Including Absence Reasons (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.4.642.40.2.48.1).