Intersection of http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.1.11.14914 and http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.25
This is the ValueSet that contains codes in both Race Value Set (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113883.1.11.14914) and Detailed race including absence reasons. (http://cts.nlm.nih.gov/fhir/ValueSet/2.16.840.1.113762.1.4.1267.25).