Intersection of http://terminology.hl7.org/CodeSystem/naaccrCodes and http://terminology.hl7.org/CodeSystem/naaccrCodes
This is the CodeSystem that contains codes in both NAACCR (http://terminology.hl7.org/CodeSystem/naaccrCodes) and NAACCR (http://terminology.hl7.org/CodeSystem/naaccrCodes).