This is the CodeSystem that contains all the codes in mCSD Organization Affiliation Types (https://profiles.ihe.net/ITI/mCSD/CodeSystem/MCSDOrgAffTypes) and mCSD Organization Affiliation Types (https://profiles.ihe.net/ITI/mCSD/CodeSystem/MCSDOrgAffTypes). E.g. what you have to deal with if you get resources containing codes in either of them