This is the CodeSystem that contains all the codes in mCSD Example Hierarchy Code System (https://profiles.ihe.net/ITI/mCSD/CodeSystem/mcsd-example-hierarchy) and mCSD Example Hierarchy Code System (https://profiles.ihe.net/ITI/mCSD/CodeSystem/mcsd-example-hierarchy). E.g. what you have to deal with if you get resources containing codes in either of them