Warning: Editing a code set, hierarchy, or taxonomy
can affect existing attribute values dependent on the upon them. If an active code is
deactivated, any attribute values that have that value will be flagged as invalid. If you
modify an existing code, you will have the option to update existing attributes in
repositories that use the code set with the new values or to have them retain the old values.
Taxonomies and hierarchies are hierarchical code sets. They have a tree format. The codes are nodes and they can have sub-codes.
To create or edit a hierarchical code set's codes: