Advance notice of the plan to inactivate the concept Medical Procedure (procedure) and relevant subtypes as noted in the list below below. This is due to the ambiguity in the meaning 'medical <x>'.
" Medical procedure on <x>
" Medical procedure related to <x>
" <x> medical procedure
" Medical evaluation <x>
" <x> with medical evaluation

The sub-hierarchy is predominately one of grouping concepts with no children.