Call hospital department - it has cut leg (7)
I believe the answer is:
entitle
'call' is the definition.
(entitling is a kind of calling)
'hospital department it has cut leg' is the wordplay.
'hospital department' becomes 'ent'.
'has' says to put letters next to each other.
'cut' means to remove the last letter.
'leg' with its final letter taken off is 'le'.
'ent'+'it'+'le'='ENTITLE'
(Other definitions for entitle that I've seen before include "Furnish with a right or claim" , "Give (someone) rights" , "Allow" , "Give a right or authority to" , "confer rank" .)