Phone consultants secretary and/or waiting list co-ordinator. Try and be polite, many are not!! Just ask if they can clarify why taking so long. Most English trusts still hot on 18 week target.
Sometimes things get missed. Poor but the lists are run by admit staff who like everyone else sometimes make mistakes. Just rubbish when this means problems for patients.
If nothing else Askif you can be seen in clinic to discuss – we are always happy to see people when asked in these situations.