Lancet, Not one functional department!!!!

So this will be the 3rd complaint I am writing about Lancet! I really do not understand how a company like this still operate. After I had to run around and call 100 times to get blood test results. I finally received the final statement and all the claims to my medical aid. Guess what? It is wrong. Lancet double charged me for all my blood tests, *****ing R2567 from my medical aid savings account. i mean how on earth do you sleep at night *****ing from sick people. Michelle phoned me earlier and said it will take 4-7 days before this is sorted. Well Lancet I am not waiting that long, you took the money our really quickly. Why do I have to now wait???? I will give Lancet until the end of the day the refund the amount of R2567, or I will take this further and make a case of ***** against Lancet, and I truly hope that when you pay me back I never in my whole life have to deal with you again because this is pathetic. I am really disappointing that you treat sick people like this.