Discovery are rogues, rather go to Momentum

Such pathetic service from Discovery, I am a member for over 13 years and do not take advantage of my medical aid. I had to visit the dermatologist for a scalp infection. I had to pay cash and was told i can claim it from my medical aid. I submitted my claim and from R1050 I am getting back R508, for What??? Why must I fund the balance when I have a medical aid. With savings that I try not to use. You guys are rogues