I was turned down too, I have several medical conditions but I am "able" to work, but I am not able to do what I use to and I made 60K a year..plus no one wants to hire someone in their late 50's!
A lot of people get turned down the first time they apply, I asked my attorney about that, she told me to reply tell them about all my new tests, I've since been diagnosed with COPD and Sleep Apnea and PTSD...whoopie! If that doesn't work I will look for an attorney that works on a contingency, they generally take 2/3 of the back pay the SS owes you, but it's better than nothing!