Exactly who are you Etchie and where do you come from. I was diagnosed with B/C 4 years ago and I have diagnostic mammo every 6 months. I have been covered under 3 different insurance plans and they have all paid for the test. I do have to meet deductables and/or make co-pays but I think that is normal.
As others have told you, the only difference is that you wait for the Radiologist to read the films right then and there.
I hope that you are misunderstanding, because it took a lot of time and hard work for Breast Cancer patients and survivors to get, by law, the insurance benefits we all need to get well and stay well.
Two are better than one, because they have a good return for their work: if one falls down, his friend can help him up. Ecclesiastes 4:9-10