Method: Describe disadvantages of current payment system in medical market, compare advantages and disadvantages between a few kinds of payment systems of "single-diagnosed disease".

方法：采用比较的方法，先对现行医疗收费方式的弊端进行阐述，再对目前可行的几种单病种收费方式优点与不足进行比较。

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As it stands today, the Affordable Care Act (ACA) does little more than tweak the current payment model.

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Direct operator billing will also reflect the same price points as current payment methods, ensuring a consistent user experience.

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Once the Durbin Amendment rules go into effect, businesses of all sizes will be able to renegotiate or terminate their current payment processing contracts.

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