Final answer:
The subject of this question is Health, as it pertains to the importance of interoperability related to the 2010 Affordable Care Act and its impact on the operation of Accountable Care Organizations (ACOs) for Medicare.
Step-by-step explanation:
The subject of this question is Health, as it pertains to the importance of interoperability related to the 2010 Affordable Care Act and its impact on the operation of Accountable Care Organizations (ACOs) for Medicare.