The demand for electronic health information exchange among care professionals is growing along with nationwide efforts to improve the quality, safety, and efficiency of health care delivery. Meaningful use requirements, new payment approaches that stress care coordination, and federal financial incentives are all driving the interest and demand for health information exchange. [source]

On the new UI, the HIE Opt In field can be found here:

 

Watch a demonstration of where a patient can be identified to opt in for HIE within patient demographics.