Outpatient means that the procedure does not require hospital admission and may also be performed outside the premises of a hospital. A computed tomography (CT) examination of the head is a very common diagnostic imaging examination and can be performed on either an outpatient or inpatient basis.
The Binance headquarters is currently located in Shanghai, however, my understanding is that the company itself is registered in Hong Kong, which is separate from mainland China and not necessarily bound under the same rules and regulations.
Binance is a popular Chinese crypto currency exchange. While the company is still fairly new on the market, it has managed to gain a lot of popularity thanks to its impressive coin listings and low trading fees. Binance is a crypto-crypto exchange only i.e. they do not accept Fiat money deposits.