Medical insurance can do CT, but it can only be used in designated medical institutions. Before each month 10, the designated medical institutions will report the expense list, hospitalization list and related materials of the patients discharged last month to the medical insurance agency. After the medical insurance is audited by the agency, it will be used as the basis for monthly pre-allocation and year-end final accounts. Medical insurance agency monthly

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.