Legal basis:
"Implementation of Several Provisions" Article 8 The medical expenses incurred by the insured in the agreed medical institutions that meet the basic medical insurance drug list, diagnosis and treatment items and medical service facilities standards shall be paid by the basic medical insurance fund in accordance with state regulations. If the insured really needs emergency treatment and rescue, he can seek medical treatment in a non-agreement medical institution; The scope of drugs that must be used for rescue can be appropriately relaxed. The specific measures for the administration of emergency and rescue medical services of the insured shall be formulated by the overall planning area according to the local actual situation.
People's Republic of China (PRC) social insurance law
Article 64 Social insurance funds include basic old-age insurance funds, basic medical insurance funds, industrial injury insurance funds, unemployment insurance funds and maternity insurance funds. In addition to the basic medical insurance fund and maternity insurance fund combined accounting, other social insurance funds are accounted for separately according to social insurance types. Social insurance funds implement a unified accounting system throughout the country. The social insurance fund is earmarked for special purposes. No organization or individual may occupy or misappropriate the basic old-age insurance fund and gradually implement national overall planning, while other social insurance funds gradually implement provincial overall planning. The specific time and steps shall be stipulated by the State Council.
Article 65 Social insurance funds shall achieve balance of payments through budgets. When the social insurance fund is insufficient to pay, the people's governments at or above the county level shall give subsidies.