Legal analysis: the time limit for medical insurance reimbursement is generally half a year, that is, it should be reimbursed within half a year after diagnosis and treatment. Generally, it will be reimbursed in the second half of this year and in the first half of this year. If the reimbursement is made in time at the time of discharge, the unpaid part can be paid at the time of discharge, and the proportion varies from place to place. Proof of reimbursement, such as medical bills for more than half a year, may not be reimbursed. Even if it can be reimbursed, the scope of reimbursement is limited.

Legal basis: People's Republic of China (PRC) Social Insurance Law.

Article 2 The state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance and maternity insurance, so as to guarantee citizens' right to receive material assistance from the state and society in accordance with the law in case of old age, illness, industrial injury, unemployment and maternity.

Twenty-eighth medical expenses that meet the basic medical insurance drug list, diagnosis and treatment items, medical service facilities standards and emergency treatment and rescue shall be paid by the basic medical insurance fund in accordance with state regulations.

Twenty-ninth medical expenses of the insured shall be paid by the basic medical insurance fund, and shall be directly settled by the social insurance agency, medical institutions and pharmaceutical business units. The administrative department of social insurance and the administrative department of health shall establish a settlement system for medical expenses in different places to facilitate the insured to enjoy the basic medical insurance benefits.