Generally, the reimbursement period for medical insurance is half a year, that is, it should be reimbursed within half a year after diagnosis and treatment. Generally, it is reimbursed in the second half of the year and in the first half of this year. If reimbursement is made in time when discharged from hospital, the non-reimbursement part can be paid when discharged from hospital, and the proportion varies from place to place. Proof of reimbursement such as medical bills that are more than half a year old may not be reimbursed. Even if it can be reimbursed, the scope of reimbursement is limited.

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

legal basis: article 29 of the social insurance law of the people's Republic of China

the part of the medical expenses of the insured that should be paid by the basic medical insurance fund shall be directly settled by the social insurance agency, medical institutions and pharmaceutical trading 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.

article 31

social insurance agencies may sign service agreements with medical institutions and pharmaceutical trading units to regulate medical service behavior according to the needs of management services.

medical institutions should provide reasonable and necessary medical services for the insured.

article 32

if an individual is employed across the overall planning area, his basic medical insurance relationship will be transferred with him, and the payment period will be calculated cumulatively.