Social security hospitalization can only be reimbursed for at least a few days.

Legal analysis: as long as you are hospitalized and discharged, you can reimburse, and there are no days. In-hospital medical insurance reimbursement needs to bring the following information:

1. Original ID card or social security card;

2. Original medical data such as outpatient medical records, inspection and test results reports;

3. If it is an agent, you need to provide the original ID card of the agent;

4. The original certificate of disease diagnosis issued by the specialist of the designated medical institution;

5. The detailed list of outpatient expenses printed by the hospital computer or the original payment of prescriptions issued by doctors;

6. Original receipt of outpatient charges of medical institutions with unified finance and taxation.

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

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.