What does it mean to co-ordinate the staff outpatient service?

Hello, what does medical insurance co-ordination mean? The medical insurance card is divided into two accounts, the overall account and the personal account. The money deducted from the salary every month is included in the personal account, which can be used to buy medicine or something. The company's payment belongs to the overall account, and the money reimbursed by the invoice after hospitalization comes from the overall account. Medical insurance co-ordination refers to the remaining part of medical insurance premiums paid by all employers for employees in a co-ordination area after being deducted from personal accounts. The medical insurance pooling fund belongs to all insured persons, and is managed centrally by social insurance agencies and used uniformly. It is mainly used to pay the medical expenses, operation expenses, nursing expenses and basic inspection expenses of the insured employees. The medical insurance fund shall be stored in a special account for special purposes, and no unit or individual may misappropriate it.