billing records

How long must billing records be kept? I've heard 5, 7, 10 years. Is it from the date of service? Date of payment? Date of last activity?

billing records

We asked that same question in the past. We contacted our risk management insurance company and our accountant. Both told us it is dependent on the statutes in the state your business is located. Our business is located in Minnesota so we contacted the Minnesota Medical Society.