What's co-insurance?
Co-insurances are a kind of financial responsibility. This is the kind of scenario and setup that is typical of PPO plans.
Co-insurance shares are typically a percentage of the fees charged. So if a doctor's fees end up being $100 for the day, and your co-insurance share is said to be 20%, your financial responsibility would be—? You guessed it: $20.
See also:
Did you know that it's illegal for physicians not to try to collect your co-insurance or any kind of financial responsibility from you?—be it a deductible, co-pay or whatever. It is! And it's considered a form of healthcare fraud. Read this.
More on PPO plans
More on financial responsibility