Coinsurance is a clause used in insurance contracts by insurance companies on property insurance policies such as buildings. This clause ensures policyholders insure their property to an appropriate value and that the insurer receives a fair premium for the risk. Coinsurance is usually expressed as a percentage.

What does 80% coinsurance mean for an insurance policy?

Under the terms of an 80/20 coinsurance plan, the insured is responsible for 20% of medical costs, while the insurer pays the remaining 80%. ... Also, most health insurance policies include an out-of-pocket maximum that limits the total amount the insured pays for care in a given period.

How is coinsurance penalty calculated?

WHAT IS THE COINSURANCE PENALTY? ... The simple formula for calculating the coinsurance penalty is: amount of insurance in place / Amount of insurance that should have been in place x the loss, less any deductible is the amount actually paid.