How Does Health Insurance Coinsurance Work? 
Coinsurance is a funny sounding word that makes sense once you understand it . With most policies , coinsurance follows satisfaction of your major medical deductible . After the deductible , you pay a percentage of the approved claim and the carrier pays another percentage . In most situations the carrier pays 80 % while you pay 20 % . Coinsurance . You insure -LRB- or pay -RRB- and the carrier co-insures the claim . 