 [ Symptoms ] if a carrier denies coverage for a pre existing condition what are the steps involved in appealing that decision  i am just wondering if protracted lawsuits will ensue while a potential patient suffers the effects of waiting for treatment based on a decision about whether the denial was justified [ Disease ] it is illegal for insurers to deny anyone health insurance coverage starting in 2014 if however you are for some reason turned away    a very unlikely scenario    you could file a complaint with your state is department of insurance