You can't indemnify health, only property. Personal costs related to health have no bounds; for instance if you lose your job because of health, your "out of pocket" is your whole salary. Which
real insurance would cover.
Your example is leagues of laws and regulation on top of a scam, a pyramid model that affords top care for those who can afford modest premiums and really do get expensive care for $5 copay, at the cost of everybody else who has to fight their employer via federal politics for the right to go bankrupt.
Indeed, I would say that using insurance to pay your insulin bill is coming out on top of the scam, because some books are getting cooked (+/- paper costs) at the expense of mutual indemnity (taxes, social security). An insulin user is a health insurance voter, but that is a weak expediency for actually fixing the price of insulin and ending the tyranny of insurance companies over healthcare, and it turns whole populations into do-or-die partisans.
Thanks, Obama!