The Supreme Court is set to rule on the constitutionality of the controversial health care law passed in 2010.

STORY HIGHLIGHTS

Washington (CNN) -- The Supreme Court is set to release within a few days its much-anticipated rulings on the constitutionality of the Affordable Care Act, the comprehensive health care law enacted two years ago.

The election-year rulings will not only guide how every American receives medical care but will also establish precedent-setting boundaries for how government regulation can affect a range of social areas. Your health and your finances could be on the line.

The outcome's possibilities are myriad: a narrow or sweeping decision? A road map to congressional authority in coming decades? Which bloc of justices, which legal argument will win the day?

Here are five scenarios -- strategic markers of a sort -- to watch as the high court weighs in on health care.

Wait another day?

The first question the high court tackled in its seven-hour marathon argument in March was something few observers had expected: It boiled down to whether the law's individual mandate is a "tax" that could prevent the court from considering the broader constitutional questions.

A little-known federal law -- the Anti-Injunction Act, dating back to 1867-- bars claimants from asking for a refund on a tax until it has been paid.

This "gateway" issue could render moot all the other pending health care questions if the justices think the minimum coverage requirement amounts to a tax.

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Five scenarios: Health care options before the justices