The price of a knee MRI in Colorado varies from $350 to $2,336. It’s a huge gap, but it’s also remarkable that the prices themselves are known at all…

But about a dozen states have now established health care price databases to help people shop and compare. Colorado is the latest, launching its Thursday, the same day a consortium of major health care purchasers (including Wal-Mart, GE and the AFL-CIO) issued a manifesto demanding more price transparency.

Source: KHN.