Denver Health has a network of clinics to keep track of patients discharged from its hospital. Denver Health hide caption

itoggle caption Denver Health

Health and Human Services Secretary Kathleen Sebelius joins Democratic senators at a news conference on Capitol Hill on Tuesday to announce new preventive health coverage for women that takes effect Wednesday. Win McNamee/Getty Images hide caption

itoggle caption Win McNamee/Getty Images

When the U.S. Supreme Court made a Medicaid expansion optional under the Affordable Care Act, the decision lowered the estimated cost of the law. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

Joy Reynolds of San Diego, Calif., looks over Friday's front pages on display at the Newseum in Washington, the day after the Supreme Court ruling on President Barack Obama's health care law. David Goldman/AP hide caption

itoggle caption David Goldman/AP

Protesters and supporters of President Obama's health care law await the Supreme Court's ruling Thursday. The court ruled to uphold the law. The focus now shifts to the states, which are responsible for the lion's share of getting people without insurance covered. Kevin Dietsch/UPI /Landov hide caption

itoggle caption Kevin Dietsch/UPI /Landov

Kailash Sundaran (left), Devyn Greenberg and Devontae Freeland celebrate the Supreme Court's ruling upholding the Affordable Health Care Act outside the court Thursday. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images