Tens of thousands of Americans who can't get health insurance due to pre-existing medical problems will be blocked from a program designed to help them because funding for the measure is running low.

Obama administration officials said Friday that the state-based "high risk pools" set up under the 2010 health-care law will be closed to new applicants as soon as Saturday and no later than March 2, depending on the state.

However, they stressed that coverage for about 100,000 people who are currently enrolled in the high risk pools won't be affected.

"We're being very careful stewards of the money that has been appropriated to us and we wanted to balance our desire to maximize the number of people who can gain from this program while making sure people who are in the program have coverage," said Gary Cohen, director of the Department of Health and Human Services's Center for Consumer Information and Insurance Oversight. "This was the most prudent step for us to take at this point in time."

The program, which was launched in the summer of 2010, was always intended as a temporary bridge for the uninsured. But it was supposed to last until 2014. At that point, the health-care law will bar insurers from rejecting or otherwise discriminating against people who are already sick, enabling such people to buy plans through the private market.

From the start, analysts questioned whether the $5 billion that Congress appropriated for the "Pre-existing Condition Insurance Plan"— as the program is called — was sufficient.

Initial fears that as many as 375,000 sick people would swamp the pools and bankrupt them by 2012 did not pan out. This is largely because, even with premiums comparable to those charged to healthy people, the plans sold through the pools are often expensive.

But it was also because the pools are only open to people who have gone without insurance for at least six months. The result is that only about 135,000 people have gotten coverage at some point but they are proving far more costly to insure than predicted, Cohen said.

http://www.washingtonpost.com/national/health-science/2013/02/15/cb9d56ac-779c-11e2-8f84-3e4b513b1a13_print.html