WASHINGTON — Medicare begins a major change next month that could save older diabetics money and time when they buy crucial supplies to test their blood sugar — but it also may cause some confusion as patients figure out the new system.

On July 1, Medicare opens a national mail-order program that will dramatically drop the prices the government pays for those products but patients will have to use designated suppliers. The goal is to save taxpayers money but seniors should see their copays drop, too.

Don’t care about the convenience of mail delivery? Just over half of the 4.2 million diabetics with traditional Medicare coverage used mail-order last year, but starting July 1 beneficiaries also can get the new lower price at drugstores enrolled in the Medicare program.

Read more in Wednesday’s Arizona Daily Star or StarNet.