Humana documents containing protected health information meant for providers were sent to the incorrect address, affecting enrollees in eight states.
According to a statement shared with Becker's Jan. 23, on Dec. 8, Humana became aware that explanation of payment documents containing enrollees' names, Humana ID numbers, claim payment information and other information were sent to the wrong address.
There is no indication the information was misused as a result of the error, the company said in its statement.
"Humana immediately identified the cause of the error and corrected it. Through testing we confirmed the system is now operating correctly," the company said.
The breach affected Humana members in Alabama, Florida, Georgia, Illinois, Kentucky, North Carolina, Tennessee and Texas.
A Humana spokesperson did not confirm how many members were affected by the system programming error.