Kasey: Yes, I play the guitar order cordarone What happened? For the past two months, the Healthcare.gov back end has transmitted bad data to insurers, which have had to follow up on new enrollments and manually enter the data into their systems. Insurers need to receive text files called 834s in order to import large numbers of enrollees into their systems. The 834 standard has been around for decades, and is used across the industry. Despite this, the contractor that built Healthcare.gov — CGI Federal — mystifyingly failed to program the system to produce correct data files for those transfers.