There appears to be no evidence that the vendors for the Centers for Medicare & Medicaid Services have written the code to fix the faulty back-end systems that deal with paying subsidies and billing qualified health plan enrollees, John Sarich, vice president of strategy at VUE Software told LifeHealthPro. And because these back-end systems are not up and running properly, states have trouble integrating their systems with the federal one. Sarich also noted that it may take three to five years to get the public exchanges to work properly. Article