sting in September, a late start that worries the executive director of the state’s marketplace. “It’s a concern that we’re testing this late,” said Tom Betlach, who runs the Arizona Health Care Cost Containment System. “Usually when you do testing, you have to go ahead and address any changes. Given the Oct

esting in September, a late start that worries the executive director of the state's marketplace. "It's a concern that we're testing this late," said Tom Betlach, who runs the Arizona Health Care Cost Containment System. "Usually when you do testing, you have to go ahead and address any changes. Given the Octo