I had this at my former employer. Called Starbridge which is now owned by Cigna. Paid like $40 every 2 weeks only to find out it had an annual limit of $2000. Yes, that's Two Thousand Dollars - for the whole year. allstarecho.
www.consumerist.com/consumer/insurance/dont-be-fooled-by-limited-benefit-insurance-plans-300125.php