I've had one client successfully navigate the gender reassignment surgery maze through Blue Shield of California. It took her a lot of persistence, but it was ultimately approved at the beginning of June.
It is just crucial that all the requirements are met including all those pesky multiple letters from health care professionals. The heath insurance companies usually have a team of people that review all the documentation you submit. Consequently, it all has to be in order.
Don't be discouraged if it initially gets denied. Just follow up with them and find out in what areas your support documents were lacking. They are following their internal rules in order for the procedures to be approved.
So far, Blue Shield and Blue Cross are working with transgender members to meet the requirements set out in the Insurance Gender Non-Discrimination Act that enables health plans to cover the gender reassignment surgery.