generic levothyroxine substitutions?

Is the Sandoz generic levothyroxine 100 mcg AB rated? Is it interchangeable with Unithroid 100 mcg?

I did not see the Sandoz levothyroxine product listed in the orange book, and it doesn't say it's discontinued, so why isn't it in the orange book?

Source: Student Doctor Network - April 12, 2016 Category: Universities & Medical Training Authors: swatchgirl Source Type: forums