NOS.. Not otherwise specified....
It can take months to a year or more to nail down a diagnosis of which Bipolar you may have. Some Pdocs are quick to name it, others wait and see how your illness cycles and how you respond to medications.
Try not the let the "label" become a the focal point. Work on treating the symptoms and find ways to improve your life and find stability.
Welcome to PC

You will find support and all kinds of advise you can try and see if it helps you.