I don't know what the law is like in the US, but in my country you do not have to share a diagnosis with your employer. Given the stigma around mental health, I

I don't know what the law is like in the US, but in my country you do not have to share a diagnosis with your employer. Given the stigma around mental health, I'd really not disclose too many details prematurely, unless you are certain that your company will be supportive. All they need to know is that you are not fit to work. Whether the reason is bipolar disorder, migraine, or a broken leg really isn't any of your employers business.