Should I let my boss know?

It's contract position (fire/quit at will) but a good one. I developed a serious but curable illness but need an operation with a week out. (I can continue to work while in the hospital.) Problem is it's urgent. Doctors are trying to schedule quickly, but many in line (big city). I may have to go to ER... show more It's contract position (fire/quit at will) but a good one.

I developed a serious but curable illness but need an operation with a week out. (I can continue to work while in the hospital.)

Problem is it's urgent. Doctors are trying to schedule quickly, but many in line (big city). I may have to go to ER and be operated on without notice.
Update: Wait at let him know at the time, or give him a heads up?
3 answers 3