I signed up for the COC program that was offered at at the Community College in my state, it was a waste of money. All you're doing is reading and watching videos, you couldn't get anyone on the phone or respond to emails. I took the exam through AAPC and unfortunately I failed, after speaking with an instructor with AAPC I see how unprepared I was/am. Do not waste your money or your employers money. Beyond pissed