Yes, you will have to use the new code for analytics.
And please read the documentantion I gave on the first comment. It is a small, simple and clean page.
Your questions seem to indicate you have not read it. You can build your own category hierarchy so that it makes sense to you.
After setting all up you will find this info in Google Analytics on the left nav bar Content area and Event Tracking subarea. You will only see it 24 hours after the online change,