Medical coding, and am having a hard time with what code I should use. I will spend hours working on my assignments, and end up get more than half wrong. 

Here is an question. Could you help figure out what the code should be, and how you came up with that answer.

A 33-year-old healthy male construction worker fell from a ladder onto a wooden platform. He was brought into the emergency room and diagnosed with a concussion; there was no loss of consciousness. The patient went to the operating room for the complicated removal of wood from the skin of his shoulder. He received general anesthesia