Common questions: What are CCI Edits? When is it okay to not go by CCI Edits? Are you familiar with NCDs? What about an LCD? Do you know how to find them? Are you familiar with payer policies? Do you code from books or from a computer program such as Encoder? What do you know about the OIG Exclusion Program? Or the Federal Register? How about CMS? Are you familiar with any IOMs? What are RVUs & how do we use them? What's the difference between a global surgical package and a global period?
If I need any information from any of the above, can you get it for me?
What's the difference between hospital coding & physician coding?
Then, be prepared to take a coding exam for whatever specialty you're interviewing.
This is a start.