What is medical billing and coding? What do medical billers and coders do? What are medical billing codes? What are the pros and cons of medical billing and coding? What is ICD? What is ICD-10? How do ICD-9 and ICD-10 codes differ? What do you think about the medical billing future? Name some good electronic billing software systems? What is the full form of EOR? Are you familiar with Medicare and private payer regulations? If so, which payers? How does one deal with insurance companies to resolve issues with unpaid or rejected (denied) claims? How many charts/cases does a biller/coder typically code in one day? What procedures are most often coded? How do you deal with rejected or unpaid claims? How does one run reports? Can you customize reports? Can you explain the difference between co-pays, deductibles, and co-insurance? How do you deal with difficult or angry patients? How long does it take to process a days charges?