Coding and billing are the invisible engines of the healthcare system. Without either field, the healthcare industry would be unable to efficiently transmit important data, and healthcare providers would have an incredibly hard time getting paid for their services. In a nutshell, it is the medical coder’s job to translate the healthcare provider’s report of a patient’s visit into numeric or alphanumeric code, which in turn is used by the medical biller to make a bill, or “claim,” for the insurance company and determine the appropriate charge for the patient. In this section, we’ll introduce you to the basic concepts of coding and billing, and we’ll give you an idea of what it’s like to work in these fields. You’ll learn about the leading professional organizations in coding and billing, and we’ll show you the certifications available for each position.