How would I reply to this It is important to know about the cardiovascular system because it plays a crucial role in most diagnosis, treatments, and reimbursement processes. Here are four ways it is important to know about the cardiovascular system. Medical coders need to assign the appropriate codes based on the condition that the doctor finds or what procedure was done during that visit. Knowledge of the cardiovascular system will allow the coder to do their job faster and easier because they can identify the correct diagnosis (like heart disease) and procedures (like angioplasty). Billing and coding specialist often review medical records before submitting them in for payment to the insurance company for payment. Understanding the cardiovascular system helps verify the information on all related cardio conditions or treatments that has been documented correctly by other health care personal. Insurance companies require detailed documentation supporting billed services before they will approve reimbursements for treatment involving cardio related issues like surgeries, test, medications. This also helps with familiarity with common diseases that effect the cardio system. This is just some of the ways it helps to know how the cardio system works.