The coding system used is theIcd-cm code. The International Classification of Diseases, Clinical Modification (ICD-CM<span>) is a system used by physicians and other healthcare providers to categorize and </span>code<span> all diagnoses, symptoms and procedures recorded in connection with hospital care in the United States.</span>
Variables can be useful because they hold a certain number/data value that can easily be accessed and changed. For example, in a game, a players score is a variable that changes as the player gets more points; ie coins, items, etc.
