Necessary services, treatments or supplies for a patient to be treated Unusual circumstances related to a patient's medical condition Supplies provided to the patient during a visit The following are the primary documentations that are typically converted into standardized code by a medical coder : This allows the health care provider to not only keep track of patient visit history but also to receive payment for treating patients. Medical coding processes occur every time an individual visits a health care provider and it's at the health care provider's discretion which code to use for each visit. Medical professionals use this code to document patient medical records, correctly bill patients for medical procedures and create claims to be paid by insurance companies. Medical coding is the act of turning health care procedures, diagnoses, equipment and medical services into a universal medical alphanumeric code. View more jobs on Indeed View More What is medical coding?