As a certified professional coder, your primary responsibilities are to oversee and direct medical coding for a clinic or medical practice. Your duties include ensuring compliance with health care regulations, monitoring reimbursement from appropriate codes, submitting billing, validating medical necessity, and reviewing medical records. You correct codes, stay updated on changes in insurance codes, and offer recommendations or suggestions to doctors and nurses to ensure proper documentation. You also scan documents, maintain electronic files, and prepare reports as needed. If a claim gets rejected, you may communicate with the patient about obtaining payment.