Walk into the CPB exam ready for every question. This complete study guide gives medical billing candidates a clear review of every topic the CPB exam tests, plus 600 original practice questions, each with a full written explanation of why the right answer is right and why each wrong choice is a trap. The review is organized by domain so you can study one area at a time and track your progress. Covers the medical billing cycle, payer and insurance types, claim forms and submission, denials and appeals, compliance, and accounts receivable. Questions are scenario-based and written to match the depth and style of the real exam, and each explanation is in plain language to build real understanding rather than memorization. Includes 2 full-length practice exams with complete answer keys. An independent study aid, not affiliated with or endorsed by AAPC.