By Qamar S, 15 years in US medical billing · Last reviewed November 1, 2026
A bonus quiz in the free CPC exam prep pathway. Ten real-world billing and coding scenarios: modifiers, denials, coordination of benefits, Medicare rules and payment math. These are the situations you’ll handle in your first billing job and the kind of reasoning the CPC exam tests. Pick an answer for each, then select “Check my answers” to see your score and an explanation for every question.
What to study next
Scored under 80%? Review modifier rules, the outpatient coding guidelines and how EOBs and remittance codes work, then retake the quiz. Getting ready for interviews? See our billing resume template and interview questions, or take the full CPC practice test.
Independent study material. MedBillGuide is not affiliated with or endorsed by AAPC, AHIMA or NHA. CPC® is a registered trademark of AAPC. Practice questions are original and are not taken from any certification exam. Always study with current official code books. See our Disclaimer.