Free Certified Outpatient Coder (COC) Exam Questions and Answers
Certified Outpatient Coder (COC) is part of AAPC coding credentials. AAPC credentials certify coding accuracy against the current CPT, ICD-10-CM and HCPCS Level II code sets, and the exams are open book — three current-year manuals, one of each.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 14, 2026
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Question #1
A patient comes in for a follow-up colonoscopy after a polypectomy. What code should be reported?
Please select an optionIncorrectCorrect answer: C
Code 45384 is for a colonoscopy and removal of a malignant lesion. Follow-up colonoscopy after a polypectomy is coded as 45385.
Was this answer correct?Question #2
During an office visit, the doctor provides dietary counseling for diabetes management. Which code applies?
Please select an optionIncorrectCorrect answer: A
The code 99401 is for preventive medicine counseling. Dietary counseling is coded separately according to time spent and content.
Was this answer correct?Question #3
A patient is seen for an acute asthma exacerbation and is treated with a nebulizer. What is the main procedure?
Please select an optionIncorrectCorrect answer: A
Code 94640 is used for nebulizer therapy administration. Since this is a treatment for asthma exacerbation, it is the primary procedure code.
Was this answer correct?Question #4
A patient receives IM injections of antibiotics during the visit. What code is appropriate?
Please select an optionIncorrectCorrect answer: A
The code 96372 is for the administration of an injection, directly correlating with the provided IM injections.
Was this answer correct?Question #5
A patient comes to the clinic for a blood glucose test. What code should be used?
Please select an optionIncorrectCorrect answer: A
Code 83036 is specifically for the glucose test, which is commonly performed to monitor blood sugar levels.
Was this answer correct?Question #6
An 8-year-old child is brought in for a routine check-up and immunizations. Which code is used?
Please select an optionIncorrectCorrect answer: D
Code 99391 is specifically for a routine assessment of a new patient pediatric visit.
Was this answer correct?Question #7
A patient with a history of COPD is seen for medication management. Which code is appropriate?
Please select an optionIncorrectCorrect answer: D
Code 99214 is appropriate for a follow-up visit that involves management of a chronic condition like COPD.
Was this answer correct?Question #8
The patient requires a dermatological biopsy during the visit. What code is associated with this procedure?
Please select an optionIncorrectCorrect answer: A
Code 11100 is used for a biopsy of skin or tissue which is directly associated with the procedure performed during the visit.
Was this answer correct?Question #9
A patient presents with uncontrolled hypertension. What is the most appropriate code for this condition?
Please select an optionIncorrectCorrect answer: A
Code I10 is the diagnosis for essential hypertension, making it the most accurate description for uncontrolled hypertension.
Was this answer correct?Question #10
A patient with a prior stroke is experiencing weakness on the left side of the body. What code is applicable?
Please select an optionIncorrectCorrect answer: A
I63.9 indicates a cerebrovascular accident (stroke) without specifications, which correlates with the patient's history of stroke.
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Other AAPC certifications
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FAQ
Learn More: https://www.aapc.com/certifications
- Q1: What is the Certified Outpatient Coder (COC) exam?
- A: Certified Outpatient Coder (COC) is a AAPC certification exam. Judging by the questions in our bank, it concentrates on patient, code, icd-10, seen and visit.
- Q2: What topics does the Certified Outpatient Coder (COC) exam cover?
- A: Questions in our Certified Outpatient Coder (COC) bank cluster around patient, code, icd-10, seen, visit, diagnosis, presents and undergoes. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for Certified Outpatient Coder (COC)?
- A: Work through the Certified Outpatient Coder (COC) practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real Certified Outpatient Coder (COC) exam questions?
- A: They are drawn from officially released past questions and from community members who have sat Certified Outpatient Coder (COC). Answers are verified and updated weekly.
- Q5: Where do I register for the Certified Outpatient Coder (COC) exam?
- A: Register through AAPC directly at https://www.aapc.com/certifications. Exampractice is not affiliated with AAPC and does not administer the exam.
- Q6: Is there a free Certified Outpatient Coder (COC) sample?
- A: Yes. Every Certified Outpatient Coder (COC) page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are AAPC Certification Exams?
- A: AAPC (American Academy of Professional Coders) Certification Exams validate your expertise in medical coding, billing, auditing, compliance, and practice management within the healthcare industry.
- Q8: Why should I pursue AAPC Certification?
- A: AAPC Certification enhances your professional credibility, demonstrating your skills and knowledge in medical coding and healthcare administration. This can lead to better job opportunities, higher salaries, and career advancement.
- Q9: What are the benefits of AAPC Certification?
- A: Benefits include recognition of your expertise, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest industry standards and practices.
- Q10: Who should take AAPC Certification Exams?
- A: Medical coders, billers, auditors, compliance officers, and healthcare administrators should consider these certifications to validate their skills and advance their careers in the healthcare industry.
- Q11: What types of AAPC Certification Exams are available?
- A: AAPC offers various certification paths, including Certified Professional Coder (CPC), Certified Outpatient Coder (COC), Certified Inpatient Coder (CIC), and many specialty certifications tailored to specific healthcare roles and expertise levels.
- Q12: How do I prepare for AAPC Certification Exams?
- A: Preparation can include official AAPC training courses, study guides, practice exams, and hands-on experience in medical coding and healthcare management.
- Q13: Where can I take AAPC Certification Exams?
- A: AAPC Certification Exams can be taken at authorized testing centers worldwide or online, providing flexibility to fit your schedule and location.
- Q14: How do AAPC Certifications impact my career?
- A: AAPC Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in the healthcare industry.
- Q15: Are there any prerequisites for AAPC Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior certifications. Check the specific requirements for each certification path on the AAPC website.
- Q16: How often do I need to recertify for AAPC Certifications?
- A: AAPC Certifications typically require continuing education units (CEUs) and recertification every two years to ensure that certified professionals stay updated with the latest industry standards and practices.