Free Certified Hematology and Oncology Coder (CHONC) Exam Questions and Answers
Certified Hematology and Oncology Coder (CHONC) 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 17, 2026
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Question #1
A patient with a diagnosis of leukemia is receiving chemotherapy. What is the appropriate code for a febrile neutropenia episode?
Please select an optionIncorrectCorrect answer: D
Febrile neutropenia is coded as a complication of chemotherapy and is associated with code 780.6.
Was this answer correct?Question #2
A patient presents with a suspicious skin lesion and undergoes excisional biopsy. What is the proper coding for the biopsy?
Please select an optionIncorrectCorrect answer: A
Code 11100 is appropriate for a skin biopsy with a report indicating suspicious lesion.
Was this answer correct?Question #3
After a stem cell transplant, a patient develops graft-versus-host disease. How should this be coded?
Please select an optionIncorrectCorrect answer: B
Graft-versus-host disease is a complication coded as 998.83 post-transplant.
Was this answer correct?Question #4
A patient undergoing chemotherapy for breast cancer is admitted for dehydration. What is the best code to assign?
Please select an optionIncorrectCorrect answer: D
Dehydration in patients receiving chemotherapy can be coded as 276.51 to indicate the complication.
Was this answer correct?Question #5
During treatment for colon cancer, a patient develops anemia due to the chemotherapy. What is the appropriate coding for this condition?
Please select an optionIncorrectCorrect answer: D
Anemia due to chemotherapy can be coded as 281.9 for macrocytic anemia.
Was this answer correct?Question #6
A patient presents with severe thrombocytopenia following chemotherapy. How should this condition be coded?
Please select an optionIncorrectCorrect answer: B
Thrombocytopenia due to chemotherapy is coded as 287.31 indicating the condition's type.
Was this answer correct?Question #7
A hematology patient is diagnosed with excess iron following multiple blood transfusions. What is the appropriate code for this condition?
Please select an optionIncorrectCorrect answer: A
Excess iron due to blood transfusions should be coded as E83.11, representing iron overload.
Was this answer correct?Question #8
In coding chemotherapy administration, what is essential to capture for the treatment?
Please select an optionIncorrectCorrect answer: A
Capturing the dosage is crucial for accurate coding and billing of chemotherapy administration.
Was this answer correct?Question #9
A patient has a history of lymphoma and presents with a secondary malignancy. What is the coding consideration?
Please select an optionIncorrectCorrect answer: C
When coding, both the history of lymphoma and the secondary malignancy must be considered.
Was this answer correct?Question #10
During an office visit, a patient complains of persistent fatigue after chemotherapy. What should be documented?
Please select an optionIncorrectCorrect answer: A
Documenting all symptoms, including fatigue, helps clarify the patient's condition post-chemotherapy.
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FAQ
Learn More: https://www.aapc.com/certifications
- Q1: What is the Certified Hematology and Oncology Coder (CHONC) exam?
- A: Certified Hematology and Oncology Coder (CHONC) is a AAPC certification exam. Judging by the questions in our bank, it concentrates on patient, chemotherapy, cancer, coding and code.
- Q2: What topics does the Certified Hematology and Oncology Coder (CHONC) exam cover?
- A: Questions in our Certified Hematology and Oncology Coder (CHONC) bank cluster around patient, chemotherapy, cancer, coding, code, leukemia, diagnosed and lymphoma. 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 Hematology and Oncology Coder (CHONC)?
- A: Work through the Certified Hematology and Oncology Coder (CHONC) 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 Hematology and Oncology Coder (CHONC) exam questions?
- A: They are drawn from officially released past questions and from community members who have sat Certified Hematology and Oncology Coder (CHONC). Answers are verified and updated weekly.
- Q5: Where do I register for the Certified Hematology and Oncology Coder (CHONC) 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 Hematology and Oncology Coder (CHONC) sample?
- A: Yes. Every Certified Hematology and Oncology Coder (CHONC) 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.