Welcome to the official MedicoExam syllabus guide for the AAPC Certified Hematology and Oncology Coder certification. This page delivers a clear, structured overview of the AAPC CHONC exam, including key exam details, syllabus topics, and preparation references to support effective study planning. The AAPC Certified Hematology and Oncology Coder (CHONC) is intended for professionals pursuing roles aligned with Specialty Coding + Medical coding, with assessment centered on applied competencies such as Hematology and oncology code assignment, chemotherapy and infusion coding, documentation review and coding compliance within real-world settings like Hematology and oncology physician practices, outpatient oncology clinics, cancer centers and infusion or radiation oncology departments.
The syllabus outline below reflects the core domains and expectations defined by the official AAPC certification framework and aligns with the cognitive and professional standards assessed in the AAPC CHONC exam. Candidates can use this guide alongside official vendor resources and structured practice to align their preparation with current exam standards and professional expectations for Medical coding professionals, hematology and oncology coders, physician-practice coding and auditing staff and related roles
AAPC CHONC Exam Summary and Key Details
| Exam Name | AAPC Certified Hematology and Oncology Coder |
| Credential | AAPC Certified Hematology and Oncology Coder (CHONC) |
| Vendor | American Academy of Professional Coders (AAPC) |
| Exam Code | CHONC » AAPC CHONC Certification Practice Exam |
| Exam Delivery Mode | Online live remote proctored exam or testing center exam |
| Exam Duration | 240 mins |
| Number of Questions | 100 |
| Passing Score | 70% |
| Exam Price |
$325 for one attempt $399 for two exam attempts |
| Scheduling Window | Exam voucher is valid for one year from purchase; only one exam attempt may be scheduled at a time |
| Schedule Exam | AAPC |
| Trainings/Resources | Certified Hematology and Oncology Coder (CHONC) Online Training Course |
| Sample Questions | AAPC CHONC Exam Sample Questions |
| Recommended Practice | AAPC CHONC Certification Practice Exam |
AAPC CHONC Exam Syllabus Topics and Weighting
| Topic Areas | Topic Details, Courses, Books |
|---|---|
| Core knowledge areas |
- ICD-10-CM diagnosis coding for hematologic disorders (anemia, clotting disorders, hemophilia, leukemia, lymphoma, and myeloma) and oncologic conditions (solid tumors, metastatic cancers, and neoplasms of uncertain behavior) - E/M service coding for oncology consults, follow-up visits, and chronic disease management - Proper application of modifiers, global periods, and payer-specific oncology billing guidelines |
| Chemotherapy and infusion services |
- Coding for chemotherapy administration (intravenous, subcutaneous, and oral) - Sequencing and coding for multiple drug infusions, hydration, and therapeutic injections - Documentation requirements for drug supply coding (HCPCS Level II) and administration procedures |
| Radiation and specialty oncology services |
- External beam radiation, brachytherapy, and stereotactic procedures - Coding for oncology-related imaging, radiation planning, and treatment delivery - Specialized oncology services including bone marrow biopsies and stem cell procedures |
| Hematology and supportive care services |
- Coding for transfusions, therapeutic phlebotomy, and blood product administration - Biopsy and aspiration procedures for bone marrow and lymph nodes - Supportive therapies such as colony-stimulating factors, iron infusions, and antiemetics |
The AAPC CHONC certification exam is designed to assess both theoretical knowledge and applied professional judgment in Specialty Coding + Medical coding. The exam evaluates competencies such as Hematology and oncology code assignment, chemotherapy and infusion coding, documentation review and coding compliance, ensuring candidates are prepared for real-world responsibilities as Medical coding professionals, hematology and oncology coders, physician-practice coding and auditing staff and related roles working in settings such as Hematology and oncology physician practices, outpatient oncology clinics, cancer centers and infusion or radiation oncology departments.
To prepare effectively for the AAPC Certified Hematology and Oncology Coder exam, candidates are encouraged to review official vendor materials, complete structured practice assessments, and gain hands-on experience relevant to their professional role.
