
The Certified Documentation Expert Outpatient (CDEO) is a professional certification offered by American Academy of Professional Coders (AAPC). The AAPC CDEO exam evaluates clinical documentation improvement, outpatient documentation, ICD-10-CM, CPT, HCPCS Level II, coding and billing guidelines, quality measures, and medical record review.
Candidates pursuing the Certified Documentation Expert Outpatient (CDEO) typically include medical coders, outpatient clinical documentation improvement professionals, coding auditors, and provider documentation reviewers.
This FAQ explains exam structure, readiness expectations, preparation strategy, ethics, and coding-focused insights for candidates preparing for the AAPC CDEO exam.
Key exam facts include:
- Exam format: 100 multiple-choice questions
- Exam duration: 240 minutes
- Passing standard: 70 correct answers
- Delivery: Live remote proctored online exam or computer-based testing center exam
AAPC CDEO — Frequently Asked Questions (FAQs)
This FAQ section summarizes key aspects of the AAPC CDEO exam, including format, difficulty, and preparation. For official eligibility, policies, and updates, visit the AAPC’s official exam page.


