Practise Certified Documentation Expert Outpatient (CDEO®) with a short sample and answer explanations. These are independent learning materials, not official exam questions or a pass prediction.
Exam outline and official sources
AAPC · Currently published AAPC 100-question CDEO examination outline, confirmed 2026-10-23. No examination-outline version or effective date is displayed. The assigned label Certified Documentation Expert - Outpatient (CDEO) is a punctuation variant of AAPC's Certified Documentation Expert Outpatient (CDEO®), not a separate examination. Clinical coding references include FY 2027 ICD-10-CM guidance effective October 1, 2026; that date is not the examination outline's effective date.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- Certified Documentation Expert Outpatient (CDEO®) - AAPC
- Taking the CDEO® exam - AAPC
- CDEO Clinical Documentation Improvement Training Course Syllabus
- CDEO® exam preparation course - AAPC
- 2026 Official Study Guide: CDEO Certification — sample pages
- ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027
- Guidelines for Achieving a Compliant Query Practice, 2026 Update
- Guidelines for Achieving a Compliant Query Practice: What's New in the 2026 Update
- Browse Work Plan Projects - HHS Office of Inspector General
- What is the Criteria for CKD - National Kidney Foundation
- Types of Heart Failure - American Heart Association
- COPD - Diagnosis - NHLBI
- Diabetes & Prediabetes Tests - NIDDK
- Anemia in Chronic Kidney Disease - NIDDK
- Osteoporosis - NIH
- Pressure Injury and Stages - National Pressure Injury Advisory Panel
- Medicare Program Integrity Manual, Chapter 3
- Medicare Advantage Risk Adjustment Data Validation Program - CMS
- Bundled Payments - CMS
- CPT Evaluation and Management Code and Guideline Changes, effective January 1, 2023
- Evaluation and Management Services, MLN006764, May 2026
- Medicare NCCI FAQ Library - CMS
- Guide for Reading Electronic Clinical Quality Measures, Version 9.0
- Denominator Exception - eCQI Resource Center
- Healthcare Effectiveness Data and Information Set (HEDIS) - CMS
- 2027 Medicare Advantage and Part D Star Ratings Fact Sheet
- Medicare Claims Processing Manual, Chapter 17: Drugs and Biologicals
Certified Documentation Expert Outpatient (CDEO®)
Start with 20 free questions, then review the explanations and any topics you missed.
An outpatient CDI team must choose its primary success measure. Which outcome best reflects the purpose of CDI?
Certified Documentation Expert Outpatient (CDEO®)
Flashcards
Purpose of CDI
Integrated record review
Get started with Certified Documentation Expert Outpatient (CDEO®)
Purchase your plan, then choose the module to enable. Your plan renews until canceled.
Monthly exam plan
$147 / month
About $4.90 per day
Enable one exam module after payment
Published questions, flashcards and study tools
Renews until canceled
Yearly exam plan
$1337 / year
About $3.66 per day
Enable one exam module after payment
Published questions, flashcards and study tools
Renews until canceled
Found an issue? See our content policy and report a correction.