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CDEO 2025/2026 | 100+ Practice Questions with Answers | Clinical Documentation, ICD-10-CM, CDI, Risk Adjustment | AAPC Certified Documentation Expert

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This extensive exam prep document provides over 100 expertly formulated multiple-choice questions and correct answers for the 2025/2026 CDEO (Certified Documentation Expert Outpatient) certification exam. It is aligned with the AAPC certification standards and supports mastery in areas critical to outpatient clinical documentation, coding compliance, and quality reporting. Key topics include documentation improvement programs, compliant query practices, CMS guidelines, ICD-10-CM coding accuracy, HEDIS and MIPS measures, electronic health record (EHR) standards, and risk-adjusted payment models. Additional questions cover documentation scenarios involving chronic conditions (e.g., CKD, COPD, diabetes), preventive screenings, hierarchical condition categories (HCCs), and CPT®/ICD coding for outpatient procedures. The document also explores operational aspects like the OIG Workplan, qSOFA scoring, Z-code restrictions, and STAR ratings for health plans. This document is ideal for: – Students pursuing certification through AAPC as Certified Documentation Expert Outpatient (CDEO) – Medical coding and billing students in health information technology (HIT) or HIM programs – Healthcare professionals preparing for clinical documentation roles in outpatient settings – Nursing or health sciences students learning advanced medical documentation and quality metrics – University of Phoenix learners and allied health students enrolled in coding or compliance courses Keywords: CDEO exam 2025, clinical documentation improvement, ICD-10-CM coding, CPT coding, risk adjustment, HCC coding, MIPS quality measures, HEDIS compliance, CMS query guidelines, outpatient coding, STAR ratings, AAPC exam prep, University of Phoenix, medical chart auditing, CDI scenarios, EHR compliance

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CDEO 2025/2026 Exam Questions with
100% Correct Answers | Latest Update



Clinical Documentation Improvement (CDI) programs can help: - 🧠

ANSWER ✔✔- Build effective documentation compliance policies


- Capture clinical data required for continuity of care

documentation deficiency that has a negative impact on patient outcomes -

🧠 ANSWER ✔✔Failure to include the complications of drug for

prescriptions taken by a patient.

What is best practice to communicate document deficiencies to a provider?

- 🧠 ANSWER ✔✔Provide examples of the provider's documentation errors

with suggestions for improvement.

,A physician who specializes in elder care undergoes a CDI audit. Fifteen

charts are found with the diagnosis of marasmus. Your correct response: -

🧠 ANSWER ✔✔Display in your query the Index entry for marasmus and the

codes and descriptions for E41 and R54. Ask for guidance on which to

report.

The best approach when querying a physician regarding documentation is

to approach the problem as one of: - 🧠 ANSWER ✔✔- Evidence based

medicine

- Financial motive

- Malpractice liability

- Documentation impact on reimbursement

- Documentation impact on compliance

Which EMR feature is non-compliant with CMS? - 🧠 ANSWER

✔✔Templates that allow the provider to de-select a prepopulated "normal"

checkmark when the system is abnormal in the ROS

When providing CDI to a provider, does the message change depending on

whether you are performing a prospective or retrospective audit? - 🧠

, ANSWER ✔✔Yes, because the auditor cannot ask leading questions

regarding documentation before a claim is submitted.

What is NOT considered a purpose of documentation improvement

programs? - 🧠 ANSWER ✔✔Increase reimbursements


CDI programs can help with: - 🧠 ANSWER ✔✔Consistency of

documentation & Team building


Which is NOT an acceptable cause for query? - 🧠 ANSWER ✔✔Signs and

symptoms without a diagnosis


Which is a leading query? - 🧠 ANSWER ✔✔Your sarcoidosis patient has

sarcoid lesions on the cerebral cortex, correct?

The surgeon documents liver cancer, but the pathology report states

angiosarcoma of liver. You: - 🧠 ANSWER ✔✔Code the liver cancer as

angiosarcoma, a primary liver cancer, based on the pathologist's

documentation.

In reviewing the provider's assessment the documentation states "lab tests

reviewed: +K." You correctly query: - 🧠 ANSWER ✔✔Can you please

address the patient's potassium status in further detail?



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