CDEO 2026 EXAM REVIEW EXAM
CDEO 2026 EXAM REVIEW EXAM
QUESTIONS WITH VERIFIED ANSWERS
(100% CORRECT ANSWERS), Exams of
Medicine
What is the primary purpose of clinical documentation in an outpatient healthcare
setting?
A. To increase reimbursement for every patient encounter
B. To provide a complete and accurate record of the patient's care
C. To protect the provider from every possible malpractice claim
D. To ensure that every available diagnosis is reported
Correct Answer: B. To provide a complete and accurate record of the patient's
care
Rationale:
The fundamental purpose of clinical documentation is to accurately communicate
the patient's condition, evaluation, treatment, clinical decision-making, and
ongoing care. Good documentation supports continuity of care because other
healthcare professionals can understand what occurred during the encounter and
what is planned next. It also provides the clinical foundation for accurate coding,
billing, quality reporting, compliance activities, and medical necessity. Although
documentation can support reimbursement and legal protection, those are
secondary benefits rather than the central purpose. CDEO professionals should
therefore evaluate documentation from a patient-care and accuracy perspective
rather than viewing documentation primarily as a mechanism for increasing
reimbursement.
Page 1 of 84
, CDEO 2026 EXAM REVIEW EXAM
A CDI professional identifies that a provider's documentation contains clinical
indicators suggesting a condition that has not been clearly diagnosed. What is the
most appropriate action?
A. Assign the diagnosis based on the clinical indicators
B. Add the diagnosis to the assessment section
C. Query the provider for clarification when appropriate
D. Select the diagnosis that produces the highest reimbursement
Correct Answer: C. Query the provider for clarification when appropriate
Rationale:
A CDI professional should not independently establish or document a provider-
level diagnosis simply because clinical indicators appear to support one. When the
medical record contains clinically relevant information but the provider's
diagnostic statement is incomplete, conflicting, ambiguous, or insufficiently
specific, a compliant query may be appropriate. The purpose of the query is to
obtain clarification from the responsible provider while preserving the provider's
clinical judgment. A properly constructed query should be based on existing
documentation and clinical indicators and should not direct the provider toward a
financially advantageous answer.
Which characteristic is most important when constructing a compliant provider
query?
A. The query should identify the diagnosis that produces the highest
reimbursement
B. The query should lead the provider toward a predetermined diagnosis
C. The query should present relevant clinical information objectively
D. The query should contain only the diagnosis suspected by the CDI specialist
Page 2 of 84
, CDEO 2026 EXAM REVIEW EXAM
Correct Answer: C. The query should present relevant clinical information
objectively
Rationale:
A compliant query should communicate the relevant clinical facts and request
clarification without manipulating the provider's response. The CDI professional
should present the documented clinical indicators in an objective manner and
allow the provider to exercise independent clinical judgment. Depending on the
circumstances, a query may be open-ended or multiple-choice, provided that the
choices are clinically reasonable and supported by the record. The objective is
clarification and documentation integrity, not obtaining a particular diagnosis or
increasing reimbursement.
A provider documents "possible pneumonia" for an outpatient encounter. Which
principle should guide diagnosis coding?
A. Code pneumonia because the provider considered it possible
B. Code the condition as confirmed because antibiotics were prescribed
C. Apply outpatient uncertain-diagnosis coding guidelines
D. Code the most severe respiratory condition supported by the symptoms
Correct Answer: C. Apply outpatient uncertain-diagnosis coding guidelines
Rationale:
Outpatient coding follows specific rules for uncertain diagnoses. Terms such as
"probable," "suspected," " able," "rule out," and "possible" generally are not
coded as if the condition were established in the outpatient setting. Instead,
coding should generally be based on the highest degree of certainty known for the
encounter, such as confirmed conditions, signs, symptoms, abnormal findings, or
other documented reasons for the visit. The CDEO professional must distinguish
Page 3 of 84
, CDEO 2026 EXAM REVIEW EXAM
outpatient coding principles from inpatient rules, where certain uncertain
diagnoses may be coded differently.
A provider documents hypertension and chronic kidney disease in the same
outpatient record. What coding principle is important when determining whether
a combination code applies?
A. The coder must always assign the conditions separately
B. ICD-10-CM may presume a causal relationship between hypertension and CKD
C. The coder must query the provider before any hypertension code can be
assigned
D. CKD automatically becomes the principal diagnosis
Correct Answer: B. ICD-10-CM may presume a causal relationship between
hypertension and CKD
Rationale:
ICD-10-CM contains specific combination-code guidelines for certain relationships
between conditions. When hypertension and chronic kidney disease are
documented together, the classification system presumes a causal relationship
unless the provider clearly documents that the conditions are unrelated. The
appropriate hypertension-with-CKD category is therefore considered along with
an additional code identifying the stage of CKD. Understanding these conventions
is essential because coding should follow ICD-10-CM classification guidelines
rather than relying solely on assumptions about clinical causation.
Which documentation element is particularly important when assigning a code for
chronic kidney disease?
Page 4 of 84
CDEO 2026 EXAM REVIEW EXAM
QUESTIONS WITH VERIFIED ANSWERS
(100% CORRECT ANSWERS), Exams of
Medicine
What is the primary purpose of clinical documentation in an outpatient healthcare
setting?
A. To increase reimbursement for every patient encounter
B. To provide a complete and accurate record of the patient's care
C. To protect the provider from every possible malpractice claim
D. To ensure that every available diagnosis is reported
Correct Answer: B. To provide a complete and accurate record of the patient's
care
Rationale:
The fundamental purpose of clinical documentation is to accurately communicate
the patient's condition, evaluation, treatment, clinical decision-making, and
ongoing care. Good documentation supports continuity of care because other
healthcare professionals can understand what occurred during the encounter and
what is planned next. It also provides the clinical foundation for accurate coding,
billing, quality reporting, compliance activities, and medical necessity. Although
documentation can support reimbursement and legal protection, those are
secondary benefits rather than the central purpose. CDEO professionals should
therefore evaluate documentation from a patient-care and accuracy perspective
rather than viewing documentation primarily as a mechanism for increasing
reimbursement.
Page 1 of 84
, CDEO 2026 EXAM REVIEW EXAM
A CDI professional identifies that a provider's documentation contains clinical
indicators suggesting a condition that has not been clearly diagnosed. What is the
most appropriate action?
A. Assign the diagnosis based on the clinical indicators
B. Add the diagnosis to the assessment section
C. Query the provider for clarification when appropriate
D. Select the diagnosis that produces the highest reimbursement
Correct Answer: C. Query the provider for clarification when appropriate
Rationale:
A CDI professional should not independently establish or document a provider-
level diagnosis simply because clinical indicators appear to support one. When the
medical record contains clinically relevant information but the provider's
diagnostic statement is incomplete, conflicting, ambiguous, or insufficiently
specific, a compliant query may be appropriate. The purpose of the query is to
obtain clarification from the responsible provider while preserving the provider's
clinical judgment. A properly constructed query should be based on existing
documentation and clinical indicators and should not direct the provider toward a
financially advantageous answer.
Which characteristic is most important when constructing a compliant provider
query?
A. The query should identify the diagnosis that produces the highest
reimbursement
B. The query should lead the provider toward a predetermined diagnosis
C. The query should present relevant clinical information objectively
D. The query should contain only the diagnosis suspected by the CDI specialist
Page 2 of 84
, CDEO 2026 EXAM REVIEW EXAM
Correct Answer: C. The query should present relevant clinical information
objectively
Rationale:
A compliant query should communicate the relevant clinical facts and request
clarification without manipulating the provider's response. The CDI professional
should present the documented clinical indicators in an objective manner and
allow the provider to exercise independent clinical judgment. Depending on the
circumstances, a query may be open-ended or multiple-choice, provided that the
choices are clinically reasonable and supported by the record. The objective is
clarification and documentation integrity, not obtaining a particular diagnosis or
increasing reimbursement.
A provider documents "possible pneumonia" for an outpatient encounter. Which
principle should guide diagnosis coding?
A. Code pneumonia because the provider considered it possible
B. Code the condition as confirmed because antibiotics were prescribed
C. Apply outpatient uncertain-diagnosis coding guidelines
D. Code the most severe respiratory condition supported by the symptoms
Correct Answer: C. Apply outpatient uncertain-diagnosis coding guidelines
Rationale:
Outpatient coding follows specific rules for uncertain diagnoses. Terms such as
"probable," "suspected," " able," "rule out," and "possible" generally are not
coded as if the condition were established in the outpatient setting. Instead,
coding should generally be based on the highest degree of certainty known for the
encounter, such as confirmed conditions, signs, symptoms, abnormal findings, or
other documented reasons for the visit. The CDEO professional must distinguish
Page 3 of 84
, CDEO 2026 EXAM REVIEW EXAM
outpatient coding principles from inpatient rules, where certain uncertain
diagnoses may be coded differently.
A provider documents hypertension and chronic kidney disease in the same
outpatient record. What coding principle is important when determining whether
a combination code applies?
A. The coder must always assign the conditions separately
B. ICD-10-CM may presume a causal relationship between hypertension and CKD
C. The coder must query the provider before any hypertension code can be
assigned
D. CKD automatically becomes the principal diagnosis
Correct Answer: B. ICD-10-CM may presume a causal relationship between
hypertension and CKD
Rationale:
ICD-10-CM contains specific combination-code guidelines for certain relationships
between conditions. When hypertension and chronic kidney disease are
documented together, the classification system presumes a causal relationship
unless the provider clearly documents that the conditions are unrelated. The
appropriate hypertension-with-CKD category is therefore considered along with
an additional code identifying the stage of CKD. Understanding these conventions
is essential because coding should follow ICD-10-CM classification guidelines
rather than relying solely on assumptions about clinical causation.
Which documentation element is particularly important when assigning a code for
chronic kidney disease?
Page 4 of 84
