Apply Diagnosis Sequencing Rules - Certified Professional Coder CPC

1. Which diagnosis is sequenced first when the provider documents two conditions as "due to" each other?

   Sequence the underlying etiology first, then the manifestation. ICD-10-CM mandates coding the underlying cause (etiology) before the resulting condition (manifestation) to properly represent causal relationships.

2. What does a "combination code" in ICD-10-CM represent?

   A single code that reports $2$ or more related conditions. Combination codes in ICD-10-CM efficiently capture multiple interrelated diagnoses in one code, reducing redundancy in reporting.

3. What is the sequencing rule for "impending" or "threatened" conditions when no actual condition occurs?

   Code the impending/threatened condition if indexed and criteria are met. ICD-10-CM allows coding of impending conditions if they are indexed and no actual event occurs, based on clinical documentation.

4. Which option is correct for coding additional symptoms that are not integral to a confirmed diagnosis?

   Code non-integral symptoms as additional diagnoses when documented. Non-integral symptoms in ICD-10-CM are coded additionally if they provide relevant clinical information beyond the primary diagnosis.

5. Which option is correct when a diagnosis code has an Excludes$1$ note for another condition?

   Do not code both together; they cannot occur simultaneously. An Excludes$1$ note in ICD-10-CM indicates mutual exclusivity, preventing simultaneous coding of conflicting diagnoses.

6. Find the correct rule: When two diagnoses are equally treated and meet principal criteria, what is sequenced first?

   Either may be principal unless a guideline or note requires a specific order. ICD-10-CM allows flexibility in principal diagnosis selection when multiple conditions equally qualify, absent specific directives.

7. What does the ICD-10-CM term "with" generally indicate for sequencing and code selection?

   Assume a causal relationship when conditions are linked by "with". The term 'with' in ICD-10-CM presumes an association between conditions unless documentation states otherwise, guiding appropriate combination code use.

8. Which option is correct when a condition is documented as both a symptom and a diagnosis in the same encounter?

   Code the diagnosis; do not code the symptom when it is integral. In ICD-10-CM, integral symptoms are encompassed within the diagnosis code, eliminating the need for separate symptom coding.

9. What is the sequencing rule for postoperative conditions when a guideline states "code first" the procedure?

   Sequence the code indicated by the "code first" note before the postop code. The 'code first' note in ICD-10-CM for postoperative conditions ensures the underlying procedure or condition is prioritized in sequencing.

10. What does the ICD-10-CM instruction "code also" mean for sequencing?

    Assign both codes; sequencing depends on the encounter focus. The 'code also' instruction in ICD-10-CM allows both conditions to be reported, with order determined by the primary reason for the encounter.

11. What is the correct sequencing when a guideline states "code first" and also includes "use additional code"?

    Code first the required underlying condition, then add the additional code. ICD-10-CM guidelines combine 'code first' and 'use additional code' to establish proper order, starting with the underlying condition.

12. Which condition is sequenced first for "sequela" (late effect): the residual or the injury/illness?

    Sequence the residual condition first, then the sequela code. For sequela in ICD-10-CM, the current residual effect is the focus, sequenced before the code indicating the original cause.

13. Which option is correct when a combination code fully describes the condition and its complication?

    Report only the combination code unless instructed otherwise. ICD-10-CM guidelines prioritize combination codes when they fully encompass the diagnosis to avoid unnecessary separate coding.

14. What is the correct action when a combination code is available but documentation lacks required linkage (for example, "with")?

    Do not assume linkage; code separately unless linkage is documented or indexed. ICD-10-CM requires explicit documentation or index guidance for linkage to use combination codes, otherwise conditions are coded individually.

15. What is the sequencing rule for acute and chronic conditions of the same disease documented together?

    Sequence the acute condition first, then the chronic condition. ICD-10-CM guidelines prioritize acute phases over chronic ones when both are present to emphasize the immediate clinical concern.

16. Identify the correct sequencing for an encounter focused on the manifestation in an etiology/manifestation pair.

    Still sequence etiology first; manifestation code is never principal. Manifestation codes in ICD-10-CM are prohibited as principal diagnoses, requiring etiology to be sequenced first regardless of encounter focus.

17. What is the correct sequencing when an ICD-10-CM code has a "use additional code" note?

    Code the primary condition first; add the additional code after. The 'use additional code' note in ICD-10-CM requires sequencing the main condition first, followed by codes for further specificity or related factors.

18. What is the ICD-10-CM sequencing rule when a code is marked as the principal diagnosis?

    Sequence the principal diagnosis code first. ICD-10-CM guidelines require the principal diagnosis, which is the chief reason for the encounter or admission, to be listed first to accurately reflect the primary focus of care.

19. What is the ICD-10-CM sequencing rule for a code labeled as a secondary diagnosis?

    Sequence it after the principal diagnosis. Secondary diagnoses provide supplementary information about coexisting conditions and are sequenced after the principal diagnosis per ICD-10-CM conventions.

20. What should you do when a combination code does not capture all documented manifestations?

    Assign the combination code plus additional required codes. ICD-10-CM requires supplementing combination codes with extra codes to fully document aspects not covered by the combination alone.

21. What is the correct sequencing when an ICD-10-CM code has a "code first" note?

    Sequence the referenced underlying condition code first. A 'code first' note in ICD-10-CM ensures the underlying or primary condition is prioritized to establish the correct diagnostic hierarchy.

22. Which option is correct when a diagnosis code has an Excludes$2$ note for another condition?

    Both may be coded if the patient has both conditions. An Excludes$2$ note in ICD-10-CM permits coding both conditions if clinically applicable, as they are not inherently included in each other.

23. What is the ICD-10-CM sequencing rule when a patient is admitted for treatment of a complication of care?

    Sequence the complication code first, then additional specificity codes. When admission is due to a complication in ICD-10-CM, it becomes the principal diagnosis, followed by codes for details like site or cause.

24. What is the general sequencing rule for signs and symptoms when a definitive diagnosis is established?

    Do not code the signs/symptoms integral to the confirmed diagnosis. Once a definitive diagnosis is confirmed in ICD-10-CM, integral signs and symptoms are considered inherent and not separately coded.

25. What is the correct action when documentation supports a combination code and separate codes are also listed?

    Use the combination code; do not separately code included conditions. Combination codes in ICD-10-CM are preferred to encapsulate all elements, preventing duplication of included conditions in separate codes.

Study these flashcards