Comprehensive Guide to Medical Coding and Documentation, Exams of Nursing

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AHIMA CCS

Domain 1 - 3

COMPREHENSIVE EXAM GUIDE

1. Which coding system is used for the classification of diseases and related health problems?
   • A) CPT
   • B) ICD- 10 - CM
   • C) HCPCS Level II
   • D) SNOMED CT
   • Correct Answer: B) ICD- 10 - CM
   • Rationale: ICD- 10 - CM is the international coding system used to classify diseases and related health issues.
2. What is the primary purpose of coding audit procedures in a healthcare facility?
   • A) To increase revenue
   • B) To ensure compliance with coding standards
   • C) To train new coders
   • D) To evaluate physician performance
   • Correct Answer: B) To ensure compliance with coding standards
   • Rationale: Coding audits help ensure that coding practices comply with established guidelines and regulations.
3. Which of the following is an example of a combination code?
   • A) Hypertension and chronic kidney disease

• Correct Answer: B) To provide a system for outpatient procedural coding
• Rationale: CPT codes are primarily used to classify outpatient and surgical procedure services.

Multiple Response Multiple Choice Questions

6. Which of the following are key components of effective coding documentation? (Select all that apply)

• A) Clarity of clinical information
• B) Use of medical terminology
• C) Abbreviations without definitions
• D) Consistency with coding guidelines
• Correct Answers: A, B, D
• Rationale: Effective documentation should be clear, use appropriate medical terminology, and be consistent with relevant coding guidelines.

7. Which of the following are reasons for submitting a provider query? (Select all that apply)

• A) To clarify ambiguous documentation
• B) To enhance coding accuracy
• C) To delay the billing process
• D) To ensure compliance with regulatory requirements
• Correct Answers: A, B, D

• Rationale: Provider queries are essential for clarifying documentation and improving coding accuracy and compliance.

8. When reviewing a patient's record for coding, which elements should be considered? (Select all that apply)

• A) Initial admission notes
• B) Progress notes
• C) Surgical reports
• D) Discharge summary
• Correct Answers: A, B, C, D
• Rationale: All these documents provide essential clinical information necessary for accurate coding.

Scenario Questions

9. Scenario: A patient is admitted for congestive heart failure exacerbation. The documentation states "diastolic heart failure." What code should be assigned for this condition?

• Answer: I50.32 (Diastolic (congestive) heart failure)
• Rationale: This code accurately reflects the patient's congestive heart failure classification.

10. Scenario: You come across a treatment report that describes a procedure for "subacute sinusitis." The physician documentation is unclear about whether it was acute or chronic. How should you proceed?

14. Scenario: A coder reviews a discharge summary mentioning "arterial blockage" without specifics. Upon querying the provider, they specify that it is "coronary artery blockage." What should the coder assign?
    • Answer: I25.10 (Atherosclerotic heart disease of native coronary artery)
    • Rationale: This code reflects the specific condition clarified by the provider.
15. Scenario: A coding professional is asked to review the notes of a patient who had both pneumonia and acute respiratory failure. The notes only specify "pneumonia." What is the best course of action?
    • Answer: Query the healthcare provider for clarification regarding the respiratory failure.
    • Rationale: Given the importance of both conditions, it's imperative to obtain clarity for accurate coding.
16. Scenario: A patient with a history of diabetes presents with a diabetic foot ulcer on their left foot. The documentation states only "foot ulcer." How should this be coded?
    • Answer: Code the ulcer according to the documentation, but query the provider for the diagnosis of diabetes to ensure accuracy.
    • Rationale: Queries serve to confirm any overlooked significant comorbidities that should also be coded.
17. Scenario: You are coding a procedure done in an outpatient setting for an arthroscopy of the knee. The provider notes "diagnostic arthroscopy" only. Choose the appropriate code.

• Answer: 29870 (Arthroscopy, diagnostic, knee)
• Rationale: The code reflects the diagnostic nature of the arthroscopy as performed.

18. Scenario: While coding an admission note, you find that the physician did not specify the type of fracture sustained by a patient. What is your best course of action?

• Answer: Submit a query to the physician for clarification on the type of fracture.
• Rationale: Clarification from the provider ensures accurate and compliant coding.

19. Scenario: An encoded medical record exhibits "chronic pain syndrome" as the only diagnosis, but no further detail is provided. How should this be approached?

• Answer: Review additional documentation for other co-morbid conditions or query the provider for more specific coding guidance.
• Rationale: Gathering further details ensures that the patient’s complete clinical picture is coded accurately.

20. Scenario: A patient had a subtotal gastrectomy documented but lacks details on any complications. What is the coder’s next step?

• Answer: Query the physician regarding potential complications or follow-up notes.
• Rationale: This inquiry is essential to represent the true condition and care involved.

• Rationale: Specificity is necessary for accuracy and proper reimbursement.

25. Scenario: A provider notes "history of myocardial infarction" in the physician's progress note. How should this be coded in the present admission?

• Answer: Use a Z code (Z86.73) for a personal history of myocardial infarction.
• Rationale: A history of a condition is coded differently under ICD- 10 - CM, emphasizing past rather than current status.

26. Scenario: A patient is discharged with "insufficient documentation to code conditions accurately." What should the coder do?

• Answer: Document the issues and consider querying the provider for clarification or additional information.
• Rationale: It's crucial to maintain integrity in coding by not guessing codes without proper documentation.

27. Scenario: A patient has both diabetes and hypertension documented, but one condition is poorly described. What is the coder's priority?

• Answer: Query the provider to ensure both conditions are accurately represented and coded.
• Rationale: Ensuring comprehensive and specific details for both conditions is key in documenting complexities correctly.

28. Scenario: An orthopedic note refers to "surgical intervention for recurrent dislocation shoulder." How is this coded?

• Answer: Use the relevant CPT code for the procedure performed, ensuring to document the reason for surgery effectively.
• Rationale: Specific procedures must be coded according to the intervention performed.

29. Scenario: While reviewing a medical record for a patient admitted with a urinary tract infection, you find terms like "likely infection" but no definitive diagnosis has been established. How should you proceed?

• Answer: Do not code; clarify with the provider whether there’s a confirmed diagnosis.
• Rationale: Code only what is definitive; a "likely" diagnosis is not enough for coding purposes.

30. Scenario: When coding a patient with chronic renal failure and heart failure, what coding rules should be considered?

• Answer: Assess the nature of both conditions to determine which is principal and which is secondary for coding.
• Rationale: Understanding the relationship and severity of both conditions is vital for accurate coding representation. Traditional Multiple Choice: Question: Which of the following code sets is used to report medical procedures and services in healthcare settings? A) CPT B) ICD- 10 - CM C) HCPCS Level II

Traditional Multiple Choice: Question: Which organization is responsible for overseeing the ICD- 10 - CM coding system in the United States? A) WHO B) CDC C) AHIMA D) CMS Correct Answer: B) CDC Rationale: The Centers for Disease Control and Prevention (CDC) is responsible for overseeing the ICD- 10 - CM coding system in the U.S. Multiple Response Multiple Choice: Question: Which of the following are examples of external cause codes in ICD- 10 - CM? A) W22.02XD (Walked into lamppost, subsequent encounter) B) Y92.146 (Swimming pool of prison as the place of occurrence of the external cause) C) V97.33XD (Sucked into jet engine, subsequent encounter) D) X31.XXXA (Exposure to excessive natural cold, initial encounter) Correct Answer: A) W22.02XD, B) Y92.146, C) V97.33XD Rationale: External cause codes in ICD- 10 - CM are used to describe how an injury or condition occurred, including the place and activity.

Scenario Question: Question: A patient presents to the emergency department with a fractured right ankle due to a fall at home. Code the diagnosis and external cause code for this scenario. Correct Answer: S82.891A (Other fracture of the right lower leg, initial encounter), W01.110A (Fall on same level from slipping, tripping, or stumbling, initial encounter) Rationale: The codes assigned should reflect the specific injury (fractured right ankle) and the external cause (fall at home). Traditional Multiple Choice: Question: Which of the following is an example of a provider query in clinical documentation improvement (CDI)? A) Requesting clarification on a diagnosis B) Changing a patient's treatment plan C) Updating the patient's insurance information D) Discharging a patient from the hospital Correct Answer: A) Requesting clarification on a diagnosis Rationale: Provider queries are used to seek additional information or clarification from physicians to ensure accurate documentation. Multiple Response Multiple Choice: Question: When querying a physician for clarification, what should be included in the query? A) Patient's name and medical record number

Rationale: The Centers for Medicare & Medicaid Services (CMS) provides official guidelines and updates for coding and reporting. Multiple Response Multiple Choice: Question: Which of the following are examples of principal diagnosis coding guidelines? A) Code sequenced first should be the diagnosis that requires or affects patient care B) Code sequenced first should be the diagnosis responsible for the patient's admission C) Code sequenced first should be the diagnosis with the highest severity D) Code sequenced first should be the diagnosis documented by the physician as the primary reason for the encounter Correct Answer: A) Code sequenced first should be the diagnosis that requires or affects patient care, B) Code sequenced first should be the diagnosis responsible for the patient's admission Rationale: Principal diagnosis coding guidelines dictate that the primary diagnosis should reflect the reason for the patient's admission and primary focus of care. Scenario Question: Question: A patient is admitted for pneumonia and is also being treated for chronic obstructive pulmonary disease (COPD). Which condition should be assigned as the principal diagnosis? Correct Answer: J18.9 (Pneumonia, unspecified organism)

Rationale: In this scenario, pneumonia should be assigned as the principal diagnosis as it is the reason for the patient's admission. Traditional Multiple Choice: Question: Which of the following code sets is used for reporting diagnoses in inpatient healthcare settings? A) ICD- 10 - CM B) CPT C) DRG D) SNOMED-CT Correct Answer: A) ICD- 10 - CM Rationale: ICD- 10 - CM is the standard code set for reporting diagnoses in inpatient healthcare settings. Multiple Response Multiple Choice: Question: Which of the following are key elements of a provider query process? A) Documenting the query in the patient's medical record B) Allowing ample time for the physician to respond C) Asking leading questions to guide the physician's response D) Following up on un Answered queries Correct Answer: A) Documenting the query in the patient's medical record, B) Allowing ample time for the physician to respond, D) Following up on un Answered queries

B) Completeness C) Timeliness D) Public availability Correct Answers: A) Accuracy, B) Completeness, C) Timeliness Rationale: Quality coding documentation must be accurate, complete, and timely to ensure that it reflects the patient's clinical picture and supports healthcare decision-making.

3. Scenario Question: A patient is admitted with chest pain and is found to have an acute myocardial infarction (AMI). During the hospital stay, the patient also receives treatment for previously diagnosed hypertension. How should these conditions be coded? A) Code only the AMI as it is the primary reason for admission. B) Code both the AMI and hypertension, with AMI as the primary diagnosis. C) Code hypertension as primary and AMI as secondary since it is pre- existing. D) Code only hypertension as it is a chronic condition. Correct Answer: B) Code both the AMI and hypertension, with AMI as the primary diagnosis. Rationale: The AMI is the primary diagnosis as it is the reason for admission, but the hypertension should also be coded as it was treated during the stay.
4. Traditional Multiple Choice: In the context of provider queries, what is the significance of 'clinical indicators'?

A) They are used to determine the patient's prognosis. B) They guide the selection of diagnostic tests. C) They support the necessity of a documented diagnosis. D) They determine the level of care a patient requires. Correct Answer: C) They support the necessity of a documented diagnosis. Rationale: Clinical indicators are used in provider queries to support the presence of a diagnosis and ensure that the documentation accurately reflects the patient's clinical status.

5. Multiple Response Multiple Choice: What are the benefits of using computer-assisted coding (CAC) systems? (Select all that apply) A) Increased coding speed B) Improved coding accuracy C) Reduced need for coder training D) Enhanced data analytics capabilities Correct Answers: A) Increased coding speed, B) Improved coding accuracy, D) Enhanced data analytics capabilities Rationale: CAC systems can increase the speed and accuracy of coding and provide advanced data analytics, but they do not eliminate the need for coder training.
6. Scenario Question: A coder is reviewing a chart with a documented diagnosis of 'probable myocardial infarction.' How should this be coded? A) As a confirmed diagnosis since it is documented in the chart.