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ICD-10-CM Diagnosis Coding Flashcards

6 cards from real CMC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. In ICD-10-CM, what does the 7th character 'A' indicate when appended to a fracture code?

    Answer: Initial encounter for active treatment

    The 7th character 'A' in ICD-10-CM fracture codes designates the initial encounter when the patient is receiving active treatment for the injury.

  2. Which ICD-10-CM chapter contains codes for diseases of the circulatory system?

    Answer: Chapter 9

    ICD-10-CM Chapter 9 (I00–I99) covers diseases of the circulatory system, including heart disease and stroke.

  3. When coding a condition described as 'probable' or 'suspected' in an outpatient setting, what should the coder assign?

    Answer: The sign or symptom code

    In outpatient coding, suspected or probable diagnoses are not coded as confirmed; instead, the presenting sign, symptom, or abnormal finding is coded.

  4. What is the correct sequencing rule for coding Type 2 diabetes with diabetic chronic kidney disease?

    Answer: Use a combination code that includes both conditions

    ICD-10-CM provides combination codes (e.g., E11.22) that capture both Type 2 diabetes mellitus and diabetic chronic kidney disease in a single code.

  5. Which placeholder character is used in ICD-10-CM when a code requires a 7th character but has fewer than 6 characters?

    Answer: X

    The letter 'X' serves as a placeholder in ICD-10-CM to fill empty character positions so the required 7th character can be appended correctly.

  6. What does the ICD-10-CM abbreviation 'NEC' stand for?

    Answer: Not Elsewhere Coded

    'NEC' stands for 'Not Elsewhere Classified' and is used when the classification does not provide a specific code for the condition being documented.