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Practical Applications Flashcards

7 cards from real ICD 10 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Practical Applications flashcards as text

  1. A patient has hypertension and stage 3 chronic kidney disease (unspecified), with no heart disease documented. Which code set is correct?

    Answer: I12.9 and N18.30

    ICD-10-CM presumes a causal link between hypertension and CKD, so I12.9 is used with an N18 code for the stage.

  2. A patient with type 2 diabetes mellitus and diabetic chronic kidney disease stage 4 is seen. Which codes apply?

    Answer: E11.22 and N18.4

    E11.22 is type 2 diabetes with diabetic CKD, with an additional N18 code to identify the stage (N18.4).

  3. A type 2 diabetic patient takes insulin daily. Which additional code should be reported with the E11 code?

    Answer: Z79.4

    Z79.4 (long-term current use of insulin) is added for type 2 diabetes patients routinely treated with insulin.

  4. A patient is admitted with sepsis due to Escherichia coli, present on admission. Which code is sequenced first?

    Answer: A41.51

    A41.51 (sepsis due to E. coli) identifies both sepsis and organism and is sequenced first.

  5. A patient had an acute myocardial infarction 6 weeks ago and has no current symptoms or treatment for it. Which code is appropriate?

    Answer: I25.2

    I21 codes are used for up to 4 weeks (28 days); after that a healed or old MI is reported with I25.2.

  6. A patient returns for cast removal of a closed fracture that is healing routinely. Which seventh character applies?

    Answer: D

    7th character D is used for subsequent encounters after active treatment, during routine healing.

  7. What does an Excludes1 note mean in the ICD-10-CM Tabular List?

    Answer: The two conditions can never be coded together

    Excludes1 means 'not coded here'; the two conditions are mutually exclusive, with limited exceptions when they are unrelated.

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Sources & references

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  1. cms.gov — Test delivery, exam format, passing score, retake policy, time limit · verified Sep 2026