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AAPC CPC Exam - Topic 10 Question 66 Discussion

What ICD-10-CM coding is reported for a patient who has hypertension and CKD stage 2?
B) I12.9, N18.2
A) I12.0, N18.2
C) E03.9
D) I10, E66.9

AAPC CPC Exam - Topic 10 Question 66 Discussion

Actual exam question for AAPC's CPC exam
Question #: 66
Topic #: 10
[All CPC Questions]

What ICD-10-CM coding is reported for a patient who has hypertension and CKD stage 2?

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Suggested Answer: B

When hypertension and chronic kidney disease (CKD) are documented together, ICD-10-CM assumes a cause-and-effect relationship.

I12.9 = Hypertensive chronic kidney disease with stage 1--4 CKD

N18.2 = CKD stage 2

I12.0 is only for CKD stage 5 or ESRD, which does not apply here.

Therefore, the correct code combination is I12.9, N18.2.


by James at Jul 15, 2026, 09:30 PM

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