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AAPC Exam CPC Topic 17 Question 49 Discussion

Actual exam question for AAPC's CPC exam
Question #: 49
Topic #: 17
[All CPC Questions]

Patient had polyps removed on a previous colonoscopy. The patient returns three months later for a follow-up examination for another colonoscopy. No new polyps are seen.

What diagnosis coding is reported for the second colonoscopy?

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Suggested Answer: A

For a follow-up examination after the removal of polyps with no new polyps found, the appropriate diagnosis codes are:

Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm.

Z86.010: Personal history of colonic polyps.

Using Z09 indicates that the follow-up exam is to check the patient after treatment, and Z86.010 indicates a history of colonic polyps, which is relevant to the patient's medical history.


ICD-10-CM guidelines

AMA's CPT Professional Edition (current year)

by Refugia at Jul 05, 2025, 12:48 AM

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Dianne
9 days ago
I don't think K63.5 is necessary since no new polyps were found, so I would go with Z09, Z86.010.
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Lennie
11 days ago
But what about K63.5? Shouldn't that be included as well?
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Shawna
15 days ago
I agree, since no new polyps were seen, Z09 for follow-up and Z86.010 for history of polyps makes sense.
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Kassandra
16 days ago
I think the diagnosis coding should be Z09, Z86.010.
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Beula
21 days ago
Haha, these medical coding questions always make my head spin! But I'm gonna go with C) Z86.010, K63.5. The Z86.010 code seems to cover the previous polyp removal, and the K63.5 is for the follow-up. Sounds like the right combo to me!
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Miss
7 days ago
I think you're right, C) Z86.010, K63.5 covers both the previous polyp removal and the follow-up examination.
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Basilia
1 months ago
I'm not sure about this one. I was thinking B) K63.5, since that's the code for polyps, but the question says no new polyps were found, so maybe that's not the right choice. Hmm, tough one.
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Margo
10 days ago
C) Z86.010, K63.5
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Chanel
15 days ago
A) Z09, Z86.010
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Linn
1 months ago
I think the correct answer is D) Z09, K63.5. The patient is coming back for a follow-up examination, so Z09 is the appropriate code for the encounter, and K63.5 is the code for the previous polyp removal.
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Cristy
21 days ago
Actually, the correct answer is A) Z09, Z86.010. Z09 is for the follow-up and Z86.010 is for personal history of polyps.
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Sylvia
29 days ago
I think it's C) Z86.010, K63.5. Z86.010 is for personal history of polyps, and K63.5 is for the current polyp.
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Roxane
1 months ago
I agree, Z09 is for the follow-up and K63.5 is for the previous polyp removal.
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