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AAPC CPC Exam - Topic 17 Question 49 Discussion

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?
A) Z09, Z86.010
B) K63.5
C) Z86.010, K63.5
D) Z09, K63.5

AAPC CPC Exam - 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?

Show Suggested Answer Hide Answer
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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Thurman
7 months ago
Wait, no new polyps? That's surprising!
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Bernadine
7 months ago
I thought it might be K63.5 since there were polyps before.
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Francoise
7 months ago
Totally agree, that's the right code!
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Dulce
7 months ago
Are we sure about Z09? Seems a bit off to me.
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Nieves
8 months ago
It's Z09, Z86.010 for follow-up after polyp removal.
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Justa
8 months ago
I feel like Z09 is definitely part of the answer, but I'm torn between D and C for the second code.
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Troy
8 months ago
I practiced a similar question where Z86.010 was involved, but I can't recall if it's relevant here.
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Lavonda
8 months ago
I think K63.5 is for polyps, but since there are no new polyps, does that change anything?
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Fabiola
9 months ago
I remember that Z09 is for follow-up after treatment, but I'm not sure if I need to include K63.5 too.
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Annette
9 months ago
I'm a bit confused on this one. The question mentions the previous polyp removal, but I'm not sure if that's the main reason for the follow-up colonoscopy. Could it also be coded as K63.5 for other diseases of the intestine? I'm leaning towards C, but I'm not 100% certain.
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Jin
9 months ago
Okay, let me walk through this step-by-step. The patient had polyps removed previously, and is now back for a follow-up exam. Since no new polyps were found, I believe the correct coding would be Z09 for the follow-up exam, and Z86.010 for the personal history of colonic polyps. I'm going with A.
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Kati
9 months ago
Hmm, I'm a little unsure about this one. The question mentions the patient had polyps removed previously, but it's not clear if that's the reason for the follow-up colonoscopy. I'm torn between A and D, but I'll have to think it through a bit more.
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Belen
9 months ago
This seems straightforward - the patient had polyps removed previously, and is now back for a follow-up colonoscopy with no new polyps found. I think the correct answer is A, Z09 and Z86.010.
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Dianne
11 months 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 months ago
But what about K63.5? Shouldn't that be included as well?
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Shawna
11 months 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
11 months ago
I think the diagnosis coding should be Z09, Z86.010.
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Beula
12 months 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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Chery
11 months ago
Yeah, that combination makes sense. It's important to code accurately for each procedure.
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Miss
11 months 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
12 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
11 months ago
C) Z86.010, K63.5
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Chanel
11 months ago
A) Z09, Z86.010
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Linn
1 year 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
12 months 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
12 months 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
12 months ago
I agree, Z09 is for the follow-up and K63.5 is for the previous polyp removal.
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