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ICD-10-CM Code for Malignant neoplasm of overlapping sites of rectum, anus and anal canal C21.8

ICD-10 code C21.8 for Malignant neoplasm of overlapping sites of rectum, anus and anal canal is a medical classification as listed by WHO under the range - Malignant neoplasms .

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Official Long Descriptor

Malignant neoplasm of overlapping sites of rectum, anus and anal canal
Malignant neoplasm of anorectal junction
Malignant neoplasm of anorectum
Primary malignant neoplasm of two or more contiguous sites of rectum, anus and anal canal

C21

Excludes2: malignant carcinoid tumors of the colon (C7A.02-)
malignant melanoma of anal margin (C43.51)
malignant melanoma of anal skin (C43.51)
malignant melanoma of perianal skin (C43.51)
other and unspecified malignant neoplasm of anal margin (C44.500, C44.510, C44.520, C44.590)
other and unspecified malignant neoplasm of anal skin (C44.500, C44.510, C44.520, C44.590)
other and unspecified malignant neoplasm of perianal skin (C44.500, C44.510, C44.520, C44.590)

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM C21.8 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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can I use Z00.121 and Z00.129 together
[B]According to the ICD 10 CM OGCR section 1. c21.c5.[/B][I] A screening code may be a first-listed code if the reason for the visit is specifically the screening exam, it may also be used as an addit... [ Read More ]
Screening Colonoscopy resulting in 45390 - EMR
[b]Colonoscopys[/b] Stefanie, I found the the info below, not sure it applies but thought I would send. I also included a list of the DX codes they are say support medical necessity for this CPT, and... [ Read More ]
Melanoma of the rectum-extremely rare - I work for a large cancer
Id go with the C21.8 as well. I know there is no code for primary internal malignant melanoma. I compare it to Melanoma of connective tissue, which in my index leads to see Neoplasm, connective tissue... [ Read More ]
Melanoma of the rectum-extremely rare - I work for a large cancer
Hello, I work for a large cancer center and we have a new case that is extremely rare in a patient with melanoma of the rectum to the anal verge path. I need some clarification as to how to code this ... [ Read More ]
E & M w/ 46600, 11100 nlbarnes
Hello - I've been posting several "separately identifiable E/Ms" lately. I'm trying to get an understanding and documentation to give to my employer. This is a new patient being seen for possible ca... [ Read More ]
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