C21.2
Malignant neoplasm of cloacogenic zone
- Release
- FY 2027
- Effective
Hierarchy
Where C21.2 sits in the official hierarchy. Each level is the code it is classified under.
- C21 Parent Malignant neoplasm of anus and anal canal
- C21.2 This code Malignant neoplasm of cloacogenic zone
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes2
malignant carcinoid tumors of the colon ( C7A.02- )
Inherited from C21 — Malignant neoplasm of anus and anal canal
Excludes2
malignant melanoma of anal margin ( C43.51 )
Inherited from C21 — Malignant neoplasm of anus and anal canal
Excludes2
malignant melanoma of anal skin ( C43.51 )
Inherited from C21 — Malignant neoplasm of anus and anal canal
Excludes2
malignant melanoma of perianal skin ( C43.51 )
Inherited from C21 — Malignant neoplasm of anus and anal canal
Excludes2
other and unspecified malignant neoplasm of anal margin ( C44.500 , C44.510 , C44.520 , C44.590 )
Inherited from C21 — Malignant neoplasm of anus and anal canal
Version History
How C21.2 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMalignant neoplasm of cloacogenic zone
-
FY 2026 Effective
UnchangedMalignant neoplasm of cloacogenic zone
Related Codes
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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