C18.4
Malignant neoplasm of transverse colon
- Release
- FY 2027
- Effective
Hierarchy
Where C18.4 sits in the official hierarchy. Each level is the code it is classified under.
- C18 Parent Malignant neoplasm of colon
- C18.4 This code Malignant neoplasm of transverse colon
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.
Version History
How C18.4 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentMalignant neoplasm of transverse colon
-
FY 2026 Effective
UnchangedMalignant neoplasm of transverse colon
Related Codes
Other codes under C18
- C18.0 Malignant neoplasm of cecum Billable
- C18.1 Malignant neoplasm of appendix Billable
- C18.2 Malignant neoplasm of ascending colon Billable
- C18.3 Malignant neoplasm of hepatic flexure Billable
- C18.5 Malignant neoplasm of splenic flexure Billable
- C18.6 Malignant neoplasm of descending colon Billable
- C18.7 Malignant neoplasm of sigmoid colon Billable
- C18.8 Malignant neoplasm of overlapping sites of colon Billable
- C18.9 Malignant neoplasm of colon, unspecified Billable
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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