Malignant neoplasm of overlapping sites of colon

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Malignant neoplasm of overlapping sites of colon

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C18 Malignant neoplasm of colon

Excludes1 - never coded here

malignant carcinoid tumors of the colon (C7A.02-)

Inherited from the C15-C26 section Malignant neoplasms of digestive organs (C15-C26)

Excludes1 - never coded here

Kaposi's sarcoma of gastrointestinal sites (C46.4)

Excludes2 - not included here

gastrointestinal stromal tumors (C49.A-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Neoplasm, neoplastic > bowel
Neoplasm, neoplastic > colon
Neoplasm, neoplastic > enteric
Neoplasm, neoplastic > intestine, intestinal > large > overlapping lesion
Neoplasm, neoplastic > intestine, intestinal > large > colon > overlapping lesion

Codes in the same group

Code	Description	Status
C18.0	Malignant neoplasm of cecum	Valid
C18.1	Malignant neoplasm of appendix	Valid
C18.2	Malignant neoplasm of ascending colon	Valid
C18.3	Malignant neoplasm of hepatic flexure	Valid
C18.4	Malignant neoplasm of transverse colon	Valid
C18.5	Malignant neoplasm of splenic flexure	Valid
C18.6	Malignant neoplasm of descending colon	Valid
C18.7	Malignant neoplasm of sigmoid colon	Valid
C18.9	Malignant neoplasm of colon, unspecified	Valid