C18.0

Billable

ChapterC00–D49

Ranksubcategory

Official Description

Malignant neoplasm of cecum

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes

Malignant neoplasm of ileocecal valve

General instructions are available for the parent sections:

View C15-C26 Notes View C18 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)

C15-C26Malignant neoplasms of digestive organs (C15-C26)

C18Malignant neoplasm of colon

C18.0Malignant neoplasm of cecum

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C18.0:

categoryC18

Malignant neoplasm of colon

View context instructions

blockC15-C26

Malignant neoplasms of digestive organs (C15-C26)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C18.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

Neoplasm, neoplastic8 unique routes

caput coli→C18.0

cecum→C18.0

ileocecum, ileocecal (coil) (junction) (valve)→C18.0

intestine, intestinal(4 variants)

large(4 variants)

caput coli→C18.0

cecum→C18.0

colon

caput→C18.0

ileocecum, ileocecal (coil) (valve)→C18.0

junction

ileocecal→C18.0

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 374

Digestive Malignancy with MCC

DRG 375

Digestive Malignancy with CC

DRG 376

Digestive Malignancy without CC/MCC

Cross Reference

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