2026 ICD-10-CM Diagnosis Code C16.2Malignant neoplasm of body of stomach

ICD-10-CM Codes›C00–D49›C15-C26›C16

ICD-10-CM C16.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

C16.2 is a billable ICD-10-CM diagnosis code for malignant neoplasm of body of stomach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 374 through 376. Coders also document this condition as carcinoma of body of stomach. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Gastrointestinal cancers - stomach.

Code Identity

ICD-10-CM Code
C16.2
Billable Status
Yes — Valid for Submission
Code Describes
Malignant neoplasm of body of stomach
Short Description
Malignant neoplasm of body of stomach
Same as the full description in the CMS dataset.
Parent Code
C16
Malignant neoplasm of stomach

Code Classification

ChapterC00–D49Neoplasms
SectionC15-C26Malignant neoplasms of digestive organs
CategoryC16Malignant neoplasm of stomach
This CodeC16.2Malignant neoplasm of body of stomach

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Carcinoma of body of stomach
  • Leiomyosarcoma of gastric corpus structure
  • Leiomyosarcoma of stomach
  • Lymphoma of body of stomach
  • Malignant neoplasm of body of stomach
  • Primary adenocarcinoma of body of stomach
  • Primary carcinoma of body of stomach
  • Primary malignant neoplasm of body of stomach

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NEO013
Gastrointestinal cancers - stomach
Default principal diagnosis: inpatient Yes · outpatient Yes

Table of NeoplasmsClinical

Anatomical sites in the Table of Neoplasms that reference this code family.

SiteMalig.
Primary		Malig.
Secondary		Ca
in situ		BenignUncertainUnspec.
corpus › gastricC16.2C78.89D00.2D13.1D37.1D49.0
stomach › bodyC16.2C78.89D00.2D13.1D37.1D49.0
stomach › corpusC16.2C78.89D00.2D13.1D37.1D49.0

Patient EducationClinical

Stomach Cancer

The stomach is an organ between the esophagus and the small intestine. It mixes food with stomach acid and helps digest protein. Stomach cancer mostly affects older people - two-thirds of people who have it are over age 65. Your risk of getting it is also higher if you:

The full article covers:

  • What is Stomach Cancer?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert C16.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
151.4 Mal neo stomach body
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About C16.2Overview

Is C16.2 (Malignant neoplasm of stomach) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report malignant neoplasm of body of stomach on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does C16.2 group to?

When malignant neoplasm of body of stomach is the principal diagnosis on an inpatient stay, it groups to MS-DRG 374, 375, 376, with relative weights from 0.9243 to 2.1387 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of C16.2?

Under the General Equivalence Mappings, malignant neoplasm of body of stomach converts to ICD-9-CM 151.4 (mal neo stomach body). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.