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C16 ICD-10-CM Code: Malignant neoplasm of stomach

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

C16

Malignant neoplasm of stomach

ICD-10-CM diagnosis code · United States clinical modification

Where C16 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of digestive organs (C15-C26)

  3. 3

    Category C16

    Malignant neoplasm of stomach

  4. 4

    Code C16

    Malignant neoplasm of stomach

Codes under C16

C16 is a non-billable category. Choose the child code that best matches the documented diagnosis.

C16.0Malignant neoplasm of cardiaC16.1Malignant neoplasm of fundus of stomachC16.2Malignant neoplasm of body of stomachC16.3Malignant neoplasm of pyloric antrumC16.4Malignant neoplasm of pylorusC16.5Malignant neoplasm of lesser curvature of stomach, unspecifiedC16.6Malignant neoplasm of greater curvature of stomach, unspecifiedC16.8Malignant neoplasm of overlapping sites of stomachC16.9Malignant neoplasm of stomach, unspecified

Notes for this code

Inclusion terms

No inclusion terms are listed for C16.

Code first

No “code first” instruction is listed for C16.

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-)

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for C16.

Excludes2

Conditions not included here that may be reported separately when present.

  • malignant carcinoid tumor of the stomach (C7A.092)

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code C16 mean?

C16 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of stomach.”

Is C16 a billable or specific ICD-10-CM code?

No. C16 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is C16 located in ICD-10-CM?

C16 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of digestive organs (C15-C26) (C15–C26), under category C16, Malignant neoplasm of stomach.

What coding notes are listed for C16?

No inclusion terms are listed for C16 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify:; alcohol abuse and dependence (F10.-). No Excludes1 note is listed. Excludes2 notes: malignant carcinoid tumor of the stomach (C7A.092).