C16.9 ICD-10-CM Code: Malignant neoplasm of stomach, unspecified
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
C16.9Malignant neoplasm of stomach, unspecified
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where C16.9 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of digestive organs (C15-C26)
- 3
Category C16
Malignant neoplasm of stomach
- 4
Code C16.9
Malignant neoplasm of stomach, unspecified
Documentation details
Notes for this code
Inclusion terms
- Gastric cancer NOS
Code first
No “code first” instruction is listed for C16.9.
Use additional code
No “use additional code” instruction is listed for C16.9.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C16.9.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C16.9.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code C16.9 mean?
C16.9 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of stomach, unspecified.”
Is C16.9 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, C16.9 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is C16.9 located in ICD-10-CM?
C16.9 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 C16.9?
Its listed inclusion terms are Gastric cancer NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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