C16.9Billable
Malignant neoplasm of stomach, unspecified
- Chapter
- 2. Neoplasms
- Category
- C16
- Effective date
- October 1, 2026
Related codes in category C16
C16Malignant neoplasm of stomachC16.0Malignant neoplasm of cardiaYesC16.1Malignant neoplasm of fundus of stomachYesC16.2Malignant neoplasm of body of stomachYesC16.3Malignant neoplasm of pyloric antrumYesC16.4Malignant neoplasm of pylorusYesC16.5Malignant neoplasm of lesser curvature of stomach, unspYesC16.6Malignant neoplasm of greater curvature of stomach, unspYesC16.8Malignant neoplasm of overlapping sites of stomachYes
Frequently asked questions
What is ICD-10 code C16.9?
C16.9 is an ICD-10-CM diagnosis code for Malignant neoplasm of stomach, unspecified.
Is C16.9 a billable code?
Yes. C16.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C16.9 in?
C16.9 falls under Chapter 2: Neoplasms.
When did C16.9 become effective?
C16.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C16.9?
C16.9 belongs to category C16, which includes 9 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.