C16.1
✓ Billable
Malignant neoplasm of fundus of stomach
ICD-10-CM · FY2026 · Neoplasms
Code
C16.1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C16.1?
ICD-10-CM code C16.1 represents Malignant neoplasm of fundus of stomach. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C16.1 billable?
Yes. C16.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is C16.1 in?
C16.1 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C16 category
C16
Malignant neoplasm of stomach
Non-billable
C16.0
Malignant neoplasm of cardia
Billable
C16.2
Malignant neoplasm of body of stomach
Billable
C16.3
Malignant neoplasm of pyloric antrum
Billable
C16.4
Malignant neoplasm of pylorus
Billable
C16.5
Malignant neoplasm of lesser curvature of stomach, unspecified
Billable
C16.6
Malignant neoplasm of greater curvature of stomach, unspecified
Billable
C16.8
Malignant neoplasm of overlapping sites of stomach
Billable
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