C16.4: Malignant neoplasm of pylorus
C16.4 is the billable ICD-10-CM diagnosis code for Malignant neoplasm of pylorus. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code C16.4?
C16.4 is the ICD-10-CM diagnosis code for Malignant neoplasm of pylorus. It belongs to category C16 (Malignant neoplasm of stomach).
Is C16.4 a billable code?
Yes. C16.4 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does C16.4 belong to?
C16.4 is part of ICD-10-CM category C16 — Malignant neoplasm of stomach, which has 18 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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