C04.1: Malignant neoplasm of lateral floor of mouth
C04.1 is the billable ICD-10-CM diagnosis code for Malignant neoplasm of lateral floor of mouth. 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 C04.1?
C04.1 is the ICD-10-CM diagnosis code for Malignant neoplasm of lateral floor of mouth. It belongs to category C04 (Malignant neoplasm of floor of mouth).
Is C04.1 a billable code?
Yes. C04.1 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 C04.1 belong to?
C04.1 is part of ICD-10-CM category C04 — Malignant neoplasm of floor of mouth, which has 8 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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