C04.1

ICD-10Billable

Malignant neoplasm of lateral floor of mouth

Official ICD-10-CM descriptor (FY2026)

Malignant neoplasm of lateral floor of mouth

C04.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Related codes in C04

Where this code sits

Parent code
C04

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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