C012026
Billable
Malignant neoplasm of base of tongue
C01 is a billable ICD-10-CM diagnosis code for Malignant neoplasm of base of tongue, effective for the FY2026 code set.
Clinical Notes
Frequently Asked Questions
Code Hierarchy
C01
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Related MS-DRGs6
Diagnosis Related Groups for inpatient billing
Official Guidelines
Chapter 2: Neoplasms
Official coding guidelines for C00-D49