Malignant neoplasm of base of tongue (C01)

• ICD-10 Index

  • Neoplasms (C00–D48)

    • Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)

      • Malignant neoplasm of base of tongue (C01)

        • C01 - Malignant neoplasm of base of tongue BILLABLE CODE

Instructional Notations

Inclusion Terms Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

• Malignant neoplasm of dorsal surface of base of tongue
• Malignant neoplasm of fixed part of tongue NOS
• Malignant neoplasm of posterior third of tongue

Use Additional Code Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

• code to identify:
• alcohol abuse and dependence F10
• history of tobacco dependence Z87.891
• tobacco dependence F17
• tobacco use Z72.0