Malignant neoplasm of other and unspecified parts of tongue (C02) ICD-10-CM
The C02 code range covers malignant neoplasm of other and unspecified parts of tongue with 8 ICD-10-CM diagnosis codes. 7 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
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.
Codes in the C02 Range 8 codes · 7 billable
- C02 Malignant neoplasm of other and unspecified parts of tongueNon-billable
- C02.0 Malignant neoplasm of dorsal surface of tongue
- C02.1 Malignant neoplasm of border of tongue
- C02.2 Malignant neoplasm of ventral surface of tongue
- C02.3 Malignant neoplasm of anterior two-thirds of tongue, part unspecified
- C02.4 Malignant neoplasm of lingual tonsil
- C02.8 Malignant neoplasm of overlapping sites of tongue
- C02.9 Malignant neoplasm of tongue, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the C02 range.
Malignant Anterior Tongue Neoplasm
A primary or metastatic malignant neoplasm that affects the anterior portion of the tongue.
Malignant Tongue Neoplasm
A malignant neoplasm affecting the tongue. The vast majority of cases are carcinomas.
About the C02 Code Range
These codes describe cancer in parts of the tongue. They belong to the group for cancers of the lip, mouth and throat.
C02 separates tongue cancer by location. The subdivisions identify the top surface (C02.0), edge (C02.1), underside (C02.2), and lingual tonsil (C02.4). Other subdivisions identify an unspecified part of the front two-thirds (C02.3), overlapping sites (C02.8), or an unspecified part of the tongue (C02.9).
Questions About This Page
How many billable codes are in the C02 range?
Of the 8 codes in this range, 7 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the C02 range classify?
The range classifies malignant neoplasm of other and unspecified parts of tongue. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
