C01 is the ICD-10 code for Malignant neoplasm of base of tongue. It is a three-character category that is not subdivided further. It belongs to the block C00–C14 (Malignant neoplasms of lip, oral cavity and pharynx) in Chapter II, Neoplasms.
- Code type
- Category (3 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What C01 includes
Conditions and terms that are coded here.
- Dorsal surface of base of tongue
- Fixed part of tongue NOS
- Posterior third of tongue
C01 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C01Ondartet svulst i tungerot
DC01Kræft i basis af tunge
- DC019Kræft i tungebasis
C01Bösartige Neubildung des Zungengrundes
C01Tumeur maligne de la base de la langue
C01maligne neoplasma van tongbasis
C01Malignant neoplasm of base of tongue
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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