C04.9 is the ICD-10 code for Malignant neoplasm: Floor of mouth, unspecified. It is a four-character subcategory of C04 (Malignant neoplasm of floor of mouth), the most specific level in the WHO edition. It belongs to the block C00–C14 (Malignant neoplasms of lip, oral cavity and pharynx) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
C04.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C04.9Ondartet svulst i uspesifisert del av munngulv
DC049Kræft i mundgulvet UNS
C04.9Mundboden, nicht näher bezeichnet
C04.9Plancher de la bouche, sans précision
C04.9mondbodem, niet-gespecificeerd
C04.9Malignant neoplasm of floor of mouth, unspecified
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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