C00.1 is the ICD-10 code for Malignant neoplasm: External lower lip. It is a four-character subcategory of C00 (Malignant neoplasm of lip), 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
What C00.1 includes
Conditions and terms that are coded here.
- Lower lip:
- NOS
- lipstick area
- vermilion border
C00.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C00.1Ondartet svulst på utside av underleppe
DC001Kræft i underlæbens yderside
C00.1Äußere Unterlippe
C00.1Lèvre inférieure, bord libre
C00.1uitwendige onderlip
C00.1Malignant neoplasm of external lower lip
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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