C30.1 is the ICD-10 code for Malignant neoplasm: Middle ear. It is a four-character subcategory of C30 (Malignant neoplasm of nasal cavity and middle ear), the most specific level in the WHO edition. It belongs to the block C30–C39 (Malignant neoplasms of respiratory and intrathoracic organs) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What C30.1 includes
Conditions and terms that are coded here.
- Eustachian tube
- Inner ear
- Mastoid air cells
What C30.1 excludes
Conditions that look similar but belong under another code.
C30.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C30.1Ondartet svulst i mellomøre eller indre øre
DC301Kræft i mellemøre
- DC301AKræft i cellulae mastoideae
- DC301BKræft i tuba auditiva
C30.1Mittelohr
C30.1Oreille moyenne
C30.1middenoor
C30.1Malignant neoplasm of middle ear
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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