C11 is the ICD-10 code for Malignant neoplasm of nasopharynx. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. 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
Subcodes of C11
- C11.0Malignant neoplasm: Superior wall of nasopharynx
- C11.1Malignant neoplasm: Posterior wall of nasopharynx
- C11.2Malignant neoplasm: Lateral wall of nasopharynx
- C11.3Malignant neoplasm: Anterior wall of nasopharynx
- C11.8Malignant neoplasm: Overlapping lesion of nasopharynx
- C11.9Malignant neoplasm: Nasopharynx, unspecified
C11 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DC11Kræft i næsesvælget
C11Nenänielun syöpä
C11Bösartige Neubildung des Nasopharynx
C11Tumeur maligne du rhinopharynx
C11maligne neoplasma van nasofarynx
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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