C17.9 is the ICD-10 code for Malignant neoplasm: Small intestine, unspecified. It is a four-character subcategory of C17 (Malignant neoplasm of small intestine), the most specific level in the WHO edition. It belongs to the block C15–C26 (Malignant neoplasms of digestive organs) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
C17.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C17.9Ospecificerad lokalisation av malign tumör i tunntarmen
C17.9Ondartet svulst i uspesifisert del av tynntarm
DC179Kræft i tyndtarmen UNS
C17.9Dünndarm, nicht näher bezeichnet
C17.9Intestin grêle, sans précision
C17.9dunne darm, niet-gespecificeerd
C17.9Malignant neoplasm of small intestine, 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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