C78.4 is the ICD-10 code for Secondary malignant neoplasm of small intestine. It is a four-character subcategory of C78 (Secondary malignant neoplasm of respiratory and digestive organs), the most specific level in the WHO edition. It belongs to the block C76–C80 (Malignant neoplasms of ill-defined, secondary and unspecified sites) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
C78.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C78.4Sekundär malign tumör (metastas) i tunntarmen inklusive duodenum
C78.4Metastase i tynntarm
- C78.40Mikrometastase i tynntarm
DC784Fjernmetastase i tyndtarmen
- DC784AFjernmetastase i duodenum
C78.4Sekundäre bösartige Neubildung des Dünndarmes
C78.4Tumeur maligne secondaire de l'intestin grêle
C78.4secundair maligne neoplasma van dunne darm
C78.4Secondary malignant neoplasm of small intestine
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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