ICD-10 diagnosis code

C78.4 Secondary malignant neoplasm of small intestine

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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.

NorwayICD-10-NO

C78.4Metastase i tynntarm

  • C78.40Mikrometastase i tynntarm
DenmarkICD-10-DK

DC784Fjernmetastase i tyndtarmen

  • DC784AFjernmetastase i duodenum
GermanyICD-10-GM

C78.4Sekundäre bösartige Neubildung des Dünndarmes

FranceICD-10-FR

C78.4Tumeur maligne secondaire de l'intestin grêle

NetherlandsICD-10-NL

C78.4secundair maligne neoplasma van dunne darm

United StatesICD-10-CM

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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