ICD-10 diagnosis code

C79.4 Secondary malignant neoplasm of other and unspecified parts of nervous system

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C79.4 is the ICD-10 code for Secondary malignant neoplasm of other and unspecified parts of nervous system. It is a four-character subcategory of C79 (Secondary malignant neoplasm of other and unspecified sites), 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

C79.4 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

C79.4Metastase i annen eller uspesifisert del av nervesystemet

  • C79.40Mikrometastase i annen eller uspesifisert del av nervesystemet
DenmarkICD-10-DK

DC794Fjernmetastase med anden eller ikke specificeret lokalisation i nervesystemet

GermanyICD-10-GM

C79.4Sekundäre bösartige Neubildung sonstiger und nicht näher bezeichneter Teile des Nervensystems

FranceICD-10-FR

C79.4Tumeur maligne secondaire de parties du système nerveux, autres et non précisées

NetherlandsICD-10-NL

C79.4secundair maligne neoplasma van overige en niet-gespecificeerde delen van

United StatesICD-10-CM

Listed through more specific codes:

  • C79.40Secondary malignant neoplasm of unspecified part of nervous system
  • C79.49Secondary malignant neoplasm of other parts of nervous system

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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