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ICD-10 diagnosis code

C77.9 Secondary and unspecified malignant neoplasm: Lymph node, unspecified

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C77.9 is the ICD-10 code for Secondary and unspecified malignant neoplasm: Lymph node, unspecified. It is a four-character subcategory of C77 (Secondary and unspecified malignant neoplasm of lymph nodes), 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

C77.9 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

C77.9Ospecificerad lokalisation av sekundär malign tumör (metastas) i lymfkörtlar

NorwayICD-10-NO

C77.9Metastase eller uspesifisert ondartet svulst i lymfeknute med uspesifisert lokalisasjon

  • C77.90Mikrometastase i lymfeknute med uspesifisert lokalisasjon
DenmarkICD-10-DK

DC779Metastase eller kræft UNS i lymfeknude UNS

  • DC779AMetastase i lymfeknude UNS
  • DC779BKræft UNS i lymfeknude UNS
GermanyICD-10-GM

C77.9Lymphknoten, nicht näher bezeichnet

FranceICD-10-FR

C77.9Ganglion lymphatique, sans précision

NetherlandsICD-10-NL

C77.9lymfeklier, niet-gespecificeerd

United StatesICD-10-CM

C77.9Secondary and unspecified malignant neoplasm of lymph node, 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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