ICD-10 diagnosis code
C77 Secondary and unspecified malignant neoplasm of lymph nodes
C77 is the ICD-10 code for Secondary and unspecified malignant neoplasm of lymph nodes. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block C76–C80 (Malignant neoplasms of ill-defined, secondary and unspecified sites) in Chapter II, Neoplasms.
- Code type
- Category (3 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What C77 excludes
Conditions that look similar but belong under another code.
Subcodes of C77
- C77.0Secondary and unspecified malignant neoplasm: Lymph nodes of head, face and neck
- C77.1Secondary and unspecified malignant neoplasm: Intrathoracic lymph nodes
- C77.2Secondary and unspecified malignant neoplasm: Intra-abdominal lymph nodes
- C77.3Secondary and unspecified malignant neoplasm: Axillary and upper limb lymph nodes
- C77.4Secondary and unspecified malignant neoplasm: Inguinal and lower limb lymph nodes
- C77.5Secondary and unspecified malignant neoplasm: Intrapelvic lymph nodes
- C77.8Secondary and unspecified malignant neoplasm: Lymph nodes of multiple regions
- C77.9Secondary and unspecified malignant neoplasm: Lymph node, unspecified
C77 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DC77Metastaser og kræft UNS i lymfeknuder
C77Syövän etäpesäke (sekundaarinen syöpä) tai määrittämätön pahanlaatuinen kasvain imusolmukkeessa
C77Sekundäre und nicht näher bezeichnete bösartige Neubildung der Lymphknoten
C77Tumeur maligne des ganglions lymphatiques, secondaire et non précisée
C77secundaire en niet-gespecificeerde maligne neoplasmata van lymfeklieren
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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