C34 is the ICD-10 code for Malignant neoplasm of bronchus and lung. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block C30–C39 (Malignant neoplasms of respiratory and intrathoracic organs) in Chapter II, Neoplasms.
- Code type
- Category (3 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
Subcodes of C34
- C34.0Malignant neoplasm: Main bronchus
- C34.1Malignant neoplasm: Upper lobe, bronchus or lung
- C34.2Malignant neoplasm: Middle lobe, bronchus or lung
- C34.3Malignant neoplasm: Lower lobe, bronchus or lung
- C34.8Malignant neoplasm: Overlapping lesion of bronchus and lung
- C34.9Malignant neoplasm: Bronchus or lung, unspecified
C34 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DC34Kræft i bronkier og lunge
C34Keuhkoputken ja/tai keuhkon syöpä
C34Bösartige Neubildung der Bronchien und der Lunge
C34Tumeur maligne des bronches et du poumon
C34maligne neoplasma van bronchus en long
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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