C34 — Malignant neoplasm of bronchus and lung
Part of Chapter 2: Neoplasms , block Malignant neoplasms of respiratory and intrathoracic organs (C30-C39) .
Official Notes
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code to identify:
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exposure to environmental tobacco smoke ( Z77.22 )
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exposure to tobacco smoke in the perinatal period ( P96.81 )
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history of tobacco dependence ( Z87.891 )
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occupational exposure to environmental tobacco smoke ( Z57.31 )
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tobacco dependence ( F17 .-)
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tobacco use ( Z72.0 )
Excludes1
Kaposi's sarcoma of lung ( C46.5- )
Excludes1
malignant carcinoid tumor of the bronchus and lung ( C7A.090 )
Child Codes
- C34.0 Malignant neoplasm of main bronchus Has subcodes
- C34.1 Malignant neoplasm of upper lobe, bronchus or lung Has subcodes
- C34.2 Malignant neoplasm of middle lobe, bronchus or lung Billable
- C34.3 Malignant neoplasm of lower lobe, bronchus or lung Has subcodes
- C34.8 Malignant neoplasm of overlapping sites of bronchus and lung Has subcodes
- C34.9 Malignant neoplasm of unspecified part of bronchus or lung Has subcodes
Referenced By
Official notes on these codes cite C34.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS