C34.81
BillableMalignant neoplasm of overlapping sites of right bronchus and lung
HCC Category Mapping
V28HCC 20 — Lung and Other Severe Cancers
0.000V24HCC 9 — Lung and Other Severe Cancers
0.973ESRDHCC 9 — Lung and Other Severe Cancers
0.000RxHCCHCC 20 — Cancer, Liver and Intrahepatic Bile Duct
0.000What This Code Means
Cancer that involves multiple areas of the right lung and/or right bronchus.
Coding Tips
- •This code indicates right-sided disease affecting more than one lobe or region
- •Document which specific lobes or areas are involved to support medical necessity and treatment planning
Clinical Significance
Right-sided overlapping lung cancer indicates locally advanced disease crossing anatomical boundaries within the right lung. This may include bilobar disease (e.g., upper and middle lobe) or tumor extending from the bronchus into parenchyma. These patients often require extended surgical resections such as bilobectomy or pneumonectomy.
Documentation Requirements
- ✓Imaging showing tumor involvement of multiple right lung regions
- ✓Pathology confirming single primary neoplasm crossing anatomical boundaries
- ✓Documentation of which specific right-sided sites are involved
- ✓TNM staging and surgical resection planning
- ✓Molecular markers for treatment decisions
Commonly Confused Codes
C34.82 — Overlapping left lung: Verify right lateralityC34.80 — Overlapping, unspecified side: Use C34.81 when right side is documentedC34.11/C34.2/C34.31 — Single lobe codes: Use when the primary site is identifiable despite extensionC34.91 — Right lung, unspecified part: C34.81 is more specific with overlapping site information
Code Hierarchy
└C34Malignant neoplasm of bronchus and lung└C34.8Malignant neoplasm of overlapping sites of bronchus and lung└C34.81Malignant neoplasm of overlapping sites of right bronchus and lung
└C34.81Malignant neoplasm of overlapping sites of right bronchus and lung