C34.90
Malignant neoplasm of unspecified part of unspecified bronchus or lung
Neoplasms Billable
Quick Reference
Lung cancer without specification of location or laterality
Clinical Information
When to Use This Code
Lung cancer without specification of location or laterality
Common Clinical Scenarios
- Lung cancer diagnosis
- Non-small cell lung cancer
- Small cell lung cancer
- Oncology treatment
Documentation Requirements
- Document laterality (right vs left lung)
- Specify location (upper, middle, lower lobe)
- Record histology (adenocarcinoma, squamous, small cell)
- Note stage and metastases
Coding Guidelines
Inclusion Terms
These terms are included in this code:
Lung cancerBronchogenic carcinomaPulmonary carcinoma
Exclusion Terms
Do NOT use this code for:
- Lung metastases from other primary (C78.0-)
- Benign lung tumor (D14.3-)
Coding Notes
Specify laterality and lobe when known
NSCLC vs SCLC has different treatment implications
Leading cause of cancer deaths
Related ICD-10 Codes
Consider these related codes based on patient presentation:
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Code
C34.90
Category
Neoplasms
Billable Status
Billable
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