C34

Non-billable

Malignant neoplasm of bronchus and lung

C34 is the ICD-10-CM code for Malignant neoplasm of bronchus and lung. It is a non-billable category code — use a more specific child code such as C34.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
6
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

What is lung cancer? Lung cancer is cancer that forms in tissues of the lung, usually in the cells that line the air passages. It is the leading cause of cancer death in both men and women. There are two main types: small cell lung cancer and non-small cell lung cancer . These two types grow differently and are treated differently. Non-small cell lung cancer is the more common type. Who is more likely to develop…

Read more about Lung Cancer at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • Kaposi's sarcoma of lung (C46.5-)
  • malignant carcinoid tumor of the bronchus and lung (C7A.090)

Use additional code

  • code to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code C34?
C34 is the ICD-10-CM code for "Malignant neoplasm of bronchus and lung". It falls under C00-D49 Neoplasms.
Is C34 a billable code?
No — C34 is a non-billable header code. Use a more specific child code (such as C34.0) for billing.
What are the subcodes of C34?
C34 has 6 more specific child codes, including C34.0, C34.1, C34.2.
What is excluded from C34?
Excludes1 (not coded here): Kaposi's sarcoma of lung (C46.5-); malignant carcinoid tumor of the bronchus and lung (C7A.090).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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