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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

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)

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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