C34 — Malignant neoplasm of bronchus and lung

Not billable

Is C34 billable?

No — C34 is a non-billable header code. C34 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 16 billable codes beneath C34.

Billable codes under this header

C34 at a glance

Code	C34
Description	Malignant neoplasm of bronchus and lung
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together

The conditions below can never be reported together with C34 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

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

Use additional code

Report an additional code alongside C34 to fully describe the condition. C34 is sequenced first.

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)

Excludes1 — never code together — inherited from C30-C39

The conditions below can never be reported together with C34 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

mesothelioma (C45.-)

What codes fall under C34? (6)

How long has C34 existed?

C34 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.