Is C34.9 a billable code?
No. C34.9 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
C34.9: Malignant neoplasm of unspecified part of bronchus or lung
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
C34.9 groups related diagnoses under malignant neoplasm of unspecified part of bronchus or lung. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under C34.9
- C34.90Malignant neoplasm of unspecified part of unspecified bronchus or lung
- C34.91Malignant neoplasm of unspecified part of right bronchus or lung
- C34.92Malignant neoplasm of unspecified part of left bronchus or lung
Other codes in C34 Malignant neoplasm of bronchus and lung
C34.9 questions
What does C34.9 mean?
C34.9 is the ICD-10-CM code for Malignant neoplasm of unspecified part of bronchus or lung. It is in chapter 2, Neoplasms (C00-D49).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.