C34.00Billable
Malignant neoplasm of unspecified main bronchus
- Chapter
- 2. Neoplasms
- Category
- C34
- Effective date
- October 1, 2026
Related codes in category C34
C34Malignant neoplasm of bronchus and lungC34.0Malignant neoplasm of main bronchusC34.01Malignant neoplasm of right main bronchusYesC34.02Malignant neoplasm of left main bronchusYesC34.1Malignant neoplasm of upper lobe, bronchus or lungC34.10Malignant neoplasm of upper lobe, unsp bronchus or lungYesC34.11Malignant neoplasm of upper lobe, right bronchus or lungYesC34.12Malignant neoplasm of upper lobe, left bronchus or lungYesC34.2Malignant neoplasm of middle lobe, bronchus or lungYesC34.3Malignant neoplasm of lower lobe, bronchus or lungC34.30Malignant neoplasm of lower lobe, unsp bronchus or lungYesC34.31Malignant neoplasm of lower lobe, right bronchus or lungYes
Frequently asked questions
What is ICD-10 code C34.00?
C34.00 is an ICD-10-CM diagnosis code for Malignant neoplasm of unspecified main bronchus.
Is C34.00 a billable code?
Yes. C34.00 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C34.00 in?
C34.00 falls under Chapter 2: Neoplasms.
When did C34.00 become effective?
C34.00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C34.00?
C34.00 belongs to category C34, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.