All ICD10 Codes

C34

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Malignant neoplasm of bronchus and lung

Use a more specific code (1 billable, 5 non-billable)
C34.0Malignant neoplasm of main bronchushas subcodesC34.1Malignant neoplasm of upper lobe, bronchus or lunghas subcodesC34.2Malignant neoplasm of middle lobe, bronchus or lungC34.3Malignant neoplasm of lower lobe, bronchus or lunghas subcodesC34.8Malignant neoplasm of overlapping sites of bronchus and lunghas subcodesC34.9Malignant neoplasm of unspecified part of bronchus or lunghas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

C30-C39 Parent Instructions

Includes
  • malignant neoplasm of middle ear
Excludes1(Not coded here. Use a different code.)
  • mesothelioma (C45.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C30-C39Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
C34Malignant neoplasm of bronchus and lungNot billable
C34.0Malignant neoplasm of main bronchusSubcodes
C34.1Malignant neoplasm of upper lobe, bronchus or lungSubcodes
C34.2Malignant neoplasm of middle lobe, bronchus or lungBillable
C34.3Malignant neoplasm of lower lobe, bronchus or lungSubcodes
C34.8Malignant neoplasm of overlapping sites of bronchus and lungSubcodes
C34.9Malignant neoplasm of unspecified part of bronchus or lungSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C34:

blockC30-C39
Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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