C34.12

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of upper lobe, left bronchus or lung

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 2: Neoplasms (C00-D49).
General instructions are available for the parent sections:

Clinical Hierarchy

CH2Neoplasms (C00-D49)
C30-C39Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
C34Malignant neoplasm of bronchus and lung
C34.1Malignant neoplasm of upper lobe, bronchus or lung
C34.12Malignant neoplasm of upper lobe, left bronchus or lung

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C34.12:

categoryC34
Malignant neoplasm of bronchus and lung
View context instructions
blockC30-C39
Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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