All ICD10 Codes

C34.9

Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description

Malignant neoplasm of unspecified part of bronchus or lung

Use a more specific code (3 billable)
C34.90Malignant neoplasm of unspecified part of unspecified bronchus or lungC34.91Malignant neoplasm of unspecified part of right bronchus or lungC34.92Malignant neoplasm of unspecified part of left bronchus or lung
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).
General instructions are available for the parent sections:
View C30-C39 NotesView C34 Notes

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C30-C39Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
C34Malignant neoplasm of bronchus and lung
C34.9Malignant neoplasm of unspecified part of bronchus or lungNot billable
C34.90Malignant neoplasm of unspecified part of unspecified bronchus or lungBillable
C34.91Malignant neoplasm of unspecified part of right bronchus or lungBillable
C34.92Malignant neoplasm of unspecified part of left bronchus or lungBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C34.9:

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

No direct MS-DRG triggers identified.

Cross Reference

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