C39

Non-Billable

ChapterC00–D49

Rankcategory

Official Description

Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

Use a more specific code (2 billable)

C39.0Malignant neoplasm of upper respiratory tract, part unspecified C39.9Malignant neoplasm of lower respiratory tract, part unspecified

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.)

intrathoracic malignant neoplasm NOS (C76.1)
thoracic malignant neoplasm NOS (C76.1)

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)

C39Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organsNot billable

C39.0Malignant neoplasm of upper respiratory tract, part unspecifiedBillable

C39.9Malignant neoplasm of lower respiratory tract, part unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C39:

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

Find Procedures (ICD-10-PCS)

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