2025
ICD-10-CM
Diagnosis
Code

C39 Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs

  • Non-billable
  • 2016–2025

C39 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Malignant neoplasm of other and ill-defined sites in the respiratory system and intrathoracic organs.

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)

Type 1 excludes

  • Intrathoracic malignant neoplasm NOS (C76.1)

  • Thoracic malignant neoplasm NOS (C76.1)

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    No changes

  9. 2017

    Code changed

    • 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 use (Z87.891)
        • occupational exposure to environmental tobacco smoke (Z57.31)
        • tobacco dependence (F17.-)
        • tobacco use (Z72.0)
        • 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)

  10. 2016

    New code