Emergency: 119
AMDA-IMIC

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

Category / Non-billable header 2 subcodes

Block: Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

Excludes 1 (cannot be coded together)

  • 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)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
C39..0 Malignant neoplasm of upper respiratory tract, part unspecified Yes
C39..9 Malignant neoplasm of lower respiratory tract, part unspecified Yes

Last reviewed: September 2026