ICD-10-CM · Chapter 2 · C00-D49
C33 Malignant neoplasm of trachea
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)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit C33 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026