C12
Malignant neoplasm of pyriform sinus
Billable
Coding Guidelines
Inclusion Terms
- Malignant neoplasm of pyriform fossa
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)
