ICD-10-CM · Chapter 2 · C00-D49
C13 Malignant neoplasm of hypopharynx
Excludes 2 (not included here)
- malignant neoplasm of pyriform sinus (C12)
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 |
|---|---|---|
| C13..0 | Malignant neoplasm of postcricoid region | Yes |
| C13..1 | Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect | Yes |
| C13..2 | Malignant neoplasm of posterior wall of hypopharynx | Yes |
| C13..8 | Malignant neoplasm of overlapping sites of hypopharynx | Yes |
| C13..9 | Malignant neoplasm of hypopharynx, unspecified | Yes |
Last reviewed: September 2026