ICD-10-CM · Chapter 2 · C00-D49
C00 Malignant neoplasm of lip
Excludes 1 (cannot be coded together)
- malignant melanoma of lip (C43.0)
- Merkel cell carcinoma of lip (C4A.0)
- other and unspecified malignant neoplasm of skin of lip (C44.0-)
Use Additional Code
- code to identify:
- alcohol abuse and dependence (F10.-)
- history of tobacco dependence (Z87.891)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| C00..0 | Malignant neoplasm of external upper lip | Yes |
| C00..1 | Malignant neoplasm of external lower lip | Yes |
| C00..2 | Malignant neoplasm of external lip, unspecified | Yes |
| C00..3 | Malignant neoplasm of upper lip, inner aspect | Yes |
| C00..4 | Malignant neoplasm of lower lip, inner aspect | Yes |
| C00..5 | Malignant neoplasm of lip, unspecified, inner aspect | Yes |
| C00..6 | Malignant neoplasm of commissure of lip, unspecified | Yes |
| C00..8 | Malignant neoplasm of overlapping sites of lip | Yes |
| C00..9 | Malignant neoplasm of lip, unspecified | Yes |
Last reviewed: September 2026