C04 - Malignant neoplasm of floor of mouth
Use Additional Code:
-code to identify:
-alcohol abuse and dependence (F10.-)
-history of tobacco use Z87.891)
-tobacco dependence (F17.-)
-tobacco use Z72.0)
C04.0 - Malignant neoplasm of anterior floor of mouth
C04.1 - Malignant neoplasm of lateral floor of mouth
C04.8 - Malignant neoplasm of overlapping sites of floor of mouth
C04.9 - Malignant neoplasm of floor of mouth, unspecified