ICD-10-CM>C00-D49>C00-C14>C01C01Malignant neoplasm of base of tongueBillable/Specific Copy Code Copy DescriptionApplicable ToMalignant neoplasm of dorsal surface of base of tongueMalignant neoplasm of fixed part of tongue NOSMalignant neoplasm of posterior third of tongueUse Additionalcode to identify:alcohol abuse and dependence (F10.-)history of tobacco dependence (Z87.891)tobacco dependence (F17.-)tobacco use (Z72.0)