2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Lip, Oral Cavity, And Pharynx 140-149 > ICD-9-CM Diagnosis 144 Malignant neoplasm of floor of mouth 144 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 144.0 Malignant neoplasm of anterior portion of floor of mouth 144.0 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 144.1 Malignant neoplasm of lateral portion of floor of mouth 144.1 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 144.8 Malignant neoplasm of other sites of floor of mouth 144.8 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 144.9 Malignant neoplasm of floor of mouth part unspecified 144.9 is a specific code that can be used to specify a diagnosis