2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Lip, Oral Cavity, And Pharynx 140-149 > 2006 ICD-9-CM Diagnosis 144 Malignant neoplasm of floor of mouth View the most recent version of ICD-9-CM 144 144 is a non-specific code that cannot be used to specify a diagnosis