2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Respiratory And Intrathoracic Organs 160-165 > ICD-9-CM Diagnosis 161 Malignant neoplasm of larynx A malignant tumor involving the larynx. The majority are carcinomas. -- 2003 161 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 161.0 Malignant neoplasm of glottis A malignant neoplasm arising in the glottic area of the larynx. The vast majority of cases represent squamous cell carcinomas.--2004 161.0 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 161.1 Malignant neoplasm of supraglottis 161.1 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 161.2 Malignant neoplasm of subglottis 161.2 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 161.3 Malignant neoplasm of laryngeal cartilages 161.3 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 161.8 Malignant neoplasm of other specified sites of larynx 161.8 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 161.9 Malignant neoplasm of larynx unspecified A malignant tumor involving the larynx. The majority are carcinomas. -- 2003 161.9 is a specific code that can be used to specify a diagnosis