The ICD-9 code range MALIGNANT NEOPLASM OF RESPIRATORY AND INTRATHORACIC ORGANS for 160-165 is medical classification list by the World Health Organization (WHO).
Malignant neoplasm of nasal cavities middle ear and accessory sinuses
Malignant neoplasm of larynx
Malignant neoplasm of trachea bronchus and lung
Malignant neoplasm of pleura
Malignant neoplasm of thymus heart and mediastinum
Malignant neoplasm of other and ill-defined sites within the respiratory system and intrathoracic organs