C78.0 Secondary malignant neoplasm of lungNon-billable header with 3 child codes.
C78.00 Secondary malignant neoplasm of unspecified lungC78.01 Secondary malignant neoplasm of right lungC78.02 Secondary malignant neoplasm of left lungJ93.12 Secondary spontaneous pneumothorax ("secondary malignant neoplasm of lung (C78.0-)")C78 Secondary malignant neoplasm of respiratory and digestive organsC78.0 Secondary malignant neoplasm of lung (this code)C78.00 Secondary malignant neoplasm of unspecified lungC78.01 Secondary malignant neoplasm of right lungC78.02 Secondary malignant neoplasm of left lungC78.1 Secondary malignant neoplasm of mediastinumC78.2 Secondary malignant neoplasm of pleura