2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Other And Unspecified Sites 190-199 > Secondary Malignant Neoplasm Of Respiratory And Digestive Systems 197.* > 2006 ICD-9-CM Diagnosis 197.1 Secondary malignant neoplasm of mediastinum View the most recent version of ICD-9-CM 197.1 The spread of the cancer to the mediastinal. This may be from a primary mediastinal cancer, or from a cancer at a distant site. 197.1 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 197.* hierarchy