2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Respiratory And Intrathoracic Organs 160-165 > Malignant Neoplasm Of Thymus Heart And Mediastinum 164.* > 2006 ICD-9-CM Diagnosis 164.1 Malignant neoplasm of heart View the most recent version of ICD-9-CM 164.1 Malignant neoplasms originating in the heart 164.1 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 164.* hierarchy Alternate Terminology Endocardium Epicardium Myocardium Pericardium 164.1 Excludes great vessels (171.4)