2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Diseases Of Veins And Lymphatics, And Other Diseases Of Circulatory System 451-459 > Varicose Veins Of Other Sites 456.* > 2006 ICD-9-CM Diagnosis 456.2 Esophageal varices in diseases classified elsewhere View the most recent version of ICD-9-CM 456.2 456.2 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 456.* hierarchy Code first underlying disease, as: cirrhosis of liver (571.0-571.9) portal hypertension (572.3)