2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Genitourinary System 580-629 > Other Diseases Of Urinary System 590-599 > Other Disorders Of Kidney And Ureter 593.* > 2006 ICD-9-CM Diagnosis 593.5 Hydroureter View the most recent version of ICD-9-CM 593.5 Abnormal enlargement of the ureter caused by any blockage that prevents urine from draining into the bladder. 593.5 is a specific code that can be used to specify a diagnosis 593.5 contains 3 index entries View the ICD-9-CM Volume 1 593.* hierarchy 593.5 Excludes congenital hydroureter (753.22) hydroureteronephrosis (591)  Index entries containing 593.5: Dilatation ureter (idiopathic) 593.89 due to obstruction 593.5 Distention ureter 593.5 Hydroureter 593.5 congenital 753.22