2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > Symptoms Involving Urinary System 788.* > 2008 ICD-9-CM Diagnosis 788.2 Retention of urine  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 788.2 can be accessed here. Inability to urinate. The etiology of this disorder includes obstructive, neurogenic, pharmacologic, and psychogenic causes. Incomplete emptying of the bladder. 788.2 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 788.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Code first, if applicable, hyperplasia of prostate (600.0-600.9 with fifth-digit 1)