2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Genitourinary System 580-629 > Other Diseases Of Urinary System 590-599 > Calculus Of Lower Urinary Tract 594.* > 2008 ICD-9-CM Diagnosis 594.1 Other calculus in bladder  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 Therefore, this code may be out of date.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 594.1 can be accessed here. Calculi of the urinary bladder; also known as vesical calculi or bladder stones, and cystoliths. 594.1 is a specific code that can be used to specify a diagnosis 594.1 contains 7 index entries View the ICD-9-CM Volume 1 594.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 594.1 also known as: Urinary bladder stone 594.1 excludes: staghorn calculus (592.0) Index entries containing 594.1: Calculus, calculi, calculous 592.9 bladder (encysted) (impacted) (urinary) 594.1 diverticulum 594.0 cystic 594.1 duct - see Cholelithiasis vesical (impacted) 594.1 Cystitis (bacillary) (colli) (diffuse) (exudative) (hemorrhagic) (purulent) (recurrent) (septic) (suppurative) (ulcerative) 595.9 calculous 594.1 Cystolithiasis 594.1 Stone(s) - see also Calculus bladder 594.1 diverticulum 594.0 urinary (duct) (impacted) (passage) 592.9 bladder 594.1 diverticulum 594.0