2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Nonspecific Abnormal Findings 790-796 > 2008 ICD-9-CM Diagnosis 791 Nonspecific findings on examination 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 Therefore, this code may be out of date.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 791 can be accessed here. 791 is a non-specific code that cannot be used to specify a diagnosis ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 791 excludes: hematuria NOS (599.7) specific findings indicating abnormality of: amino-acid transport and metabolism (270.0-270.9) carbohydrate transport and metabolism (271.0-271.9)