2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Nonspecific Abnormal Findings 790-796 > Nonspecific Abnormal Results Of Function Studies 794.* > 2006 ICD-9-CM Diagnosis 794.0 Nonspecific abnormal results of function study of brain and central nervous system View the most recent version of ICD-9-CM 794.0 794.0 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 794.* hierarchy