2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Ill-Defined And Unknown Causes Of Morbidity And Mortality 797-799 > Other Ill-Defined And Unknown Causes Of Morbidity And Mortality 799.* > 2008 ICD-9-CM Diagnosis 799.2 Nervousness  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 Therefore, this code may be out of date.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 799.2 can be accessed here. 799.2 is a specific code that can be used to specify a diagnosis 799.2 contains 11 index entries View the ICD-9-CM Volume 1 799.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 799.2 also known as: "Nerves" Index entries containing 799.2: Disturbance - see also Disease nervous functional 799.2 Inadequate, inadequacy nervous system 799.2 Irritability (nervous) 799.2 bladder 596.8 neurogenic 596.54 with cauda equina syndrome 344.61 bowel (syndrome) 564.1 bronchial (see also Bronchitis) 490 cerebral, newborn 779.1 colon 564.1 psychogenic 306.4 duodenum 564.89 heart (psychogenic) 306.2 ileum 564.89 jejunum 564.89 myocardium 306.2 rectum 564.89 stomach 536.9 psychogenic 306.4 sympathetic (nervous system) (see also Neuropathy, peripheral, autonomic) 337.9 urethra 599.84 ventricular (heart) (psychogenic) 306.2 Irritation nervous 799.2 Nerves 799.2 Nervous (see also condition) 799.2 breakdown 300.9 heart 306.2 stomach 306.4 tension 799.2 Nervousness 799.2 Restlessness 799.2 Tension nervous 799.2 Trouble - see also Disease nervous 799.2