2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Other Conditions Of Brain 348.* > 2008 ICD-9-CM Diagnosis 348.30 Encephalopathy unspecified  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 Therefore, this code may be out of date.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 348.30 can be accessed here. A disorder of the brain that can be caused by disease, injury, drugs, or chemicals. 348.30 is a specific code that can be used to specify a diagnosis 348.30 contains 3 index entries View the ICD-9-CM Volume 1 348.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. Index entries containing 348.30: Dysfunction cerebral 348.30 Dysrhythmia cerebral or cortical 348.30 Encephalopathy (acute) 348.30 alcoholic 291.2 anoxic - see Damage, brain, anoxic arteriosclerotic 437.0 late effect - see Late effect(s) (of) cerebrovascular disease bilirubin, newborn 774.7 due to isoimmunization 773.4 congenital 742.9 demyelinating (callosal) 341.8 due to birth injury (intracranial) 767.8 dialysis 294.8 transient 293.9 hyperinsulinism - see Hyperinsulinism influenza (virus) 487.8 lack of vitamin (see also Deficiency, vitamin) 269.2 nicotinic acid deficiency 291.2 serum (nontherapeutic) (therapeutic) 999.5 syphilis 094.81 trauma (postconcussional) 310.2 current (see also Concussion, brain) 850.9 with skull fracture - see Fracture, skull, by site, with intracranial injury vaccination 323.51 hepatic 572.2 hyperbilirubinemic, newborn 774.7 due to isoimmunization (conditions classifiable to 773.0-773.2) 773.4 hypertensive 437.2 hypoglycemic 251.2 hypoxic - see also Damage, brain, anoxic ischemic (HIE) 768.7 infantile cystic necrotizing (congenital) 341.8 lead 984.9 [323.71] leukopolio 330.0 metabolic (see also Delirium) 348.31 toxic 349.82 necrotizing hemorrhagic 323.61 subacute 330.8 other specified type NEC 348.39 pellagrous 265.2 portal-systemic 572.2 postcontusional 310.2 posttraumatic 310.2 saturnine 984.9 [323.71] septic 348.31 spongioform, subacute (viral) 046.1 subacute necrotizing 330.8 spongioform 046.1 viral, spongioform 046.1 subcortical progressive (Schilder) 341.1 chronic (Binswanger's) 290.12 toxic 349.82 metabolic 349.82 traumatic (postconcussional) 310.2 current (see also Concussion, brain) 850.9 with skull fracture - see Fracture, skull, by site, with intracranial injury vitamin B deficiency NEC 266.9 Wernicke's (superior hemorrhagic polioencephalitis) 265.1