Diagnosis Code: 348.30

Short Description: Encephalopathy NOS

Long Description: Encephalopathy, unspecified

Code Classification:

• Diseases of the nervous system (320–359)
  • Other disorders of the central nervous system (340-349)
    • 348 Other conditions of brain
      • 348.30 Encephalopathy NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 348.30 has the following ICD-9-CM references to the Index of Diseases and Injuries

• 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
    • drugs - (see also Table of Drugs and Chemicals) 349.82
    • hyperinsulinism - see Hyperinsulinism
    • influenza (virus) (see also Influenza) 487.8
      • identified
        • avian 488.09
        • (novel) 2009 H1N1 488.19
    • lack of vitamin (see also Deficiency, vitamin) 269.2
    • nicotinic acid deficiency 291.2
    • serum (nontherapeutic) (therapeutic) 999.59
    • 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) 768.70
      • mild 768.71
      • moderate 768.72
      • severe 768.73
  • infantile cystic necrotizing (congenital) 341.8
  • lead 984.9 [323.71]
  • leukopolio 330.0
  • metabolic (see also Delirium) 348.31
    • drug induced 349.82
    • toxic 349.82
  • necrotizing
    • hemorrhagic (acute) 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) 046.19
  • subacute
    • necrotizing 330.8
    • spongioform 046.19
    • viral, spongioform 046.19
  • 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

Crosswalk Information

The code 348.30 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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