Specific code 2014 ICD-9-CM Diagnosis Code 349.82
Toxic encephalopathy
  • Billable Code
  • ICD-9-CM 349.82 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 349.82 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Encephalopathy, toxic
Applies To
  • Toxic metabolic encephalopathy
Use Additional
  • Use additional E code to identify cause
Convert to ICD-10-CM: 349.82 converts approximately to:
  • 2014 ICD-10-CM G92 Toxic encephalopathy
ICD-9-CM Volume 2 Index entries containing back-references to 349.82:
  • Bromidism, bromism
    • acute 967.3
      • correct substance properly administered 349.82
      • overdose or wrong substance given or taken 967.3
  • Encephalopathy (acute) 348.30
    • due to
      • birth injury (intracranial) 767.8
      • dialysis 294.8
      • drugs - (see also Table of Drugs and Chemicals) 349.82
      • hyperinsulinism - see Hyperinsulinism
      • influenza (virus) (see also Influenza) 487.8
      • 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
    • metabolic (see also Delirium) 348.31
      • drug induced 349.82
      • toxic 349.82
    • toxic 349.82
      • metabolic 349.82
  • Ergotism (ergotized grain) 988.2
    • from ergot used as drug (migraine therapy)
      • correct substance properly administered 349.82
      • overdose or wrong substance given or taken 975.0
  • Jamaican
    • neuropathy 349.82
    • paraplegic tropical ataxic-spastic syndrome 349.82
  • Narcotism (chronic) (see also Dependence) 304.9
    • acute
      • correct substance properly administered 349.82
      • overdose or wrong substance given or taken 967.8
        • specified drug - see Table of Drugs and Chemicals
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 349.82 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.