Specific code 2015 ICD-9-CM Diagnosis Code 323.71
Toxic encephalitis and encephalomyelitis
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015
  • Manifestation Code

  • ICD-9-CM 323.71 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 323.71 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 323.71 converts approximately to:
  • 2015/16 ICD-10-CM G92 Toxic encephalopathy
Approximate Synonyms
  • Inflammation of brain and spinal cord due to toxic substance (disorder)
  • Toxic encephalitis
  • Toxic encephalitis, toxin unspecified
  • Toxic encephalomyelitis
  • Toxic encephalomyelitis, toxin unspecified
ICD-9-CM Coding Information
  • 323.71 describes the manifestation of an underlying disease, not the disease itself.
ICD-9-CM Volume 2 Index entries containing back-references to 323.71:
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
  • Encephalopathy (acute) 348.30
  • Meningoencephalitis (see also Encephalitis) 323.9
    • toxic NEC 989.9 [323.71]
      • due to
        • carbon tetrachloride (vapor) 987.8 [323.71]
        • hydroxyquinoline derivatives poisoning 961.3 [323.71]
        • lead 984.9 [323.71]
        • mercury 985.0 [323.71]
        • thallium 985.8 [323.71]
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 323.71 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.