Home > 2006 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > Encephalitis myelitis and encephalomyelitis 323-
Specific code 2006 ICD-9-CM Diagnosis Code 323.81
Other causes of encephalitis and encephalomyelitis
  • ICD-9-CM 323.81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 323.81 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).
  • You are viewing the 2006 version of ICD-9-CM 323.81.
  • More recent version(s) of ICD-9-CM 323.81: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 323.81 converts approximately to:
  • 2015/16 ICD-10-CM G04.81 Other encephalitis and encephalomyelitis
Approximate Synonyms
  • Allergic encephalitis
  • Allergic encephalomyelitis
  • Autoimmune encephalitis
  • Bickerstaff brainstem encephalitis
  • Bickerstaff encephalitis, brainstem
  • Bickerstaff's brainstem encephalitis
  • Encephalitis, paraneoplastic
  • Encephalomyelitis, paraneoplastic
  • Eosinophilic meningoencephalitis
  • Eosinophilic meningoencephalitis due to Angiostrongylus cantonensis
  • Experimental allergic encephalomyelitis
  • Inflammation of brain and spinal cord due to toxic substance
  • Jamestown Canyon virus encephalitis
  • Paraneoplastic encephalitis
  • Paraneoplastic encephalomyelitis
  • Paraneoplastic limbic encephalitis
  • Pyogranulomatous meningoencephalomyelitis
  • Systemic lupus erythematosus encephalitis
 323.8 ICD9Data.com 323.82 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 323.81 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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