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 323.51
Encephalitis and encelphalomyelitis following immunization procedures
  • ICD-9-CM 323.51 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 323.51 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 323.51.
  • More recent version(s) of ICD-9-CM 323.51: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 323.51 converts approximately to:
  • 2015/16 ICD-10-CM G04.02 Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
    Or:
  • 2015/16 ICD-10-CM G04.32 Postimmunization acute necrotizing hemorrhagic encephalopathy
Approximate Synonyms
  • Acute postimmunization necrotizing hemorrhagic encephalopathy
  • Encephalitis following immunization
  • Encephalitis, late effect of immunization
  • Post BCG vaccination encephalitis
  • Post cholera vaccination encephalitis
  • Post diphtheria vaccination encephalitis
  • Post hepatitis A vaccination encephalitis
  • Post hepatitis B vaccination encephalitis
  • Post influenza vaccination encephalitis
  • Post measles vaccination encephalitis
  • Post mixed vaccination encephalitis
  • Post mumps vaccination encephalitis
  • Post paratyphoid vaccination encephalitis
  • Post pertussis vaccination encephalitis
  • Post plague vaccination encephalitis
  • Post polio vaccination encephalitis
  • Post rabies vaccination encephalitis
  • Post rubella vaccination encephalitis
  • Post smallpox vaccination encephalitis
  • Post tetanus vaccination encephalitis
  • Post typhoid vaccination encephalitis
  • Post typhus vaccination encephalitis
  • Post yellow fever vaccination encephalitis
  • Post-immunization encephalitis
  • Postvaccinal encephalomyelitis
 323.5 ICD9Data.com 323.52 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 323.51 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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