Home > 2012 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 2012 ICD-9-CM Diagnosis Code 323.01
Encephalitis and encephalomyelitis in viral diseases classified elsewhere
  • Short description: Enceph/encephmye oth dis.
  • ICD-9-CM 323.01 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 323.01 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 2012 version of ICD-9-CM 323.01.
  • More recent version(s) of ICD-9-CM 323.01: 2013 2014 2015.
Convert to ICD-10-CM: 323.01 converts approximately to:
  • 2015/16 ICD-10-CM G05.3 Encephalitis and encephalomyelitis in diseases classified elsewhere
323.01 Excludes
ICD-9-CM Volume 2 Index entries containing back-references to 323.01:
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
    • due to
      • actinomycosis 039.8 [323.41]
      • cat-scratch disease 078.3 [323.01]
      • human herpesvirus 6 058.21
      • human herpesvirus 7 058.29
      • human herpesvirus NEC 058.29
      • human immunodeficiency virus [HIV] disease 042 [323.01]
      • infectious mononucleosis 075 [323.01]
      • malaria (see also Malaria) 084.6 [323.2]
      • negishi virus 064
      • ornithosis 073.7 [323.01]
      • other infection classified elsewhere 136.9 [323.41]
      • prophylactic inoculation against smallpox 323.51
      • rickettsiosis (see also Rickettsiosis) 083.9 [323.1]
      • rubella 056.01
      • toxoplasmosis (acquired) 130.0
      • typhus (fever) (see also Typhus) 081.9 [323.1]
      • vaccination (smallpox) 323.51
  • Encephalomyelitis (chronic) (granulomatous) (myalgic, benign) (see also Encephalitis) 323.9
    • due to
      • cat-scratch disease 078.3 [323.01]
      • infectious mononucleosis 075 [323.01]
      • ornithosis 073.7 [323.01]
      • vaccination (any) 323.51
 323.0 ICD9Data.com 323.02 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 323.01 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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