Specific code 2010 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 2010 version of ICD-9-CM 323.01.
  • More recent version(s) of ICD-9-CM 323.01: 2011 2012 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
  • 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
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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.