Home > 2015 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 2015 ICD-9-CM Diagnosis Code 323.1
Encephalitis, myelitis, and encephalomyelitis in rickettsial diseases classified elsewhere
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015
  • Manifestation Code

  • ICD-9-CM 323.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 323.1 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: 323.1 converts approximately to:
  • 2015/16 ICD-10-CM G05.3 Encephalitis and encephalomyelitis in diseases classified elsewhere
Code First
  • Code first underlying disease (080-083.9)
ICD-9-CM Coding Information
  • 323.1 describes the manifestation of an underlying disease, not the disease itself.
ICD-9-CM Volume 2 Index entries containing back-references to 323.1:
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
 323.02 ICD9Data.com 323.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 323.1 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.
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