Specific code 2009 ICD-9-CM Diagnosis Code 321.2
Meningitis due to viruses not elsewhere classified
  • Short description: MENING IN OTH VIRAL DIS.
  • ICD-9-CM 321.2 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 321.2 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 2009 version of ICD-9-CM 321.2.
  • More recent version(s) of ICD-9-CM 321.2: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 321.2 converts approximately to:
  • 2015/16 ICD-10-CM G02 Meningitis in other infectious and parasitic diseases classified elsewhere
Approximate Synonyms
  • Arbovirus meningitis
  • Cmv mononucleosis w meningitis
  • Cytomegalovirus (CMV) mononucleosis with meningitis
  • Gamma herpes mononucleosis w meningitis
  • Gamma herpes mononucleosis with meningitis
  • Gammaherpesviral mononucleosis with meningitis
  • Meningitis due to arbovirus infection
  • Meningitis due to cytomegaloviral mononucleosis
  • Meningitis due to infectious mononucleosis
321.2 Excludes
Code First
  • Code first underlying disease, as:
ICD-9-CM Volume 2 Index entries containing back-references to 321.2:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 321.2 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.