Specific code 2014 ICD-9-CM Diagnosis Code 049.0
Lymphocytic choriomeningitis
  • Billable Code
  • Short description: Lymphocytic choriomening.
  • ICD-9-CM 049.0 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 049.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Chronic benign lymphocytic meningitis
  • Chronic lymphocytic meningitis
  • Lymphocytic choriomeningitis virus encephalomyelitis
  • Lymphocytic meningitis
  • Lymphocytic meningoencephalitis
Applies To
  • Lymphocytic:
    • meningitis (serous) (benign)
    • meningoencephalitis (serous) (benign)
Convert to ICD-10-CM: 049.0 converts directly to:
  • 2014 ICD-10-CM A87.2 Lymphocytic choriomeningitis
ICD-9-CM Volume 2 Index entries containing back-references to 049.0:
  • Chorioencephalitis, lymphocytic (acute) (serous) 049.0
  • Choriomeningitis (acute) (benign) (lymphocytic) (serous) 049.0
  • Encephalitis (bacterial) (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) 323.9
    • lymphatica 049.0
  • Leptomeningitis (chronic) (circumscribed) (hemorrhagic) (nonsuppurative) (see also Meningitis) 322.9
  • Lymphocytic - see also condition
    • chorioencephalitis (acute) (serous) 049.0
    • choriomeningitis (acute) (serous) 049.0
  • Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
    • lymphocytic (acute) (benign) (serous) 049.0
      • choriomeningitis virus 049.0
    • serous NEC (see also Meningitis, aseptic) 047.9
      • lymphocytic 049.0
      • syndrome 348.2
  • Meningoencephalitis (see also Encephalitis) 323.9
    • lymphocytic (serous) 049.0
    • serous 048
      • lymphocytic 049.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 049.0 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.