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320.9 BACTERIAL MENINGITIS NOS


Code Information

Diagnosis Code: 320.9

Short Description: Bacterial meningitis NOS

Long Description: Meningitis due to unspecified bacterium

Code Classification:

  • Diseases of the nervous system (320–359)
    • Inflammatory diseases of the central nervous system (320-327)
      • 320 Bacterial meningitis
        • 320.9 Bacterial meningitis NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 320.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • meninges (see also Meningitis) 320.9
  • Infection, infected, infective (opportunistic) 136.9
    • brain (see also Encephalitis) 323.9
      • septic 324.0
        • meninges (see also Meningitis) 320.9
    • meninges (see also Meningitis) 320.9
  • Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
    • bacterial NEC 320.9
      • anaerobic 320.81
      • gram-negative 320.82
        • anaerobic 320.81
    • fibrinopurulent NEC 320.9
      • specified type NEC 320.89
    • gram-positive cocci NEC 320.9
    • infectious NEC 320.9
    • purulent NEC 320.9
      • specified organism NEC 320.89
    • pyogenic NEC 320.9
      • specified organism NEC 320.89
    • septic NEC 320.9
      • specified organism NEC 320.89
    • suppurative 320.9
      • specified organism NEC 320.89

Crosswalk Information

The code 320.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
320.9 Right Arrow G00.9 Bacterial meningitis, unspecified
G04.2 Bacterial meningoencephalitis and meningomyelitis, NEC
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
320.0 Hemophilus meningitis
320.1 Pneumococcal meningitis
320.2 Streptococcal meningitis
320.3 Staphylococcal meningitis
320.7 Meningitis in other bacterial diseases classified elsewhere
320.81 Anaerobic meningitis
320.82 Meningitis due to gram-negative bacteria, not elsewhere classified
320.89 Meningitis due to other specified bacteria

This page was last updated on: 10/1/2014

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