Diagnosis Code: 322.9

Short Description: Meningitis NOS

Long Description: Meningitis, unspecified

Code Classification:

• Diseases of the nervous system (320–359)
  • Inflammatory diseases of the central nervous system (320-327)
    • 322 Meningitis of unspecified cause
      • 322.9 Meningitis NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 322.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Arachnoiditis (acute) (adhesive) (basic) (brain) (cerebrospinal) (chiasmal) (chronic) (spinal) (see also Meningitis) 322.9
  • meningococcal (chronic) 036.0
  • syphilitic 094.2
  • tuberculous (see also Tuberculosis, meninges) 013.0

• Effusion
  • cerebrospinal (see also Meningitis) 322.9
    • vessel 348.5
  • meninges (see also Meningitis) 322.9
  • spinal (see also Meningitis) 322.9

• Ependymitis (acute) (cerebral) (chronic) (granular) (see also Meningitis) 322.9

• Infection, infected, infective (opportunistic) 136.9
  • brain (see also Encephalitis) 323.9
    • membranes - (see also Meningitis) 322.9
  • cerebrospinal (see also Meningitis) 322.9
    • late effect - see category 326

• Inflammation, inflamed, inflammatory (with exudation)
  • cerebrospinal (see also Meningitis) 322.9
    • late effect - see category 326
    • meningococcal 036.0
    • tuberculous (see also Tuberculosis) 013.6

• Leptomeningitis (chronic) (circumscribed) (hemorrhagic) (nonsuppurative) (see also Meningitis) 322.9
  • aseptic 047.9
    • adenovirus 049.1
    • Coxsackie virus 047.0
    • ECHO virus 047.1
    • enterovirus 047.9
    • lymphocytic choriomeningitis 049.0
  • epidemic 036.0
  • late effect - see category 326
  • meningococcal 036.0
  • pneumococcal 320.1
  • syphilitic 094.2
  • tuberculous (see also Tuberculosis, meninges) 013.0

• Leptomeningopathy (see also Meningitis) 322.9

• Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
  • abacterial NEC (see also Meningitis, aseptic) 047.9
  • actinomycotic 039.8 [320.7]
  • adenoviral 049.1
  • aerobacter aerogenes 320.82
  • anaerobes (cocci) (gram-negative) (gram-positive) (mixed) (NEC) 320.81
  • arbovirus NEC 066.9 [321.2]
    • specified type NEC 066.8 [321.2]
  • aseptic (acute) NEC 047.9
    • adenovirus 049.1
    • Coxsackie virus 047.0
    • due to
      • adenovirus 049.1
      • Coxsackie virus 047.0
      • ECHO virus 047.1
      • enterovirus 047.9
      • mumps 072.1
      • poliovirus (see also Poliomyelitis) 045.2 [321.2]
    • ECHO virus 047.1
    • herpes (simplex) virus 054.72
      • zoster 053.0
    • leptospiral 100.81
    • lymphocytic choriomeningitis 049.0
    • noninfective 322.0
  • Bacillus pyocyaneus 320.89
  • bacterial NEC 320.9
    • anaerobic 320.81
    • gram-negative 320.82
      • anaerobic 320.81
  • Bacteroides (fragilis) (oralis) (melaninogenicus) 320.81
  • cancerous (M8000/6) 198.4
  • candidal 112.83
  • carcinomatous (M8010/6) 198.4
  • caseous (see also Tuberculosis, meninges) 013.0
  • cerebrospinal (acute) (chronic) (diplococcal) (endemic) (epidemic) (fulminant) (infectious) (malignant) (meningococcal) (sporadic) 036.0
    • carrier (suspected) of V02.59
  • chronic NEC 322.2
  • clear cerebrospinal fluid NEC 322.0
  • Clostridium (haemolyticum) (novyi) NEC 320.81
  • coccidioidomycosis 114.2
  • Coxsackie virus 047.0
  • cryptococcal 117.5 [321.0]
  • diplococcal 036.0
    • gram-negative 036.0
    • gram-positive 320.1
  • Diplococcus pneumoniae 320.1
  • due to
    • actinomycosis 039.8 [320.7]
    • adenovirus 049.1
    • coccidiomycosis 114.2
    • enterovirus 047.9
      • specified NEC 047.8
    • histoplasmosis (see also Histoplasmosis) 115.91
    • Listerosis 027.0 [320.7]
    • Lyme disease 088.81 [320.7]
    • moniliasis 112.83
    • mumps 072.1
    • neurosyphilis 094.2
    • nonbacterial organisms NEC 321.8
    • oidiomycosis 112.83
    • poliovirus (see also Poliomyelitis) 045.2 [321.2]
    • preventive immunization, inoculation, or vaccination 997.09 [321.8]
    • sarcoidosis 135 [321.4]
    • sporotrichosis 117.1 [321.1]
    • syphilis 094.2
      • acute 091.81
      • congenital 090.42
      • secondary 091.81
    • trypanosomiasis (see also Trypanosomiasis) 086.9 [321.3]
    • whooping cough 033.9 [320.7]
  • E. coli 320.82
  • ECHO virus 047.1
  • endothelial-leukocytic, benign, recurrent 047.9
  • Enterobacter aerogenes 320.82
  • enteroviral 047.9
    • specified type NEC 047.8
  • enterovirus 047.9
    • specified NEC 047.8
  • eosinophilic 322.1
  • epidemic NEC 036.0
  • Escherichia coli (E. coli) 320.82
  • Eubacterium 320.81
  • fibrinopurulent NEC 320.9
    • specified type NEC 320.89
  • Friedl�nder (bacillus) 320.82
  • fungal NEC 117.9 [321.1]
  • Fusobacterium 320.81
  • gonococcal 098.82
  • gram-negative bacteria NEC 320.82
    • anaerobic 320.81
    • cocci 036.0
      • specified NEC 320.82
  • gram-negative cocci NEC 036.0
    • specified NEC 320.82
  • gram-positive cocci NEC 320.9
  • H. influenzae 320.0
  • herpes (simplex) virus 054.72
    • zoster 053.0
  • infectious NEC 320.9
  • influenzal 320.0
  • Klebsiella pneumoniae 320.82
  • late effect - see Late, effect, meningitis
  • leptospiral (aseptic) 100.81
  • Listerella (monocytogenes) 027.0 [320.7]
  • Listeria monocytogenes 027.0 [320.7]
  • lymphocytic (acute) (benign) (serous) 049.0
    • choriomeningitis virus 049.0
  • meningococcal (chronic) 036.0
  • Mima polymorpha 320.82
  • Mollaret's 047.9
  • monilial 112.83
  • mumps (virus) 072.1
  • mycotic NEC 117.9 [321.1]
  • Neisseria 036.0
  • neurosyphilis 094.2
  • nonbacterial NEC (see also Meningitis, aseptic) 047.9
  • nonpyogenic NEC 322.0
  • oidiomycosis 112.83
  • ossificans 349.2
  • Peptococcus 320.81
  • PeptoStreptococcus 320.81
  • pneumococcal 320.1
  • poliovirus (see also Poliomyelitis) 045.2 [321.2]
  • Proprionibacterium 320.81
  • Proteus morganii 320.82
  • Pseudomonas (aeruginosa) (pyocyaneus) 320.82
  • purulent NEC 320.9
    • specified organism NEC 320.89
  • pyogenic NEC 320.9
    • specified organism NEC 320.89
  • Salmonella 003.21
  • septic NEC 320.9
    • specified organism NEC 320.89
  • serosa circumscripta NEC 322.0
  • serous NEC (see also Meningitis, aseptic) 047.9
    • lymphocytic 049.0
    • syndrome 348.2
  • Serratia (marcescens) 320.82
  • specified organism NEC 320.89
  • sporadic cerebrospinal 036.0
  • sporotrichosis 117.1 [321.1]
  • staphylococcal 320.3
  • sterile 997.09
  • streptococcal (acute) 320.2
  • suppurative 320.9
    • specified organism NEC 320.89
  • syphilitic 094.2
    • acute 091.81
    • congenital 090.42
    • secondary 091.81
  • torula 117.5 [321.0]
  • traumatic (complication of injury) 958.8
  • Treponema (denticola) (macrodenticum) 320.81
  • trypanosomiasis 086.1 [321.3]
  • tuberculous (see also Tuberculosis, meninges) 013.0
  • typhoid 002.0 [320.7]
  • Veillonella 320.81
  • Vibrio vulnificus 320.82
  • viral, virus NEC (see also Meningitis, aseptic) 047.9
  • Wallgren's (see also Meningitis, aseptic) 047.9

• Pachymeningitis (adhesive) (basal) (brain) (cerebral) (cervical) (chronic) (circumscribed) (external) (fibrous) (hemorrhagic) (hypertrophic) (internal) (purulent) (spinal) (suppurative) (see also Meningitis) 322.9
  • gonococcal 098.82

• Ventriculitis, cerebral (see also Meningitis) 322.9

Crosswalk Information

The code 322.9 converts into the following ICD-10 code(s):

Similar Codes

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

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