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 > Bacterial meningitis 320-
Specific code 2015 ICD-9-CM Diagnosis Code 320.82
Meningitis due to gram-negative bacteria, not elsewhere classified
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 320.82 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 320.82 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: 320.82 converts approximately to:
  • 2015/16 ICD-10-CM G00.9 Bacterial meningitis, unspecified
Approximate Synonyms
  • Bacterial meningitis due to Gram-negative bacteria
  • Meningitis due to bacillus pyocyaneus
  • Meningitis due to Friedlander bacillus
  • Meningitis due to Klebsiella mobilis
  • Meningitis due to pertussis
  • Meningitis w gram negative bacteria
  • Meningitis with gram negative bacteria
  • Morganella morganii meningitis
  • Pseudomonas meningitis
320.82 Excludes
  • gram-negative anaerobes (320.81)
Applies To
  • Aerobacter aerogenes
  • Escherichia coli [E. coli]
  • Friedlander bacillus
  • Klebsiella pneumoniae
  • Proteus morganii
  • Pseudomonas
ICD-9-CM Volume 2 Index entries containing back-references to 320.82:
  • Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
    • aerobacter aerogenes 320.82
    • E. coli 320.82
    • Enterobacter aerogenes 320.82
    • Escherichia coli (E. coli) 320.82
    • Friedländer (bacillus) 320.82
    • gram-negative bacteria NEC 320.82
    • gram-negative cocci NEC 036.0
      • specified NEC 320.82
    • Klebsiella pneumoniae 320.82
    • Mima polymorpha 320.82
    • Proteus morganii 320.82
    • Pseudomonas (aeruginosa) (pyocyaneus) 320.82
    • Serratia (marcescens) 320.82
    • Vibrio vulnificus 320.82
 320.81 ICD9Data.com 320.89 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 320.82 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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