2018 ICD-10-CM Diagnosis Code G00.9

Bacterial meningitis, unspecified

Applicable To
  • Meningitis due to gram-negative bacteria, unspecified
  • Purulent meningitis NOS
  • Pyogenic meningitis NOS
  • Suppurative meningitis NOS
The following code(s) above G00.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G00.9:
  • G00-G99
    2018 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the nervous system
  • G00
    ICD-10-CM Diagnosis Code G00

    Bacterial meningitis, not elsewhere classified

      2016 2017 2018 Non-Billable/Non-Specific Code
    • bacterial arachnoiditis
    • bacterial leptomeningitis
    • bacterial meningitis
    • bacterial pachymeningitis
    Type 1 Excludes
    • bacterial meningoencephalitis (G04.2)
    • bacterial meningomyelitis (G04.2)
    Bacterial meningitis, not elsewhere classified
Approximate Synonyms Clinical Information ICD-10-CM G00.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert G00.9 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to G00.9:

ICD-10-CM Codes Adjacent To G00.9
F98.5 Adult onset fluency disorder
F98.8 Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
F98.9 Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
F99 Mental disorder, not otherwise specified
G00 Bacterial meningitis, not elsewhere classified
G00.0 Hemophilus meningitis
G00.1 Pneumococcal meningitis
G00.2 Streptococcal meningitis
G00.3 Staphylococcal meningitis
G00.8 Other bacterial meningitis
G00.9 Bacterial meningitis, unspecified
G01 Meningitis in bacterial diseases classified elsewhere
G02 Meningitis in other infectious and parasitic diseases classified elsewhere
G03 Meningitis due to other and unspecified causes
G03.0 Nonpyogenic meningitis
G03.1 Chronic meningitis
G03.2 Benign recurrent meningitis [Mollaret]
G03.8 Meningitis due to other specified causes
G03.9 Meningitis, unspecified
G04 Encephalitis, myelitis and encephalomyelitis
G04.0 Acute disseminated encephalitis and encephalomyelitis (ADEM)

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.