G00.9
BillableBacterial meningitis, unspecified
Bacterial meningitis, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Meningitis due to gram-negative bacteria, unspecified
- Purulent meningitis NOS
- Pyogenic meningitis NOS
- Suppurative meningitis NOS
Includes
Conditions included under this code
- bacterial arachnoiditis
- bacterial leptomeningitis
- bacterial meningitis
- bacterial pachymeningitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(96)
SNOMED CT
- Pachymeningitis25822001
- BM - Bacterial meningitis95883001
- Bacterial meningitis95883001
- Meningitis, bacterial95883001
- Acute purulent meningitis109902004
- Infective meningitis312216007
- Bacterial meningitis caused by Gram-negative bacteria425887005
- Gram-negative bacterial meningitis425887005
- Meningitis with gram negative bacteria425887005
- Meningitis following operation698633001
- Postoperative meningitis698633001
- Postoperative bacterial meningitis698734003
- Aerobic gram-negative coccus meningitis721240006
- Meningitis caused by gram-negative aerobic coccus721240006
- Aerobic gram-negative bacillus meningitis721241005
- Meningitis caused by gram-negative aerobic bacillus721241005
- Meningitis following procedure722658006
- Post-procedural meningitis722658006
- Epilepsy due to infectious disease of central nervous system724549005
- Hypertrophic pachymeningitis due to infection762281000
- Pachymeningitis secondary to infection762281000
- Epilepsy due to infectious meningitis860806007
- Infectious meningitis epilepsy860806007
- Acute meningitis822031000000101
UMLS
- (non-specific) purulent meningitisC0865440
- Purulent meningitisC0865440
- Purulent meningitis NOSC0865440
- meningitis purulentC0865440
- purulent meningitisC0865440
- (non-specific) suppurative meningitisC0865441
- Suppurative meningitis NOSC0865441
- suppurative meningitisC0865441
- BACT MENINGITIDESC0085437
- BACT MENINGITISC0085437
- BM - Bacterial meningitisC0085437
- Bacterial MeningitidesC0085437
- Bacterial MeningitisC0085437
- Bacterial meningitisC0085437
- Bacterial meningitis (disorder)C0085437
- Bacterial meningitis, unspecifiedC0085437
- MENINGITIDES BACTC0085437
- MENINGITIS BACTC0085437
- Meningitides, BacterialC0085437
- Meningitis bacterialC0085437
- Meningitis bacterial NOSC0085437
- Meningitis due to unspecified bacteriumC0085437
- Meningitis, BacterialC0085437
- Meningitis, bacterialC0085437
- bacterial meningitidesC0085437
- bacterial meningitisC0085437
- Meningitis due to gram-negative bacteria, unspecifiedC2875013
- Pyogenic meningitisC0302869
- Pyogenic meningitis NOSC0302869
Clinical Terms
- Infectious meningitis epilepsy
- Hypertrophic pachymeningitis due to infection
- Aerobic gram-negative coccus meningitis
- Aerobic gram-negative bacillus meningitis
- Meningitis due to unspecified bacterium
- Pyogenic meningitis NOS
- Meningitis following operation
- Meningitis bacterial
- Epilepsy due to infectious meningitis
- Meningitis due to gram-negative bacteria, unspecified
- Gram-negative bacterial meningitis
- meningitis purulent
- Bacterial meningitis (disorder)
- (non-specific) purulent meningitis
- Meningitides, Bacterial
- Acute purulent meningitis
- Meningitis caused by gram-negative aerobic coccus
- BM - Bacterial meningitis
- Pachymeningitis
- BACT MENINGITIS
- Bacterial Meningitides
- Meningitis, Bacterial
- Suppurative meningitis NOS
- Acute meningitis
- suppurative meningitis
- MENINGITIS BACT
- MENINGITIDES BACT
- Post-procedural meningitis
- Purulent meningitis NOS
- purulent meningitis
- Meningitis with gram negative bacteria
- Bacterial meningitis caused by Gram-negative bacteria
- BACT MENINGITIDES
- Infective meningitis
- Postoperative bacterial meningitis
- Meningitis caused by gram-negative aerobic bacillus
- Meningitis bacterial NOS
- Postoperative meningitis
- Meningitis following procedure
- Pyogenic meningitis
- Pachymeningitis secondary to infection
- Epilepsy due to infectious disease of central nervous system
- (non-specific) suppurative meningitis
Frequently Asked Questions
What is the ICD-10 code for bacterial meningitis, unspecified?
The ICD-10-CM code for bacterial meningitis, unspecified is G00.9. The full clinical description is "Bacterial meningitis, unspecified". G00.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G00.9 mean?
ICD-10-CM code G00.9 represents “Bacterial meningitis, unspecified”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G00.9 a billable code?
Yes, G00.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G00.9 in?
G00.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G00.9?
G00.9 has Excludes1 notes indicating codes that cannot be used together with it, including: bacterial meningoencephalitis (G04.2); bacterial meningomyelitis (G04.2).
What SNOMED CT codes does G00.9 map to?
G00.9 maps to 14 SNOMED CT concepts: 822031000000101, 109902004, 721241005, 721240006, 95883001, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G00.9?
G00.9 is linked to 5 UMLS Concept Unique Identifiers: C0865440, C0865441, C0085437, C2875013, C0302869. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G00.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like bacterial meningitis, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G00.9?
G00.9 maps to the ICD-11 code: 1D01.0Z (Bacterial meningitis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.