G03.9
BillableMeningitis, unspecified
Meningitis, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Arachnoiditis (spinal) NOS
Includes
Conditions included under this code
- arachnoiditis NOS
- leptomeningitis NOS
- meningitis NOS
- pachymeningitis NOS
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(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(101)
SNOMED CT
- Meningitis7180009
- Arachnoiditis8217007
- Adhesive arachnoiditis13980006
- Pachymeningitis25822001
- Decreased flexion46575009
- Leptomeningitis66074005
- Meningomyelitis74772000
- Non-infective meningitis230155003
- Carcinomatous meningitis230156002
- Malignant meningitis230156002
- Meningeal carcinomatosis230156002
- Neoplastic meningitis230156002
- Neonatal meningitis276674008
- Spinal effusion298156003
- Sequelae of meningitis404188001
- Nuchal rigidity405947006
- Nuchal rigidity due to meningitis405948001
- Haemorrhagic meningitis409501004
- Hemorrhagic meningitis409501004
- Spinal arachnoiditis426055002
- Meningitis following operation698633001
- Postoperative meningitis698633001
- Post-traumatic meningitis698782009
- Posttraumatic meningitis698782009
- Subdural effusion713861002
- Meningitis following procedure722658006
- Post-procedural meningitis722658006
- Metastatic malignant neoplasm of meninges722671009
- Idiopathic hypertrophic pachymeningitis762282007
- IgG4-related pachymeningitis762282007
- Immunoglobulin G4 related pachymeningitis762282007
- Chronic bilateral vestibulopathy after meningitis838381003
- Chronic bilateral vestibulopathy due to and following meningitis838381003
- Acute meningitis822031000000101
- Basilar meningitis429741000124103
- Tubular meningitis429741000124103
- IgG4 related disease10743271000119103
- Immunoglobulin G4 related disease10743271000119103
- Immunoglobulin G4 related systemic disease10743271000119103
UMLS
- Arachnoiditis (spinal) NOSC1710146
- Familial spinal arachnoiditisC1710146
- SPINAL ARACHNOIDITISC1710146
- Spinal ArachnoiditisC1710146
- Spinal arachnoiditisC1710146
- Spinal arachnoiditis (disorder)C1710146
- Spinal tuberculous arachnoiditisC1710146
- MeningitidesC0025289
- MeningitisC0025289
- Meningitis (disorder)C0025289
- Meningitis NOSC0025289
- Meningitis of unspecified causeC0025289
- Meningitis, unspecifiedC0025289
- meningitidesC0025289
- meningitisC0025289
- meningitis NOSC0025289
Clinical Terms
- Spinal arachnoiditis
- Meningomyelitis
- Hemorrhagic meningitis
- Neonatal meningitis
- Nuchal rigidity due to meningitis
- Meningitis following operation
- Chronic bilateral vestibulopathy after meningitis
- Meningitides
- Leptomeningitis
- meningitis NOS
- Meningitis (disorder)
- Non-infective meningitis
- IgG4-related pachymeningitis
- Arachnoiditis
- Immunoglobulin G4 related pachymeningitis
- Meningitis of unspecified cause
- Chronic bilateral vestibulopathy due to and following meningitis
- Idiopathic hypertrophic pachymeningitis
- Pachymeningitis
- Familial spinal arachnoiditis
- Nuchal rigidity
- Adhesive arachnoiditis
- Acute meningitis
- Decreased flexion
- Malignant meningitis
- Post-procedural meningitis
- Subdural effusion
- Carcinomatous meningitis
- Spinal arachnoiditis (disorder)
- IgG4 related disease
- Immunoglobulin G4 related systemic disease
- Posttraumatic meningitis
- Tubular meningitis
- Basilar meningitis
- Haemorrhagic meningitis
- Meningeal carcinomatosis
- Spinal effusion
- Spinal tuberculous arachnoiditis
- Arachnoiditis (spinal) NOS
- Metastatic malignant neoplasm of meninges
- Postoperative meningitis
- Neoplastic meningitis
- Meningitis following procedure
- Sequelae of meningitis
- Post-traumatic meningitis
- Immunoglobulin G4 related disease
Frequently Asked Questions
What is the ICD-10 code for meningitis, unspecified?
The ICD-10-CM code for meningitis, unspecified is G03.9. The full clinical description is "Meningitis, unspecified". G03.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G03.9 mean?
ICD-10-CM code G03.9 represents “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 G03.9 a billable code?
Yes, G03.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G03.9 in?
G03.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G03.9?
G03.9 has Excludes1 notes indicating codes that cannot be used together with it, including: meningoencephalitis (G04.-); meningomyelitis (G04.-).
What SNOMED CT codes does G03.9 map to?
G03.9 maps to 26 SNOMED CT concepts: 822031000000101, 13980006, 8217007, 429741000124103, 230156002, and 21 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G03.9?
G03.9 is linked to 2 UMLS Concept Unique Identifiers: C1710146, C0025289. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G03.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like 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 G03.9?
G03.9 maps to the ICD-11 code: 8E40.Z (Disorders of the meninges excluding infection, 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.