A39.9
BillableMeningococcal infection, unspecified
Meningococcal infection, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Meningococcal disease NOS
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Related Codes(7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(54)
SNOMED CT
- Infection due to Neisseria meningitidis23511006
- Meningococcal disease23511006
- Meningococcal infection23511006
- Meningococcal infectious disease23511006
- Invasive meningococcal disease707225006
- Meningococcal disease, invasive707225006
- Meningococcal invasive disease707225006
- Meningococcal infectious disease caused by Neisseria meningitidis serogroup B1354584007
- Neisseria meningitidis serogroup B infection1354584007
- Sepsis caused by Meningococcus127311000119106
- Severe sepsis with acute organ dysfunction caused by Meningococcus127311000119106
UMLS
- INFECT MENINGOCOCCALC0025303
- Infection due to Neisseria meningitidisC0025303
- Infection, MeningococcalC0025303
- Infections, MeningococcalC0025303
- MENINGOCOCCAL INFECTC0025303
- Meningococcal DiseaseC0025303
- Meningococcal DiseasesC0025303
- Meningococcal InfectionC0025303
- Meningococcal InfectionsC0025303
- Meningococcal diseaseC0025303
- Meningococcal disease NOSC0025303
- Meningococcal infectionC0025303
- Meningococcal infection, unspecifiedC0025303
- Meningococcal infectious diseaseC0025303
- Meningococcal infectious disease (disorder)C0025303
- Neisseria meningitidis infection NOSC0025303
- Unspecified meningococcal infectionC0025303
- disease meningococcalC0025303
- meningococcal diseaseC0025303
- meningococcal diseasesC0025303
- meningococcal infectionC0025303
- meningococcal infectionsC0025303
Clinical Terms
- meningococcal diseases
- Meningococcal Disease
- Meningococcal infectious disease (disorder)
- Meningococcal invasive disease
- meningococcal infections
- Neisseria meningitidis serogroup B infection
- Meningococcal infectious disease
- Invasive meningococcal disease
- Severe sepsis with acute organ dysfunction caused by Meningococcus
- Infection, Meningococcal
- Infection due to Neisseria meningitidis
- disease meningococcal
- MENINGOCOCCAL INFECT
- Neisseria meningitidis infection NOS
- Unspecified meningococcal infection
- Sepsis caused by Meningococcus
- INFECT MENINGOCOCCAL
- Infections, Meningococcal
- Meningococcal infectious disease caused by Neisseria meningitidis serogroup B
- Meningococcal disease, invasive
- Meningococcal disease NOS
Frequently Asked Questions
What is the ICD-10 code for meningococcal infection, unspecified?
The ICD-10-CM code for meningococcal infection, unspecified is A39.9. The full clinical description is "Meningococcal infection, unspecified". A39.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A39.9 mean?
ICD-10-CM code A39.9 represents “Meningococcal infection, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A39.9 a billable code?
Yes, A39.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A39.9 in?
A39.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A39.9?
A39.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with A39.9?
Yes, when using A39.9, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A39.9 map to?
A39.9 maps to 4 SNOMED CT concepts: 23511006, 707225006, 1354584007, 127311000119106. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A39.9?
A39.9 is linked to 1 UMLS Concept Unique Identifier: C0025303. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A39.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like meningococcal infection, 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 A39.9?
A39.9 maps to the ICD-11 code: 1C1C.Z (Meningococcal disease, 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.