1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. A30-A49 Other bacterial diseases
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4. A39- Meningococcal infection
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5. 2022 ICD-10-CM Diagnosis Code A39.9

2022 ICD-10-CM Diagnosis Code A39.9

Meningococcal infection, unspecified

2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code

• A39.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2022 edition of ICD-10-CM A39.9 became effective on October 1, 2021.
• This is the American ICD-10-CM version of A39.9 - other international versions of ICD-10 A39.9 may differ.

• Meningococcal infection
• Meningococcal infectious disease

• Infections with bacteria of the species neisseria meningitidis.
• Meningococci are a type of bacteria that cause serious infections. The most frequent is meningitis, which is an inflammation of the thin tissue that surrounds the brain and spinal cord. Meningococci can also cause other problems, including a serious bloodstream infection called sepsis.meningococcal infections can be spread from person to person. They are common in people living in close quarters, such as college students or military recruits.in its early stages, you may have flu-like symptoms and a stiff neck. But the disease can progress quickly and can be fatal. Early diagnosis and treatment are extremely important. Treatment is with antibiotics. Since the infection spreads from person to person, family members may also need to be treated.a vaccine can prevent meningococcal infections.

• 870 Septicemia or severe sepsis with mv >96 hours
• 871 Septicemia or severe sepsis without mv >96 hours with mcc
• 872 Septicemia or severe sepsis without mv >96 hours without mcc

Convert A39.9 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change

• Type 1 Excludes: A49
  ICD-10-CM Diagnosis Code A49

  Bacterial infection of unspecified site

  2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code

  Type 1 Excludes

  • bacterial agents as the cause of diseases classified elsewhere (B95-B96)
  • chlamydial infection NOS (A74.9)
  • meningococcal infection NOS (A39.9)
  • rickettsial infection NOS (A79.9)
  • spirochetal infection NOS (A69.9)

• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
  • meningococcal A39.9 - see also condition
  • parameningococcus NOS A39.9
• Meningococcus, meningococcal A39.9 - see also condition

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