2024 ICD-10-CM Diagnosis Code A27.81

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Aseptic meningitis in leptospirosis

  • A27.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A27.81 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A27.81 – other international versions of ICD-10 A27.81 may differ.

The following code(s) above A27.81 contain annotation back-references

 that may be applicable to A27.81:

  • A00-B99  Certain infectious and parasitic diseases

Approximate Synonyms

  • Aseptic leptospiral meningitis

ICD-10-CM A27.81 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 023 Craniotomy with major device implant or acute complex cns principal diagnosis with mcc or chemotherapy implant or epilepsy with neurostimulator
  • 024 Craniotomy with major device implant or acute complex cns principal diagnosis without mcc
  • 097 Non-bacterial infection of nervous system except viral meningitis with mcc
  • 098 Non-bacterial infection of nervous system except viral meningitis with cc
  • 099 Non-bacterial infection of nervous system except viral meningitis without cc/mcc

Convert A27.81 to ICD-9-CMCode History

  • 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
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to A27.81:

  • Type 1 Excludes: G01

Diagnosis Index entries containing back-references to A27.81:

  • Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
    • in (due to)
      • leptospirosis A27.81
    • leptospiral A27.81 (aseptic)