2024 ICD-10-CM Diagnosis Code A69.21

by

Meningitis due to Lyme disease

  • A69.21 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 A69.21 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A69.21 – other international versions of ICD-10 A69.21 may differ.

The following code(s) above A69.21 contain annotation back-references

 that may be applicable to A69.21:

  • A00-B99  Certain infectious and parasitic diseases
  • A65-A69  Other spirochetal diseases
  • A69.2  Lyme disease

Approximate Synonyms

  • Meningitis in lyme disease

ICD-10-CM A69.21 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert A69.21 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 A69.21:

  • Type 1 Excludes: G01

Diagnosis Index entries containing back-references to A69.21:

  • 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)
      • Lyme disease A69.21