2024 ICD-10-CM Diagnosis Code A48.2

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Nonpneumonic Legionnaires’ disease [Pontiac fever]

  • A48.2 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 A48.2 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A48.2 – other international versions of ICD-10 A48.2 may differ.

The following code(s) above A48.2 contain annotation back-references

 that may be applicable to A48.2:

  • A00-B99  Certain infectious and parasitic diseases
  • A48  Other bacterial diseases, not elsewhere classified

Approximate Synonyms

  • Extrapulmonary legionella infection
  • Nonpneumonic legionnaires disease

ICD-10-CM A48.2 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 A48.2 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

Diagnosis Index entries containing back-references to A48.2: