2024 ICD-10-CM Diagnosis Code A23

by

Brucellosis

  • A23 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM A23 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A23 – other international versions of ICD-10 A23 may differ.

Includes

  • Malta fever
  • Mediterranean fever
  • undulant fever

The following code(s) above A23 contain annotation back-references

 that may be applicable to A23:

  • A00-B99  Certain infectious and parasitic diseases

Clinical Information

  • A gram negative bacterial infection caused by bacteria of the genus brucella. Humans are infected by ingesting unpasteurized milk or meat from infected animals. Signs and symptoms include fevers, sweating, weakness, headache, muscle pain, arthritis and anemia.
  • Infection caused by bacteria of the genus brucella mainly involving the mononuclear phagocyte system. This condition is characterized by fever, weakness, malaise, and weight loss.

Code 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 A23:

  • Code First: M49