2024 ICD-10-CM Diagnosis Code A70

by

Chlamydia psittaci infections

  • A70 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 A70 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A70 – other international versions of ICD-10 A70 may differ.

Applicable To

  • Ornithosis
  • Parrot fever
  • Psittacosis

The following code(s) above A70 contain annotation back-references

 that may be applicable to A70:

  • A00-B99  Certain infectious and parasitic diseases
  • A70-A74  Other diseases caused by chlamydiae

Approximate Synonyms

  • Ornithosis
  • Psittacosis

Clinical Information

  • A bacterial infection caused by chlamydia psittaci. Humans are infected by handling sick birds. The chlamydia cause respiratory infection manifested with fever, malaise, cough, dyspnea, sore throat, photophobia and headaches.
  • Infection with chlamydophila psittaci (formerly chlamydia psittaci), transmitted to humans by inhalation of dust-borne contaminated nasal secretions or excreta of infected birds. This infection results in a febrile illness characterized by pneumonitis and systemic manifestations.

ICD-10-CM A70 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert A70 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 A70:

  • Type 1 Excludes: J16

Diagnosis Index entries containing back-references to A70: