Diagnosis Code


Code Information

Diagnosis Code: A70

Short Description: Chlamydia psittaci infections

Long Description: Chlamydia psittaci infections

The code A70 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Other diseases caused by chlamydiae (A70-A74)
      • Chlamydia psittaci infections (A70)
        • A70 Chlamydia psittaci infections

Code Version: 2020 ICD-10-CM


  • Exanthem caused by Chlamydophila psittaci
  • Ornithosis
  • Ornithosis with complication
  • Ornithosis with pneumonia

Diagnostic Related Group(s)

The code A70 is grouped in the following Diagnostic Related Group(s) (MS-DRG v37.0)
  • Viral Illness With Mcc (865)
  • Viral Illness Without Mcc (866)

References to Index of Diseases and Injuries

The code A70 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Ornithosis
    • Parrot fever
    • Psittacosis

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A70 Right Arrow 073.9 Ornithosis NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description

This page was last updated on: 10/1/2019