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Diagnosis Code


Code Information

Diagnosis Code: A74.89

Short Description: Other chlamydial diseases

Long Description: Other chlamydial diseases

The code A74.89 is VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Other diseases caused by chlamydiae (A70-A74)
      • Other diseases caused by chlamydiae (A74)
        • A74.89 Other chlamydial diseases

Code Version: 2022 ICD-10-CM


  • Acute bacterial bronchitis
  • Acute chlamydial bronchitis
  • Chlamydial colitis
  • Chlamydial dermatological disorders
  • Chlamydial infection of the central nervous system
  • Colitis caused by Chlamydia trachomatis
  • Dacryoadenitis caused by Chlamydia trachomatis
  • Endocarditis due to Genus Chlamydia
  • Infection of lacrimal gland caused by bacterium
  • Intestinal Chlamydia trachomatis infection
  • Neonatal bacterial conjunctivitis
  • Neonatal chlamydial infection
  • Neonatal dacryocystitis or conjunctivitis due to chlamydiae

Diagnostic Related Group(s)

The code A74.89 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Viral Illness With Mcc (865)
  • Viral Illness Without Mcc (866)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
A74.89 Right Arrow 078.88 Oth spec dis chlamydiae

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
A74 Other diseases caused by chlamydiae
A74.0 Chlamydial conjunctivitis
A74.8 Other chlamydial diseases
A74.81 Chlamydial peritonitis
A74.9 Chlamydial infection, unspecified

This page was last updated on: 10/1/2023