ICD-10-CM A74: Other diseases caused by chlamydiae

ICD-10-CM Diagnosis Code (2025)

Official Description for A74

Other diseases caused by chlamydiae

Coding Notes & Guidelines for A74

Excludes1: Not Coded Here
  • neonatal chlamydial conjunctivitis (P39.1)
  • neonatal chlamydial pneumonia (P23.1)
  • Reiter's disease (M02.3-)
  • sexually transmitted chlamydial diseases (A55-A56)
Excludes2: Not Included Here

chlamydial pneumonia (J16.0)

Inclusion Terms

Paratrachoma

Inclusion Terms

Chlamydiosis NOS

Child Codes (More Specific Codes for A74):

About ICD-10-CM Code A74 (Other diseases caused by chlamydiae)

ICD-10-CM code A74 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A74 became effective on October 1, 2024.

This page provides detailed information about A74 - Other diseases caused by chlamydiae. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other diseases caused by chlamydiae.