U.S. ICD-10-CM reference · FY2026 · April
Fast ICD-10-CM Hub
Get updates
A74Category · further specificity requiredArchived

Other diseases caused by chlamydiae

HierarchyA70-A74 · A74

Code-level instructions

Excludes 1
  • neonatal chlamydial conjunctivitis (P39.1)
  • neonatal chlamydial pneumonia (P23.1)
  • Reiter's disease (M02.3-)
  • sexually transmitted chlamydial diseases (A55-A56)
Excludes 2

chlamydial pneumonia (J16.0)

Inherited instructions

Chapters 1 · Certain infectious and parasitic diseases (A00-B99)

Includes

diseases generally recognized as communicable or transmissible

Excludes 1

certain localized infections - see body system-related chapters

Excludes 2
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use additional code

code to identify resistance to antimicrobial drugs (Z16.-)

A70-A74 · Other diseases caused by chlamydiae (A70-A74)

Excludes 1

sexually transmitted chlamydial diseases (A55-A56)

More specific codes

A74.0Chlamydial conjunctivitisBillable / specificA74.8Other chlamydial diseasesCategory · further specificity requiredA74.9Chlamydial infection, unspecifiedBillable / specific
Code edition