A74.9 is the ICD-10 code for Chlamydial infection, unspecified. It is a four-character subcategory of A74 (Other diseases caused by chlamydiae), the most specific level in the WHO edition. It belongs to the block A70–A74 (Other diseases caused by chlamydiae) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Subcategory (4 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What A74.9 includes
Conditions and terms that are coded here.
- Chlamydiosis NOS
A74.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
A74.9Uspesifisert klamydiainfeksjon
DA749Klamydia-infektion UNS
A74.9Määrittämätön klamydiainfektio
A74.9Chlamydieninfektion, nicht näher bezeichnet
A74.9Infection à Chlamydia, sans précision
A74.9Chlamydia-infectie, niet-gespecificeerd
A74.9Chlamydial infection, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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