01Certain infectious or parasitic diseases
Other bacterial diseases
Other diseases due to chlamydiae
1C23Trachoma
1C23.0
category
Initial stage of trachoma
Definition This refers to the initial stage of an infectious disease caused by the Chlamydia trachomatis bacterium which produces a characteristic roughening of the inner surface of the eyelids.
Also indexed as
Initial stage of trachoma Trachoma dubium
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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