A56.3 is the ICD-10 code for Chlamydial infection of anus and rectum. It is a four-character subcategory of A56 (Other sexually transmitted chlamydial diseases), the most specific level in the WHO edition. It belongs to the block A50–A64 (Infections with a predominantly sexual mode of transmission) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Subcategory (4 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
A56.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
A56.3Klamydiainfeksjon i endetarmsåpning, analkanal eller endetarm
DA563Klamydiainfektion i anus og rektum
A56.3Peräaukon ja peräsuolen klamydiainfektio
A56.3Chlamydieninfektion des Anus und des Rektums
A56.3Infection à Chlamydia de l'anus et du rectum
A56.3Chlamydia-infectie van anus en rectum
A56.3Chlamydial infection of anus and rectum
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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