K64.5 is the ICD-10 code for Perianal venous thrombosis. It is a four-character subcategory of K64 (Haemorrhoids and perianal venous thrombosis), the most specific level in the WHO edition. It belongs to the block K55–K64 (Other diseases of intestines) in Chapter XI, Diseases of the digestive system.
- Code type
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K64.5 includes
Conditions and terms that are coded here.
- Perianal haematoma
K64.5 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K64.5Perianal venøs trombose
DK645Perianalt hæmatom
K64.5Peräaukonviereinen laskimotukos
K64.5Perianalvenenthrombose
K64.5Thrombose veineuse périanale
K64.5perianale veneuze trombose
K64.5Perianal venous thrombosis
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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