03Diseases of the blood or blood-forming organs
Coagulation defects, purpura or other haemorrhagic or related conditions
3B64
category
Thrombocytopenia
Definition This disease is characterised by decreased levels of platelets within the blood. This disease may present with increased bruising or haemorrhaging. Confirmation is by identification of decreased platelet count in a blood sample.
Nearby in Coagulation defects, purpura or other haemorrhagic or related conditions
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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