14Diseases of the skin Skin disorders involving specific cutaneous structures Disorders of cutaneous blood or lymphatic vessels Purpura or bruising
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Purpura due to disorders of platelets
Definition Purpura due to thrombocytopenia, of which there are many causes, or to defective platelet function. Paradoxically increased platelet production can result in purpura as in essential thrombocythaemia.
Nearby in Purpura or bruising
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.
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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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