Dermatoses attributable to hyperviscosity or microvascular occlusion

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

A range of disorders characterised by vascular occlusion but attributable not to primary vascular inflammation but to intravascular occlusion.

code elsewhere

• Thrombotic thrombocytopenic purpura  (3B64.14)
• Antiphospholipid syndrome  (4A45)
• Disseminated intravascular coagulation  (3B20)
• Cryoglobulinaemic vasculitis  (4A44.90)

sections/codes in this section (EF50-EF5Y)

• Livedoid vasculopathy  (EF50)
• Other specified dermatoses attributable to hyperviscosity or microvascular occlusion  (EF5Y)

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