hyperprothrombinemia

noun
hy·​per·​pro·​throm·​bin·​emia
variants: or chiefly British hyperprothrombinaemia \ -​prō-​ˌthräm-​bə-​ˈnē-​mē-​ə \

Medical Definition of hyperprothrombinemia 

: an excess of prothrombin in the blood

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