hypohistidinemia

hy·po·his·ti·di·ne·mia or chiefly Brit hy·po·his·ti·di·nae·mia -.his-tə-də-'nē-mē-ə n a low concentration of histidine in the blood that is characteristic of rheumatoid arthritis

hy·po·his·ti·di·ne·mic or chiefly Brit hy·po·his·ti·di·nae·mic -'nē-mik adj