邪在血分证(syndrome/pattern of pathogenic factors in the blood phase),中医证候名,属外邪侵入证类,因温热病邪深入血分,耗血伤阴,或动风、动血所致。临床以低热、烦热,或身热夜甚,谵妄、躁扰,手足搐搦,斑疹紫黑,吐血、衄血,舌质深绛等为特征的证候。[1]