warm autoantibody

warm au·to·an·ti·bod·y

an autoantibody that reacts optimally at 37°C.
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References in periodicals archive ?
Likewise, an eluate may help elucidate the presence of a new warm autoantibody if a panagglutinin is detected, or if negative, may point to the possibility of drug-induced reactivity.
(23) Mixed-type AIHA may be overdiagnosed because a warm autoantibody can elevate the titer of clinically insignificant cold autoantibodies (23) (though in these cases the cold agglutinin would tend to be evident only at the lower thermal amplitudes such as <30[degrees]C).