rule-out

rule-out

Clinical decision-making verb To eliminate as a serious diagnostic consideration, as in to 'rule out' the presence of acute MI; the term that has long had currency as a verb, but more recently has been popularized as a noun, as in a Pt–a 'rule out' whose medical condition is a diagnostic dilemma

rule-out

exclusion that reduces the number of possible diagnoses under investigation.
References in periodicals archive ?
Diagnostic rule-outs include bacterial (including Mycobacteriurn species), viral, or fungal infection, and neoplasia.