definiens: shall mean any product or service that:1.29.1 identifies a person having a disease or condition, or a molecular genotype or phenotype that predisposes a person to suchdisease or condition, for which a Collaboration Product could be used to treat and/or prevent such disease or condition ; 41.29.2 defines the prognosis or monitors the progress of a disease or condition in a person for which a Collaboration Productcould be used to treat and/or prevent such disease or condition;1.29.3 is used to select a therapeutic or prophylactic regimen, wherein at least one ( 1 ) potential therapeutic or prophylacticregimen involves a Collaboration Product, and where the selected regimen is determined, based on the use of such product or service, tolikely be effective and/or to be safe for a person ; and / or1.29.4 is used to confirm a Collaboration Product ’s biological activity, model, establish pharmacokinetic and pharmacodynamicsrelationships, and/or to optimize dosing or the scheduled administration of a Collaboration Product