from a subject a step for comparing the measured value with a cut off value and a step for selecting a patient as the patient to be given the drug for the treatment of septicemia when the measured value of the sample of that patient is positive in comparison to the cut off value the present invention makes it possible to provide a drug to be given to a specific patient to treat septicemia the mode of action of which is to interrupt toll like receptor 4 derived intracellular signaling and to appropriately select the patient to be given the drug and the administration timing or dose application_number US 201213978442 A description the present invention provides a method for selecting a patient to be administered a therapeutic agent for sepsis having an action mechanism that inhibits occurrence of tlr4 derived intracellular signaling a method for determining a timing for administering the therapeutic agent for sepsis and a method for setting a dosage of the therapeutic agent for sepsis the therapeutic agent for sepsis having an action mechanism that inhibits occurrence of tlr4 derived intracellular signaling is a substance having an activity to inhibit at least one stage selected from the group consisting of a stage where lps binds to.