Micek et al listed criteria for when a patient is immunosuppressed. These can help to identify a patient at risk for infection. The authors are from Barnes-Jewish Hospital and Washington University in St. Louis.
Factors associated with immunosuppression:
(1) daily corticosteroid therapy >= 5 mg of prednisone or its equivalent
(2) infection with human immunodeficiency virus (HIV)
(3) solid organ or bone marrow transplant
(4) chemoradiation for underlying malignancy in past 6 months