Multicenter Study of Surveillance for Hospital-Onset <i>Clostridium difficile</i> Infection by the Use of <i>ICD-9-CM</i> Diagnosis Codes

Abstract

Although the ICD-9-CM code for CDI seems to be adequate for measuring the overall CDI burden, use of the ICD-9-CM discharge diagnosis code for CDI, without present-on-admission code assignment, is not an acceptable surrogate for surveillance for hospital-onset CDI.