Intussusception Algorithm Defined in "Intussusception Risk After Rotavirus Vaccination in U.S. Infants (PRISM)"

This report lists International Classification of Diseases, Ninth Edition, Clinical Modification (ICD-9-CM) diagnosis codes and Current Procedural Terminology, Fourth Edition (CPT-4) and algorithms used to define intussusception in this request. 

 

For additional information about the algorithm and how it was defined relative to the cohort and exposures of interest in the inferential analysis, see the Modular Program reports here.