P-40 YI Validation and Comparison of Algorithms to Identify Adult-Onset Inflammatory Bowel Disease Patients From Within Health Administrative Data

Health administrative databases can be used to track disease incidence, outcomes and care quality. Case validation is necessary to ensure accurate disease ascertainment using these databases. Disease-specific codes and algorithms (combinations of disease-specific health services codes) have been validated in various regions to identify adult-onset IBD. We previously validated an algorithm to identify pediatric-onset IBD and create the Ontario …