Validation of diagnosis codes to identify side of colon in an electronic health record registry
Published 15 November 2019 ICD codes are a highly reliable indicator of tumor location when the specific location code is entered in the EHR. However, non-specific side of colon ICD codes are present for a sizable minority of patients, and structured data alone may not be adequate to support testing of some research hypotheses. New publication in BMC Medical Research Methodology
https://www.lupop.lu.se/article/validation-diagnosis-codes-identify-side-colon-electronic-health-record-registry - 2025-04-06