Electronic health record problem lists: accurate enough for risk adjustment?

To determine whether comorbidity information derived from electronic health record (EHR) problem lists is accurate.Retrospective cohort study of 1596 men diagnosed with prostate cancer between 1998 and 2004 at 2 Southern California Veterans Affairs Medical Centers with long-term follow-up.We compared EHR problem list-based comorbidity assessment with manual review of EHR free-text notes in terms of sensitivity and specificity for identification...