Improving allergy documentation: a retrospective electronic health record system-wide patient safety initiative.

Despite the introduction of computerized provider order entry into electronic health records, providers still frequently use free-text fields to communicate important information which introduces a patient safety risk. One healthcare system searched allergy-related free-text fields, identifying more than 242,000 entries. Approximately 131,000 were manually or automatically remediated (e.g., “latex from back brace” and “gloves” were coded “latex-natural rubber”).