| A CDS rule was developed to ensure that hospitalized inpatients receive deep vein thrombosis (DVT) prophylaxis. Providers receive a pop-up alert in the ordering system if no DVT prophylaxis was ordered. The rule scans the active order list to determine if an order for heparin exists, using an RxNorm identifier (RxCUI) for heparin injectable solution. Testing reveals the rule is not identifying some orders for heparin subcutaneous injection. After detailed review of the data, it is determined that the RxCUI used for heparin injectable solution is not used for heparin in a prefilled syringe. |
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