Minimizing unnecessary proBNP blood tests: an evaluation of a pop-up form implementation in general practice.

Objective: To evaluate the impact of a compulsory pop-up form on the ordering pattern of proBNP blood tests by general practitioners in the Capital Region of Denmark.

Design: A follow-up study comparing the average number of proBNP tests ordered before and after the implementation of an intervention.

Setting And Subjects: From 2016 to 2021, the average number of proBNP tests increased by over 300%.