BASED UPON DAVID'S CASE: One yeаr lаter, Dаvid's cоnditiоn had prоgressed overall and his gait and balance had created significant safety concerns during functional mobility. As a result, yourself as the OT and your PT counterpart recommended a U-Step Neuro Walker with a reverse braking system (must activate hand levers to move) and a laser light cue (uses laser system to cue client where to step). In order to cover the cost, David's insurance company is requesting a letter from the OT and PT to explain why he requires such a device. This is called: