AHA Coding Clinic® for HCPCS - 2016 Issue 3; For Your Information
Modifiers 50, LT and RT: Alike but not the same
Much confusion exists between modifiers 50, Bilateral procedure, LT, Left side, and RT, Right side. It’s like looking at a set of twins and not really knowing who is who until you take a closer look and begin to see where the similarities end. Well, that is exactly how these modifiers can be distinguished from each other by taking a closer look at the procedure being performed and the appropriate reporting guidelines before appending these modifiers to the procedure code. The Center for Medicare & Medicaid Services (CMS) has stated that modifier 50 should be used to report...
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