Hi AODTC! Great question. Actually, the Medicare LCD states that if an appliance used that is not PDAC cleared for E0486, instead of using HCPCS code E0486 you should code is as A9270, which stands for: Non-covered item or service Here is the language from the LCD: “All custom fabricated mandibular advancement devices that have not received a written PDAC Verification Review must use HCPCS code A9270 (NON-COVERED ITEM OR SERVICE)” Hope this helps!