FibroScan Preparation Read and follow the instructions below to prepare for your scan or download a PDF copy. Download Prep Instructions QUESTIONS? Call directly at 614-683-9532 or our main line at 614-754-5500. Preparing for Your FibroScan Plan to be at the facility for about 20 minutes.Family members or guests cannot be in the room with you during this appointment. They may wait in the waiting area. 48 Hours Before Your FibroScan DO NOT drink alcohol. Day of Your FibroScan Wear comfortable, loose-fitting clothes like sweatpants and a t-shirt. Do not wear a dress.3 hours before your scan time – STOP eating or drinking anything except small amounts of water.A few minutes before your scan time – Arrive at the front desk on the 2nd floor. Bring your insurance card and a photo ID.