Why the 8-Minute Rule Matters in PT Billing If you are running a physical therapy clinic, you know that every minute of patient care matters. But when it comes to medicare billing, those minutes matter in a very specific way. The 8-minute rule decides how therapists bill for their time and following it correctly keeps your clinic compliant and your payments accurate. Think of it as a small rule with a big impact. It guides how much you can bill based on how long you actually spend with each p...