The 8-minute rule therapy is a standard used in rehabilitation services like physical, occupational, and speech therapy to calculate billable time for treatments. It means that if a therapist provides at least 8 minutes of a timed procedure, it can be billed as one unit. The time is then grouped into ranges, so 8–22 minutes counts as one unit, 23–37 minutes as two units, and so on. This system ensures fair and consistent billing practices while linking reimbursement directly to the actual therapy time delivered to the patient.