What is physical therapy billing?
Physical therapy billing is the process of documenting, coding, and submitting claims to insurance providers to receive payment for physical therapy services. It ensures that physical therapists are reimbursed accurately for the treatments they provide while maintaining compliance with insurance and regulatory requirements. This process involves multiple steps, including service documentation, claim submission, payment reconciliation, and adherence to billing regulations.
A key aspect of physical therapy billing is using physical therapy billing units, which quantify the services performed during a session. These units fall into two categories: time-based units, billed according to the duration of therapy provided, and service-based units, which are assigned to specific treatments regardless of time spent. Understanding how to bill correctly using these units is essential for proper reimbursement.
To ensure accurate billing, Current Procedural Terminology (CPT) codes classify treatments provided in a physical therapy practice (American Medical Association, 2019). Each code corresponds to a specific procedure, allowing insurance companies to determine the appropriate reimbursement. Additionally, physical therapists working with Medicare must adhere to the 8-minute rule, which dictates how time-based units are billed. A therapist must provide at least eight minutes of service to bill for one unit, with additional units calculated based on total treatment time.






