Third Party Administrator (TPA) - A professional organization hired to provide plan administration for client employees and their benefit plans. Typical duties include: processing claims, paying providers, and providing benefit & eligibility information. These are a few of the administrative duties that a TPA performs.

Transferable skills analysis (TSA) - An evaluation of an employee who has been disabled to determine employability and job placement potential, and to develop a vocational training plan.

Transitional return-to-work program - A program to enable employees who have been disabled to return to modified work with retraining options. The on-site program coordinates the efforts of company-based physical therapists, physicians, department supervisors, occupational health nurses, and supplier-provided disability management services.

Treating physician - The medical practitioner who has primary responsibility for the care of a claimant. Also known as attending physician