T
TAR Treatment Authorization Request. An authorization number given by insurance companies prior to treatment.
Taxonomy Code Specialty standard codes used to indicate a provider’s specialty sometimes required to process a claim.
Term Date Date the insurance contract expired or the date a subscriber or dependent ceases to be eligible.
Tertiary Insurance Claim Claim for insurance coverage paid in addition to primary and secondary insurance.
Third Party Administrator (TPA) An independent entity who administers group benefits, claims and administration for a self-insured company.
TIN Tax Identification Number. Also known as Employer Identification Number (EIN).
TOP Triple Option Plan. An insurance plan which offers the enrolled a choice of a traditional plan, an HMO, or a PPO.
TOS Type of Service. Description of the category of service performed.
TRICARE Federal health insurance for active duty military, National Guard and Reserve, retirees, their families, and survivors.