In this subchapter:
(1) "Health insurance policy" means a policy, contract, or agreement described by Section 1451.102.
(2) "Insured" means an individual who is issued, is a party to, or is a beneficiary under a health insurance policy.
(3) "Insurer" means an insurer, association, or organization described by Section 1451.102.
(4) "Nurse first assistant" has the meaning assigned by Section 301.1525, Occupations Code.