Texas Insurance Code - INS § 1301.103. Deadline for Action on Clean Claims

(1) if the insurer determines the entire claim is payable, pay the total amount of the claim in accordance with the contract between the preferred provider and the insurer;

(2) if the insurer determines a portion of the claim is payable, pay the portion of the claim that is not in dispute and notify the preferred provider in writing why the remaining portion of the claim will not be paid;  or

(3) if the insurer determines that the claim is not payable, notify the preferred provider in writing why the claim will not be paid.