Texas Insurance Code - INS § 1501.257. Cost Containment

(1) utilization review of health care services, including review of the medical necessity of hospital and physician services;

(2) case management, including discharge planning and review of stays in hospitals or other health care facilities;

(3) selective contracting with hospitals, physicians, and other health care providers;

(4) reasonable benefit differentials applicable to health care providers that participate or do not participate in restricted network arrangements;

(5) precertification or preauthorization for certain covered services;  and

(6) coordination of benefits.